PROHEALTH PARTNERS A MEDICAL GROUP INC
NPI 1619009677
Internal Medicine - Gastroenterology in Lakewood, CA

Q: What is Prohealth Partners A Medical Group Inc's specialty?

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

Active since March 12, 2007

5750 DOWNEY AVE STE 303, LAKEWOOD, CA 90712(562) 461-8584(562) 529-7800 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 4, 2025, Nov 1, 2017 (2 updates tracked since 2017).

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About Prohealth Partners A Medical Group Inc NPPES

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

PROHEALTH PARTNERS A MEDICAL GROUP INC (NPI 1619009677) is a healthcare organization registered as a gastroenterology in Lakewood, California and active in the NPI registry since March 2007. The organization lists Peter Ferrera, President, as its authorized official.

NPPES Registry Identity

NPI1619009677

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NamePROHEALTH PARTNERS A MEDICAL GROUP INC

Location Address5750 DOWNEY AVE STE 303Lakewood, CA 90712-1477

Mailing Address5750 Downey Ave Ste 303Lakewood, CA 90712-1477

Phone(562) 461-8584

Fax(562) 529-7800

Organization SubpartNo

Authorized OfficialPeter FerreraPresident · (562) 299-5200

Enumeration DateMarch 12, 2007

Last NPPES UpdateSeptember 4, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 4, 2025

✔ NPI 1619009677 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

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.

5750 DOWNEY AVE STE 303, Lakewood, CA 90712

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Other Identifiers 2

MedicaidGR0064158CA

OtherZZZ47092ZCA · Blue Shield Group Number

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Prohealth Partners A Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

278

Medicare enrollment records show 278 clinicians reassign Medicare billing to Prohealth Partners A Medical Group Inc, which bills Medicare for the services they deliver. Of these, 14 practice at this address and 164 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 38

Nurse Practitioner55

Internal Medicine50

Family Practice38

Nephrology18

Cardiovascular Disease (Cardiology)17

Obstetrics/Gynecology10

Gastroenterology7

Hospitalist6

30 other specialties77

Nearest to this location (20)

See all 278

Michael Castro, MD

Dermatology

NPI 1437180320

5750 DOWNEY AVE SUITE 100
Lakewood, CA 90712

(562) 630-3105

✔ PECOS✔ Accepts MedicareSame address

Cherie Garcia, MD

Internal Medicine

NPI 1497786396

5750 DOWNEY AVE SUITE 100
Lakewood, CA 90712

(562) 630-3105

✔ PECOS✔ Accepts MedicareSame address

Olga Ginzburg, MD

Internal Medicine

NPI 1891723482

5750 DOWNEY AVE SUITE 100
Lakewood, CA 90712

(562) 630-3105

✔ PECOS✔ Accepts MedicareSame address

Jose Pantoja, M.D.

Gastroenterology

NPI 1891721353

5750 DOWNEY AVE SUITE 202
Lakewood, CA 90712

(562) 634-4939

✔ PECOS✔ Accepts MedicareSame address

Mansoor Shah, MD

Internal Medicine

NPI 1962433706

5750 DOWNEY AVE SUITE 100
Lakewood, CA 90712

(562) 630-3105

✔ PECOS✔ Accepts MedicareSame address

Sherif Labatia, MD

Family Practice

NPI 1619165115

5750 DOWNEY AVE STE 206
Lakewood, CA 90712

(562) 384-3034

✔ PECOS✔ Accepts MedicareSame address

Marianne Mikhail, MD

Family Practice

NPI 1164743464

5750 DOWNEY AVE STE 206
Lakewood, CA 90712

(562) 384-3034

✔ PECOS✔ Accepts MedicareSame address

Conrad Cox, M.D.

Gastroenterology

NPI 1851338941

5750 DOWNEY AVE STE 303 ATTENTION: ANTOINETTE M. COX
Lakewood, CA 90712

(562) 461-8584

✔ PECOS✔ Accepts MedicareSame address

Scott Gordon, MD

Internal Medicine

NPI 1033140801

5750 DOWNEY AVE SUITE 100
Lakewood, CA 90712

(562) 630-3105

✔ PECOS✔ Accepts MedicareSame address

Kelsey Goodman, APRN, FNP-C

Nurse Practitioner

NPI 1790454833

5750 DOWNEY AVE STE 100
Lakewood, CA 90712

(562) 630-3105

✔ PECOSSame address

Lindsay Larson, D.O.

Family Practice

NPI 1851618151

5750 DOWNEY AVE STE 100
Lakewood, CA 90712

(562) 630-3105

✔ PECOS✔ Accepts MedicareSame address

Ivette Stickelmaier, MD

Family Practice

NPI 1962430579

5750 DOWNEY AVE SUITE 100
Lakewood, CA 90712

(562) 630-3105

✔ PECOS✔ Accepts MedicareSame address

Sam Abdelmelek, MD

Internal Medicine

NPI 1649414855

5750 DOWNEY AVE SUITE201
Lakewood, CA 90712

(562) 633-1616

✔ PECOS✔ Accepts MedicareSame address

Fariba Javadi, M.D.

Hepatology

NPI 1538265830

5750 DOWNEY AVE STE 202
Lakewood, CA 90712

(562) 634-4939

✔ PECOS✔ Accepts MedicareSame address

Neha Bhansali, M.D

Internal Medicine

NPI 1700923893

3650 SOUTH ST STE 403
Lakewood, CA 90712

(562) 531-0377

✔ PECOS✔ Accepts Medicare0.1 mi

Vinita Chaudhary, MD

Family Practice

NPI 1386679504

3650 EAST SOUTH STREET SUITE 210
Lakewood, CA 90712

(562) 630-0910

✔ PECOS✔ Accepts Medicare0.1 mi

William Madrid, M.D.

Cardiovascular Disease (Cardiology)

NPI 1467419366

3650 SOUTH ST STE 310
Lakewood, CA 90712

(562) 531-1980

✔ PECOS✔ Accepts Medicare0.1 mi

Raghu Nandan, M.D

Hematology/Oncology

NPI 1861463606

3650 SOUTH ST 212
Lakewood, CA 90712

(562) 272-7630

✔ PECOS✔ Accepts Medicare0.1 mi

Peyman Naji, M.D.

Interventional Cardiology

NPI 1720215429

3650 SOUTH ST STE 310
Lakewood, CA 90712

(562) 531-1980

✔ PECOS✔ Accepts Medicare0.1 mi

Kyaw Moe, MD

Nephrology

NPI 1083649735

3650 SOUTH ST SUITE 101
Lakewood, CA 90712

(562) 286-6466

✔ PECOS✔ Accepts Medicare0.1 mi

See all 278 clinicians

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

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 Prohealth Partners A Medical Group Inc's NPI number?

The NPI number for Prohealth Partners A Medical Group Inc is 1619009677. It was assigned to this organization in the NPPES registry on March 12, 2007.

Where is Prohealth Partners A Medical Group Inc located?

Prohealth Partners A Medical Group Inc is located at 5750 Downey Ave Ste 303, Lakewood, CA 90712. The listed phone number is (562) 461-8584.

What is Prohealth Partners A Medical Group Inc's specialty?

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

Is Prohealth Partners A Medical Group Inc enrolled in Medicare?

Yes. Prohealth Partners A Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Prohealth Partners A Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 278 clinicians in 38 Medicare specialties reassign their Medicare billing to Prohealth Partners A Medical Group Inc. A 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 the clinician's services. The largest specialties are Nurse Practitioner (55), Internal Medicine (50) and Family Practice (38). Of these, 14 practice at this address and 164 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Prohealth Partners A Medical Group Inc was last updated on September 4, 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.