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

Dr. Gretchen Eileen Winter, PHD, DO

Individual provider Internal Medicine Physician · NPI 1558640953

Dr. Gretchen Eileen Winter, PHD, DO is a Hospitalist in Templeton, California. Graduated from Western University of Health Sciences College of Dental Med in 2010, 16 years ago. Practices with Galen Inpatient Physicians PC, a 1,031-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
16
Trained at
Western University of Health Sciences College of Dental Med
Licensed in
CA
In the registry since
2011
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1100 Las Tablas Rd
Templeton, CA 93465-9704
Phone: (804) 434-4706
Show map & directions

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

Additional practice locations (1)

  • 2120 Golden Hill Rd Ste 102, Paso Robles, CA 93446-7048 — (805) 434-2900

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 20A12705 (CA)

Record details

NPI number1558640953
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , DO
Sole proprietorNo
NPI enumeratedAugust 16, 2011
Last updated in NPPESJune 24, 2026
Certification dateJune 24, 2026
Mailing address159 Earthwood Ln, San Luis Obispo, CA 93401-9108

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolWESTERN UNIVERSITY OF HEALTH SCIENCES COLLEGE OF DENTAL MED
Graduated 2010 (16 years in practice)
Group practice Galen Inpatient Physicians Pc — 1031 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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