• Hours
  • Physician Assistants
  • Physicals or Preventive Care
  • Notice for Inpatient Hospital Care
  • New Billing Policy September 2016
  • Patient Survey
  • Dr. Rudy Mueller seeing patients at Jamestown VA Clinic
  • GLPP
Jamestown Primary Care offers extended hours for the convenience of our patients! On Monday mornings we open at 7 am. If you get the answering service early in the mornng please ask to be put through to our staff, we will be Read More
  Physician assistants are highly qualified health care professionals trained in the medical model and licensed to practice medicine as part of a multidisciplinary health care team.  Physician assistants are certified by the National Commission on Certification of Physician Assistants Read More
Preventive Care Please schedule an appointment for you and for your family's preventive care visits. Annual health screening visits are crucial to the prevention of chronic disease or early detection of chronic disease. Take the time to do something good Read More
Notice to patients regarding Inpatient Hospital Care: We have decided to entrust the care of our patients who require hospitalization to the hospitalists on staff at WCA hospital. During our time working in the hospital, these hospitalist physicians have worked alongside Read More
Patient Policy re: Payment due at the time of service. Many insurance plans have high deductibles and we will attempt to verify your insurance eligibility and coverage before your visit as often as we can. We expect full payment of Read More
    Attention Patients!Please take our survey...   We value your feedback regarding our services and invite you to fill out our survey. Our Mission at Jamestown Primary Care is to provide high quality service and promote wellness. Please follow Read More
April 2018 Jamestown Primary Care (JPC) wishes to announce that Dr. Rudy Mueller will be leaving the group to pursue an opportunity at the Jamestown VA clinic on Third St. in Jamestown as the Medical Director to serve our veterans. Read More

Welcome to Jamestown Primary Care

We welcome you and your family to our practice and want to make your experience with us as pleasant as possible. Our website is here to help you understand the policies and procedures regarding appointments, prescriptions, referrals, billing and more.
Call us with any questions or to make an appointment at (716) 483-6700.
Click here to see our hours of operation and holiday schedule.

Family Practice

  • Catherine Powers, MD

    Catherine Powers, MD

    Dr. Powers earned her B.S. in Pre-Med from the University of Dayton and her M.D. from the Wright State School of Medicine in Ohio. Her residency training took place at Grand Rapids Family Practice in Michigan. She is originally from Mayville, NY and decided to move back to Western New York in 2005. Dr. Powers is board certified in Family Medicine since 1995.

  • Diane Mueller

    Diane Mueller

    Dr. Diane Mueller completed BS/MS degrees in Biomedical Engineering at Case Western Reserve University in Cleveland prior to attending Medical School at Rush University in Chicago. She is Board Certified in Family Practice. She has lived in Lakewood since 1992 with her husband, Dr.Rudy Mueller, and their 5 children.

  • Wolf-Dieter Krahn, MD

    Wolf-Dieter Krahn, MD

    Dr. Krahn attended Albany Medical College in Albany, NY and received his Medical Degree in 1982. Dr. Krahn is board certified in Family Medicine. He began working in Jamestown in 1987 by opening the Jamestown Medical Clinic. Dr. Krahn is one of the founding physicians of Jamestown Primary Care, established in 1996.

  • Andrea M. Johnson, MD

    Andrea M. Johnson, MD

    Dr Johnson came back home to practice in Jamestown, NY, after completing her residency training in Family Practice at St Joseph's Hospital in Syracuse, NY in 1990. She received her Medical Degree from SUNY Health Science Center at Syracuse just prior to starting her residency. She has a Bachelor Degree in Biology from the University of Buffalo and an Associates Degree in Science from Jamestown Community College.

  • Patrick S. Collins, MD

    Patrick S. Collins, MD

    Dr. Collins earned his BS in Biology from Boston College and then returned to New York State to complete his Medical Degree at SUNY Syracuse and his residency training at SUNY Buffalo. He worked in Emergency Medicine from 1981-1986 before entering into private Family Practice here in Jamestown in 1986. Dr. Collins is board certified in Family Medicine. He was one of the founding partners of Jamestown Primary Care in 1996. He raised his family in Bemus Point. Dr. Collins and his wife, Karen,continue to reside in Bemus Point. They have 2 grown sons who have served in the U.S. Army.

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Internal Medicine

  • Rudolph J. Mueller

    Rudolph J. Mueller

    Dr. Mueller is board certified in Internal Medicine and Geriatrics. He graduated from The Ohio State University College of Medicine in 1982. After working in Chicago, Dr. Mueller came to Jamestown in 1992 with his wife, Dr. Diane Mueller and their family. They were two of the founding physicians of Jamestown Primary Care in 1996.

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Nurse Practitioners

  • Debra Daniels

    Debra Daniels

    Deb Daniels has been a Nurse Practitioner since 2001. Deb became a registered nurse in 1993 and continued her studies at the University of Pittsburgh at Bradford, Pa. to earn a BSN in 1999. She completed her studies as an Advanced Practice Nurse in 2001 with a Master of Science in Nursing from Gannon University in 2001. Deb is board certified as a family nurse practitioner with the ANCC, American Nursing Credentialing Center. Before coming to Jamestown Primary Care, she worked at the Charles Cole Memorial Hospital in Coudersport, Pa. and was a consultant nurse at the YMCA of Lakewood. Deb resides in Bemus Point with her husband and two children.

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Physician Assistant

  • Chelsey Gray

    Chelsey Gray

    Chelsey graduated from Eastern Virginia Medical School in 2010 with a degree in Master of Physician Assistant. She earned a Bachelor of Science in Biology and Kinesiology in 2007 from Shenandoah University in Virginia. Chelsey is certified by the National Commission on Certification of Physician Assistants (NCCPA). She joined Jamestown Primary Care in 2010 and resides in Warren, PA.

  • Susan Bentley

    Susan Bentley

    Susan is a native of Jamestown. She graduated from Arcadia University earning her Master of Science in Physician Assistant Studies in 2013. Her undergraduate degree was earned in 2011 from Bucknell University where she studied Biology and English. Susan has passed the rigorous board certification in Physician Assistant Studies and is prepared and ready to see patients.

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  • Kathy Stanton

    Kathy Stanton

    Kathy has been a Medical Group Manager since 1988. She is originally from Philadelphia and moved to Chautauqua County in 2001.  Kathy is a graduate of Rider University and received her MBA degree in Health Care Administration from St. Joseph's University in 1993. In 2012, Kathy passed the rigorous requirements to earn Certification as a Medical Practice Executive from the ACMPE of MGMA, Medical Group Management Association. Founded in 1956, the ACMPE is the board certification and standard setting body for the medical practice management profession, providing comprehensive certification, self-assessment and leadership development programs. Kathy joined Jamestown Primary Care in 2003.

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Jamestown Primary Care offers extended hours for the convenience of our patients!

On Monday mornings we open at 7 am. If you get the answering service early in the mornng please ask to be put through to our staff, we will be glad to help you.  

On Monday and Wednesday evening we stay open until 7 pm

We are open on Saturday mornings from 8 am until noon.

We hope this allows you to make & keep appointments with us without missing work or school. 

Jamestown Primary Care
Hours of Operation

Business Office Hours:

Monday- Thursday


8am-12pm 1pm-5pm

8am-12pm 1pm-4:30pm

In addition to these hours, patients may pick up orders, prescriptions, etc., between 7:30am and 8am and Between 12pm and 1pm, Monday through Friday. We are also open at 7 am on Monday.

After Hours:

Please Note: Even though the office is closed, there is a physician on call to address your medical concerns. Please make every effort to call during office hours for routine medical care. Please call (716)483-6700.


Martin Luther King Day
Good Friday
Easter Monday
Memorial Day
Independence Day
Labor Day
Thanksgiving Day
Thanksgiving Friday
Christmas Eve
Christmas Day
New Year's Eve
New Year's Day


March or April
March or April
July Fourth

December, if 24th falls on weekday
December, if 31st falls on weekday 
January 1st

Open 8 am -Noon
Open 8 am -Noon
Open 8 am -Noon
Open 8 am -Noon