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Katrina L. Rathjen

Katrina L. Rathjen, DO

Internal Medicine

Online Booking
Video Visit
Need help scheduling? Call 702-233-8855

Highlights

Age Groups Seen

  • Older Adult >65

Gender

Female

About Katrina L. Rathjen

About The Provider

Dr. Katrina Rathjen graduated Magna Cum Laude from the University of Texas at San Antonio with a Bachelor of Arts in Anthropology. She earned her Doctor of Osteopathic Medicine from Kansas City University of Medicine and Biosciences. Dr. Rathjen completed an Internal Medicine Residency with HCA Corpus Christi Medical Center and a Geriatric Fellowship with John Peter Smith Hospital in Fort Worth. Board-certified, she is dedicated to elder healthcare. As a provider, Dr. Rathjen takes special pride in assisting patients with dementia and working with caregivers to navigate this diagnosis.

Dr. Rathjen enjoys the outdoors when not working, especially hiking, kayaking, and swimming.

Provider ID numbers for broker/agent use
Alignment: 1316434293
Anthem: 1316434293
Humana: 401244G
SCAN: 476949
Select Health: Katrina Rathjen
United: 40008252

Locations

  1. Buffalo Clinic - Senior Primary Care
    • 1700 North Buffalo Drive, Suite 100, Las Vegas, NV 89128
    • Get Directions
    • Phone: 702-233-8855
    • Fax: 702-952-3548

Expertise

Education

  • Fellowship: John Peter Smith Hospital, Geriatric Medicine, 2022
  • Residency: Corpus Christi Medical Center-Doctor's Regional, Internal Medicine, 2021
  • Medical School: Kansas City University of Medicine & Biosciences, 2018

Board Certifications

  • Geriatric Medicine: American Board of Internal Medicine, 2022
  • Internal Medicine: American Board of Internal Medicine, 2021

Ratings & Reviews

4.9 out of 5

523 ratings, 92 reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Search reviews
    5 out of 5 stars
    Reviewed on 6/27/2026

    Even though it was the first time to see her, I already feel very comfortable with her.

    5 out of 5 stars
    Reviewed on 6/26/2026

    Dr. Rathjen asked me the right questions. She listened to my concerns and offered suggestions that made sense to me. She didn't rush me. She listened carefully. I'll be happy to follow up with her.

    5 out of 5 stars
    Reviewed on 6/24/2026

    Competent and kind

    5 out of 5 stars
    Reviewed on 6/21/2026

    she is very understanding. Explains things in clearly.

    4 out of 5 stars
    Reviewed on 6/20/2026

    Very knowledgeable, easy to talk with

    5 out of 5 stars
    Reviewed on 6/19/2026

    She’s a good doctor. She is always listening to my needs and helps me to get better.

    5 out of 5 stars
    Reviewed on 6/19/2026

    Very good doctor! Knowledgeable. Understanding.

    5 out of 5 stars
    Reviewed on 6/16/2026

    My doctor listens to my needs

    4 out of 5 stars
    Reviewed on 6/14/2026

    Very good

    5 out of 5 stars
    Reviewed on 6/11/2026

    She was very easy to talk to and explained things in an understanding way.

    5 out of 5 stars
    Reviewed on 6/8/2026

    Dr. Rathen has been kindly advising me.

    5 out of 5 stars
    Reviewed on 6/5/2026

    I like that she is skilled in Senior care. So many will tell you that you are just getting older. She seems interested in your all over health and dedicated enough to find solutions and answer questions. I have been very impressed with her responses!

    5 out of 5 stars
    Reviewed on 6/5/2026

    Dr Rathjen is the best doctor I’ve ever had in my life. I will definitely recommend her to everyone.

    5 out of 5 stars
    Reviewed on 6/3/2026

    She takes her time explaining the information for my Labs, and joins in the conversation regarding issues and questions I have. Doesn't rush the appointment...and believe I had plenty of the over the last 25 years here in Las Vegas

    5 out of 5 stars
    Reviewed on 6/1/2026

    She is competent and courteous. Can't get much better.

    5 out of 5 stars
    Reviewed on 5/31/2026

    She's professional, knowledgeable, caring, excellent listener, personable and likeable.

    5 out of 5 stars
    Reviewed on 5/31/2026

    Very knowledgeable

    5 out of 5 stars
    Reviewed on 5/30/2026

    My dr is wonderful

    5 out of 5 stars
    Reviewed on 5/29/2026

    SHE IS THE BEST DOCTOR I have ever had at your Intermountain Clinic at the Buffalo location!

    5 out of 5 stars
    Reviewed on 5/28/2026

    I am grateful and I feel relaxed

    5 out of 5 stars
    Reviewed on 5/26/2026

    Awesome Doctor

    5 out of 5 stars
    Reviewed on 5/22/2026

    Very friendly and approachable

    5 out of 5 stars
    Reviewed on 5/21/2026

    Competent and polite

    5 out of 5 stars
    Reviewed on 5/21/2026

    She listens!!

    5 out of 5 stars
    Reviewed on 5/18/2026

    Very attenivje

    5 out of 5 stars
    Reviewed on 5/17/2026

    Dr Rathjen is very caring, very calm, takes the time to explain things thoroughly, always asks if you have any questions. Just a super person and very caring.

    5 out of 5 stars
    Reviewed on 5/15/2026

    A very serious doctor and is concerned about my health

    5 out of 5 stars
    Reviewed on 5/10/2026

    I’m grateful to have such a caring and thorough doctor.

  • No RatingReviewed on 4/27/2026

    She put my referrals through stat which previous doctor didn't do. Dr rathjen took her time with me explaining and ordered PET scan due to the nodules on my lungs or size and increased which should give us a better picture of what's going on in my body.

    5 out of 5 stars
    Reviewed on 4/26/2026

    I appreciate her knowledge and professionalism.

    5 out of 5 stars
    Reviewed on 4/25/2026

    A very welcome, needed and extremely proficient doctor. Very efficient and honors my time, by taking me on time.

    5 out of 5 stars
    Reviewed on 4/21/2026

    I wish she had been my Doctor since I moved to Vegas 23 years ago...she is in THE KNOW as we say..Caring and has a Very Pleasant Personality

    4 out of 5 stars
    Reviewed on 4/15/2026

    She seems very capable.

    5 out of 5 stars
    Reviewed on 4/13/2026

    Most of all, I like that see took time to listen to my health concerns and provide provided resolution to find out about me. She asked “how can I help you with your health? I felt that she listened, came up with a plan, and actually had Eye to eye contact. A rarity these days, I was pleasantly surprised and very satisfied with my experience at Intermountain Health on my first visit.

    5 out of 5 stars
    Reviewed on 4/12/2026

    Just great.

    5 out of 5 stars
    Reviewed on 4/11/2026

    Very knowledgeable and caring doctor.

    5 out of 5 stars
    Reviewed on 3/31/2026

    SHE IS THE BEST DOCTOR OF ALL MY OTHER DOCTORS! GREAT JOB DOCTOR KATRINA RATHJEN DO SHE EXPLAINS EVERYTHING TO ME VERY CLEARLY. I UNDERSTAND HER VERY WELL!

    5 out of 5 stars
    Reviewed on 3/24/2026

    I tell everyone about her and tell my Senior friends and family to have her as their Primary Physician if they want a Doctor who truly cares about them

    5 out of 5 stars
    Reviewed on 3/18/2026

    Satisfied

    5 out of 5 stars
    Reviewed on 3/7/2026

    Knowledgeable. Great listener.

    5 out of 5 stars
    Reviewed on 3/6/2026

    Thanks

    5 out of 5 stars
    Reviewed on 3/5/2026

    GREAT DR..LOVE HER

    5 out of 5 stars
    Reviewed on 2/26/2026

    Excellent, enjoyable, easy to talk to and easy to receive understandable answers

    4 out of 5 stars
    Reviewed on 2/20/2026

    She showed concern

    5 out of 5 stars
    Reviewed on 2/19/2026

    Takes time to explain my issues

    5 out of 5 stars
    Reviewed on 2/19/2026

    Awesome 👍

    5 out of 5 stars
    Reviewed on 2/17/2026

    Dr. Rathjen explain to me about my concern of my health.

    5 out of 5 stars
    Reviewed on 2/16/2026

    looking forward to my next visit.

    5 out of 5 stars
    Reviewed on 2/14/2026

    My PC was not available and referred me to Dr Rathjen. She did not disappoint, she was everything my PC doctor said she is and more.

    5 out of 5 stars
    Reviewed on 2/13/2026

    Very successful!

    5 out of 5 stars
    Reviewed on 2/6/2026

    She was very helpful and I left understanding my health totals.

    5 out of 5 stars
    Reviewed on 2/3/2026

    She is awesome

    5 out of 5 stars
    Reviewed on 2/1/2026

    She treats me as a real person, and she cares.

    5 out of 5 stars
    Reviewed on 1/26/2026

    Dr.Katrina is definitely by Far one of the Professional and Informative Dr's I've ever Had She's definitely has my Vote 🗳! She's in my Opinion one of the best I've seen over the years!

    5 out of 5 stars
    Reviewed on 1/19/2026

    Doctor Rathjen listens and explains every thing so I can understand , she's comforting .

    5 out of 5 stars
    Reviewed on 1/18/2026

    She is amazing

    5 out of 5 stars
    Reviewed on 1/17/2026

    Very knowledgeable and explains in detail. Also love that she's a DO

    1 out of 5 stars
    Reviewed on 1/17/2026

    I’m a big man with a very loud deep voice. I asked her twice to lower her tone. She was actually hurting my ears to listen to her. I took all kinds of paper work with me for my visit. My complete history for over two years. She did not go over that with me at all.

    5 out of 5 stars
    Reviewed on 1/17/2026

    Dr. Rathjen take her time during our annual visit and focus to our health issues. Never rush but listen to during our enter action

    5 out of 5 stars
    Reviewed on 1/8/2026

    I’m just glad that I changed to her as my primary physician.

    5 out of 5 stars
    Reviewed on 12/24/2025

    She is very attentive, explains everything. Shows caring

    5 out of 5 stars
    Reviewed on 12/19/2025

    Dr. Rathjen is very attentive and always addresses our concerns. She is one of the best doctors we have had.

    5 out of 5 stars
    Reviewed on 12/7/2025

    I am very pleased with her

    5 out of 5 stars
    Reviewed on 11/24/2025

    Very satisfied

    5 out of 5 stars
    Reviewed on 11/20/2025

    She is sweet, understanding, knowledgeable and willing to help. Thank you Dr. Rathjen.

    5 out of 5 stars
    Reviewed on 11/17/2025

    Very thorough and empathetic explain in layman’s terms

    5 out of 5 stars
    Reviewed on 11/17/2025

    I loved her attention, she explained everything very well and answered my questions perfectly, just as I expected.

    5 out of 5 stars
    Reviewed on 11/15/2025

    Dr.Rathjin&Her Assistant Leslie are Phenomenal What Elsecan E Can I Say!

    4 out of 5 stars
    Reviewed on 11/14/2025

    She was great nothing she can do because I already take pain killer and urgent Care gave me muscle relaxers and a strong Ibuprofen that take but now my back just keeps hurting more and more I hate that somebody hit me in my back again especially in the place that it's most worth worse on that side it was hit on the right side and the right side is where all the pain comes from in my back you will have a nice day thank you

    5 out of 5 stars
    Reviewed on 11/9/2025

    She listens

    5 out of 5 stars
    Reviewed on 11/7/2025

    Excellent!!

    5 out of 5 stars
    Reviewed on 11/3/2025

    Excelente Dr.

    5 out of 5 stars
    Reviewed on 10/30/2025

    Dr Rathjen takes time explaining things to you and always asks if I have anymore concerns or questions.

    5 out of 5 stars
    Reviewed on 10/29/2025

    Very understanding. Knowledgeable. Friendly.

    5 out of 5 stars
    Reviewed on 10/25/2025

    MD very accommodating, not in a hurry w/ my care.

    5 out of 5 stars
    Reviewed on 10/23/2025

    Dr. Rathjen is a pleasant physician to speak with; makes sure the patient leaves the clinic with no questions unanswered.

    5 out of 5 stars
    Reviewed on 10/16/2025

    She is great she listens and is very knowledgeable I always feel like she cares and that is very important to me

    5 out of 5 stars
    Reviewed on 10/10/2025

    She is a very caring doctor. It was my first visit with her.

    4 out of 5 stars
    Reviewed on 10/2/2025

    Tried to be helpful

    5 out of 5 stars
    Reviewed on 10/1/2025

    Amazing Doctor ver y happy to have her as my physician

    5 out of 5 stars
    Reviewed on 9/29/2025

    Everything was great and excellent. Thank you.

    5 out of 5 stars
    Reviewed on 9/27/2025

    She explained in detail what test I needed. It was a terrific visit. She is AWESOME.

    5 out of 5 stars
    Reviewed on 9/24/2025

    She is truly a professional in her field. What I like the most is her she goes over my test results. She always comes up with goal that she knows I can obtain

    5 out of 5 stars
    Reviewed on 9/4/2025

    She is concern on my blood work. She make sure I get the care I need. Easy to talk to. And she does explain to me in detail about my blood work .

    5 out of 5 stars
    Reviewed on 9/2/2025

    She kind, understanding and compassionate

    5 out of 5 stars
    Reviewed on 9/2/2025

    I like her a lot

    5 out of 5 stars
    Reviewed on 8/30/2025

    Medical knowledge that I personally have or will have was over the top. Diagnosed four medical conditions in less than 1/2 hour totally remarkable.

    5 out of 5 stars
    Reviewed on 8/29/2025

    Very good

    5 out of 5 stars
    Reviewed on 8/28/2025

    Excellent manner. Very knowledgeable.

    5 out of 5 stars
    Reviewed on 8/23/2025

    She's Awesome 👍

    5 out of 5 stars
    Reviewed on 8/23/2025

    Dr Rathenau is an excellent Dr in her field. I will always trust my life with her.

    5 out of 5 stars
    Reviewed on 8/23/2025

    a very good doctor. Listens, understands. patient.