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

Dr. Mark Harold Kogan, MD

Individual provider Gastroenterology Physician · NPI 1780690313

Dr. Mark Harold Kogan, MD is a Gastroenterology in San Pablo, California. Graduated from Northwestern University Feinberg Medical School in 1980, 46 years ago. Practices with Ridgecrest Regional Hospital, a 94-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
46
Trained at
Northwestern University Feinberg Medical School
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

2089 Vale Rd Ste 33
San Pablo, CA 94806-3847
Phone: (510) 234-5012
Fax: (510) 234-4921
Show map & directions

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

Additional practice locations (1)

  • 2450 Ashby Ave, Berkeley, CA 94705-2067 — (510) 204-4444

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G60809 (CA)

Record details

NPI number1780690313
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 1, 2006
Last updated in NPPESMarch 11, 2025
Certification dateMarch 11, 2025
Mailing address2089 Vale Rd, Suite 33, San Pablo, CA 94806-3847

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1980 (46 years in practice)
Group practice Ridgecrest Regional Hospital — 94 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

Other providers in San Pablo