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

Stephen M. Rich, MD

Individual provider Internal Medicine Physician · NPI 1730263716

Stephen M. Rich, MD is an Internal Medicine in Windsor, California. Graduated from Boston University School of Medicine in 1978, 48 years ago. Practices with Alliance Medical Center, a 43-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
48
Trained at
Boston University School of Medicine
Licensed in
CA
In the registry since
2006
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

8465 Old Redwood Hwy Ste 320
Windsor, CA 95492
Phone: (707) 433-5494
Fax: (707) 837-0119
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G40922 (CA)

Record details

NPI number1730263716
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 25, 2006
Last updated in NPPESSeptember 10, 2018
Mailing address8465 Old Redwood Hwy Ste 320, Windsor, CA 95492-9244

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1978 (48 years in practice)
Group practice Alliance Medical Center — 43 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount