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

John M. Zeroogian, MD

Individual provider Gastroenterology Physician · NPI 1437149226

John M. Zeroogian, MD is a Gastroenterology in Pasadena, California. Qualified in 1989, 37 years ago. Practices with Genesis Healthcare Partners PC, a 220-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut and Massachusetts.

Years since qualifying
37
Licensed in
CT, MA
In the registry since
2005
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

630 S Raymond Ave Unit 240
Pasadena, CA 91105-3283
Phone: (626) 449-9920
Fax: (626) 578-7366
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 73813 (MA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 033771 (CT)

Record details

NPI number1437149226
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 24, 2005
Last updated in NPPESJanuary 28, 2020
Certification dateJanuary 28, 2020
Mailing address630 S Raymond Ave Unit 240, Pasadena, CA 91105-3283

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Genesis Healthcare Partners Pc — 220 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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