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

Dr. John L Clothier, MD

Individual provider Sports Medicine (Family Medicine) Physician · NPI 1750431250

Dr. John L Clothier, MD is a Family Practice in San Rafael, California. Graduated from University of Arizona College of Medicine in 1993, 33 years ago. Practices with Regents Univ of California UCSF, a 272-clinician group, works from 2 locations and offers telehealth. Licensed in California.

Years since qualifying
33
Trained at
University of Arizona College of Medicine
Licensed in
CA
In the registry since
2007
Specialties on file
2
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

4000 Civic Center Dr Ste 206
San Rafael, CA 94903-5233
Phone: (415) 925-8865
Fax: (415) 446-0134
Show map & directions

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

Additional practice locations (1)

  • 335 S McDowell Blvd, Petaluma, CA 94954-3507 — (415) 925-8865

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G81579 (CA)
Sports Medicine (Family Medicine) Physician Taxonomy 207QS0010X · Licence G81579 (CA)

Record details

NPI number1750431250
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 10, 2007
Last updated in NPPESMarch 17, 2026
Certification dateMarch 17, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF ARIZONA COLLEGE OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Regents Univ Of California Ucsf — 272 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services