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PETER SULLIVAN MD
NPI 1538664016
Internal Medicine - Gastroenterology in Long Beach, CA

Active since March 27, 2018PECOS EnrolledAccepts Medicare Assignment
2801 ATLANTIC AVE, LONG BEACH, CA 90806(732) 693-2621 Get Directions Write a Review

NPPES record last updated: August 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 11, 2025, Jul 16, 2024, May 14, 2024 and 2 more (5 updates tracked since 2018).

About Peter Sullivan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PETER SULLIVAN MD (NPI 1538664016) is an individual gastroenterology provider in Long Beach, California, licensed in California (A201617) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1538664016
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NamePETER SULLIVANCredential: MD
Location Address2801 ATLANTIC AVELong Beach, CA 90806-1701
Mailing Address21010 Pacific City Cir Unit 1424Huntington Beach, CA 92648-8509 · (732) 693-2621
Phone(732) 693-2621
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 27, 2018
Last NPPES UpdateAugust 27, 20255 updates tracked since enumeration
NPPES CertifiedAugust 27, 2025
✔ NPI 1538664016 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · A201617
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
2801 ATLANTIC AVE, Long Beach, CA 90806
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Peter Sullivan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204183122
PECOS Enrollment IDI20250801002753
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Peter Sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Prohealth Partners A Medical Group Inc
Same address
Hospitalist
2801 ATLANTIC AVE
Long Beach, CA 90806
  • Reassigned Medicare billing, California enrollment
  • 279 clinicians in this Medicare group
NPI 1104215151 (562) 299-5239

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
28 services25 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
27 services25 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90806 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DAVID C KIM M.D.
Pediatrics (Neonatal-Perinatal Medicine)
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Los Angeles County (562) 933-8100
MRS. ELISHA MARIE MARTIN MSN, NP
Nurse Practitioner (Acute Care)
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Los Angeles County (310) 350-8902
MICHAEL A RAYA MD
Internal Medicine
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Los Angeles County (562) 426-3333
ELIZABETH MARY ZAAROUR
Physician Assistant
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Los Angeles County (562) 249-4575
LONG BEACH MEMORIAL MEDICAL
Pharmacy (Community/Retail Pharmacy)
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Los Angeles County (562) 933-0330
GLENN LEVINE M.D.
Pediatrics (Pediatric Critical Care Medicine)
2801 ATLANTIC AVE, 3RD FLOOR
LONG BEACH, CA 90806
Los Angeles County (562) 933-8743
DAVID KHOA CAO DO
Internal Medicine
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Los Angeles County (562) 426-3333
RICHARD ERIC SWENSSON MD
Pediatrics (Pediatric Cardiology)
2801 ATLANTIC AVE
LONG BEACH, CA 90806
Los Angeles County (562) 933-3350

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Peter Sullivan's NPI number?

The NPI number for Peter Sullivan is 1538664016. It was assigned to this individual provider in the NPPES registry on March 27, 2018.

Where is Peter Sullivan located?

Peter Sullivan practices at 2801 Atlantic Ave, Long Beach, CA 90806. The listed phone number is (732) 693-2621.

What is Peter Sullivan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Peter Sullivan enrolled in Medicare?

Yes. Peter Sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Peter Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Sullivan reassigns Medicare benefits to Prohealth Partners A Medical Group Inc (Long Beach, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Peter Sullivan was last updated on August 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.