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Katrina L. Rathjen

Katrina L. Rathjen, DO

Internal Medicine

Accepting New Patients
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

440 ratings, 66 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.

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

    Awesome 👍

    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.

    5 out of 5 stars
    Reviewed on 8/6/2025

    Accommodating to answer to my questions! Very pleasant n professional👏

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

    Once the problem was diagnosed she explained all of the medications that had been prescribed and then s arranging for physical therapy.

    3 out of 5 stars
    Reviewed on 8/2/2025

    I think she's a hurry for some reasons.... And I'm the first time patient to her, don't you sing she wants to know a little bit more about me,!!! I wish her all the best!!!

    5 out of 5 stars
    Reviewed on 7/31/2025

    She was not only knowledgeable and professional, she was also cordial, friendly, and reassuring

    5 out of 5 stars
    Reviewed on 7/29/2025

    She is great

    5 out of 5 stars
    Reviewed on 7/29/2025

    Her overall concern and care was great. She explained to me about everything I had a concern and things I didn't have a clue about. I left there happy feeling like I had more of a handle on my health.

    4 out of 5 stars
    Reviewed on 7/24/2025

    I'm just getting to know her. I believe our professional relationship will be good.

    5 out of 5 stars
    Reviewed on 7/22/2025

    She is great.

    5 out of 5 stars
    Reviewed on 7/19/2025

    She is kindly to her patient and answered every questions to me!

    5 out of 5 stars
    Reviewed on 7/19/2025

    Great

    5 out of 5 stars
    Reviewed on 7/6/2025

    Very good, just need a couple more prescriptions to be called in

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

    Good

    5 out of 5 stars
    Reviewed on 6/28/2025

    Very knowledgeable about My Situation…

    5 out of 5 stars
    Reviewed on 6/27/2025

    Concerning

    5 out of 5 stars
    Reviewed on 6/20/2025

    She did not talk down to me. Made sure I understood all results.

    5 out of 5 stars
    Reviewed on 6/13/2025

    Good

    5 out of 5 stars
    Reviewed on 6/8/2025

    She's Amazing ☺️

    5 out of 5 stars
    Reviewed on 5/31/2025

    She was excellent.

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

    I'm really happy she's really patience and really friendly

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

    He is a very nice person, he listens and provides very good and professional attention.

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

    She is a wonderful Dr.

    5 out of 5 stars
    Reviewed on 4/26/2025

    She gave me a shot. It was fine. She was pleasant.

    5 out of 5 stars
    Reviewed on 4/23/2025

    Dr. Rathjen, listens, helps, very knowledgeable.