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

Peter Sullivan, MD

Individual provider Gastroenterology Physician · NPI 1538664016

Peter Sullivan, MD is a Gastroenterology in Long Beach, California. Qualified in 2018, 8 years ago. Practices with Prohealth Partners, a Medical Group, a 234-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
8
Licensed in
CA
In the registry since
2018
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

2801 Atlantic Ave
Long Beach, CA 90806-1701
Phone: (732) 693-2621
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A201617 (CA)

Record details

NPI number1538664016
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2018
Last updated in NPPESAugust 27, 2025
Certification dateAugust 27, 2025
Mailing address21010 Pacific City Cir Unit 1424, Huntington Beach, CA 92648-8509

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Prohealth Partners, A Medical Group — 234 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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