Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Katherine Hardt Winter, MD

Individual provider Family Medicine Physician · NPI 1356631121

Katherine Hardt Winter, MD is a Family Practice in Pleasant Hill, California. Graduated from University of Florida College of Medicine in 2011, 15 years ago. Practices with John Muir Physician Network, a 486-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
15
Trained at
University of Florida College of Medicine
Licensed in
CA
In the registry since
2011
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

401 Gregory Ln Ste 104
Pleasant Hill, CA 94523
Phone: (925) 682-2401
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2023 Vale Rd, San Pablo, CA 94806-3834 — (925) 215-9092
  • 2023 Vale Rd, San Pablo, CA 94806-3834 — (925) 215-9092

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence FW4676649 (CA)

Record details

NPI number1356631121
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 14, 2011
Last updated in NPPESSeptember 26, 2019
Mailing address1450 Treat Blvd # 300, Walnut Creek, CA 94597-2168

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF FLORIDA COLLEGE OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice John Muir Physician Network — 486 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Pleasant Hill