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PROHEALTH PARTNERS, A MEDICAL GROUP
NPI 1023141736
Internal Medicine - Gastroenterology in Lakewood, CA

Active since March 13, 2007
5750 DOWNEY AVE STE 202, LAKEWOOD, CA 90712(562) 634-4939(562) 634-5809 Get Directions Write a Review

NPPES record last updated: August 17, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 17, 2020, Nov 9, 2017 (2 updates tracked since 2017).

About Prohealth Partners, A Medical Group NPPES

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

PROHEALTH PARTNERS, A MEDICAL GROUP (NPI 1023141736) is a healthcare organization registered as a gastroenterology in Lakewood, California and active in the NPI registry since March 2007. The organization lists Barry Steven Allswang, President, as its authorized official.

NPPES Registry Identity

NPI1023141736
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NamePROHEALTH PARTNERS, A MEDICAL GROUP
Location Address5750 DOWNEY AVE STE 202Lakewood, CA 90712-1470
Mailing Address5150 E Pacific Coast Hwy Ste 500Long Beach, CA 90804-3328 · (562) 299-5200 · Fax (562) 299-5294
Phone(562) 634-4939
Fax(562) 634-5809
Organization SubpartNo
Authorized OfficialBarry Steven AllswangPresident · (562) 299-5239
Enumeration DateMarch 13, 2007
Last NPPES UpdateAugust 17, 20202 updates tracked since enumeration
NPPES CertifiedAugust 17, 2020
✔ NPI 1023141736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ 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.
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedInternal Medicine · HepatologyTaxonomy 207RI0008X
5750 DOWNEY AVE STE 202, Lakewood, CA 90712
Open in Google Maps ↗

Other Identifiers 1

OtherZZZ13307ZCA · 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 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, 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
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
Scott Gordon, MD
Internal Medicine
NPI 1033140801
5750 DOWNEY AVE SUITE 100
Lakewood, CA 90712
(562) 630-3105
✔ 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
Sherif Labatia, MD
Family Practice
NPI 1619165115
5750 DOWNEY AVE STE 206
Lakewood, CA 90712
(562) 384-3034
✔ PECOS✔ Accepts MedicareSame address
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
Marianne Mikhail, MD
Family Practice
NPI 1164743464
5750 DOWNEY AVE STE 206
Lakewood, CA 90712
(562) 384-3034
✔ 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's NPI number?

The NPI number for Prohealth Partners, A Medical Group is 1023141736. It was assigned to this organization in the NPPES registry on March 13, 2007.

Where is Prohealth Partners, A Medical Group located?

Prohealth Partners, A Medical Group is located at 5750 Downey Ave Ste 202, Lakewood, CA 90712. The listed phone number is (562) 634-4939.

What is Prohealth Partners, A Medical Group'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 enrolled in Medicare?

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

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

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. 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 was last updated on August 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.