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

Diane Ashley Mar, MD

Individual provider Internal Medicine Physician · NPI 1356704795

Diane Ashley Mar, MD is a Rheumatology in Stanford, California. Graduated from University of Nevada School of Medicine in 2016, 10 years ago. Practices with County of Santa Clara, a 993-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
10
Trained at
University of Nevada School of Medicine
Licensed in
CA
In the registry since
2016
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-4000
Show map & directions

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

Additional practice locations (2)

  • 1000 Welch Rd Ste 203, Palo Alto, CA 94304-1808 — (999) 999-9999
  • 900 Blake Wilbur Dr, Palo Alto, CA 94304-2201 — (650) 723-6961

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence A161922 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A161922 (CA)

Record details

NPI number1356704795
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2016
Last updated in NPPESApril 15, 2024
Certification dateApril 15, 2024

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF NEVADA SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice County Of Santa Clara — 993 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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