PROHEALTH PARTNERS A MEDICAL GROUP INC
NPI 1588969638
Internal Medicine in Long Beach, CA

Active since January 21, 2011CLIA 05D2022793 · Waiver
4401 ATLANTIC AVE, SUITE 202, LONG BEACH, CA 90807(562) 988-7777 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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 1588969638) is a healthcare organization registered as an internal medicine in Long Beach, California and active in the NPI registry since January 2011. The organization holds a CLIA Waiver certificate valid through April 7, 2027, maintains a secondary practice location in Long Beach, and lists Peter Ferrera, President, as its authorized official.

NPPES Registry Identity

NPI1588969638
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePROHEALTH PARTNERS A MEDICAL GROUP INC
Location Address4401 ATLANTIC AVE, SUITE 202Long Beach, CA 90807-2218
Mailing Address4401 Atlantic Ave Ste 202Long Beach, CA 90807-2252 · (562) 988-2777
Organization SubpartNo
Authorized OfficialPeter FerreraPresident · (562) 299-5200
Enumeration DateJanuary 21, 2011
Last NPPES UpdateSeptember 29, 2025
NPPES CertifiedSeptember 29, 2025
✔ NPI 1588969638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4401 ATLANTIC AVE, Long Beach, CA 90807

Secondary Practice Location 1

Location 11703 Termino Ave Ste 200Long Beach, CA 90804-2124 · Phone (562) 498-3002 · Fax (562) 498-3822

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, 1 practice at this address and 171 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
Internal Medicine
NPI 1548372634
4401 ATLANTIC AVE SUITE 202
Long Beach, CA 90807
(562) 988-2777
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1811920424
911 E SAN ANTONIO DR SUITE 4
Long Beach, CA 90807
(562) 728-8700
✔ PECOS✔ Accepts Medicare0.2 mi
Internal Medicine
NPI 1669494001
911 E SAN ANTONIO DR SUITE 6
Long Beach, CA 90807
(562) 423-6441
✔ PECOS✔ Accepts Medicare0.2 mi
Podiatry
NPI 1518205012
901 E SAN ANTONIO DR
Long Beach, CA 90807
(562) 774-3668
✔ PECOS✔ Accepts Medicare0.2 mi
Clinical Social Worker
NPI 1760046296
3711 LONG BEACH BLVD # 4740
Long Beach, CA 90807
(562) 221-6999
✔ PECOS0.9 mi
Internal Medicine
NPI 1972919355
3610 ATLANTIC AVE
Long Beach, CA 90807
(562) 424-8814
✔ PECOS✔ Accepts Medicare1.0 mi
Internal Medicine
NPI 1023449881
3610 ATLANTIC AVE
Long Beach, CA 90807
(562) 424-8814
✔ PECOS✔ Accepts Medicare1.0 mi
Internal Medicine
NPI 1134233158
3610 LONG BEACH BLVD SUITE 102
Long Beach, CA 90807
(562) 595-7784
✔ PECOS✔ Accepts Medicare1.0 mi
Obstetrics/Gynecology
NPI 1649391954
2865 ATLANTIC AVE SUITE 110
Long Beach, CA 90806
(562) 933-0590
✔ PECOS✔ Accepts Medicare1.9 mi
Nephrology
NPI 1710140561
2888 LONG BEACH BLVD STE 235
Long Beach, CA 90806
(562) 424-4447
✔ PECOS✔ Accepts Medicare1.9 mi
General Surgery
NPI 1194822262
2888 LONG BEACH BLVD STE 125
Long Beach, CA 90806
(562) 933-3136
✔ PECOS✔ Accepts Medicare1.9 mi
Orthopedic Surgery
NPI 1700837457
2888 LONG BEACH BLVD STE 125
Long Beach, CA 90806
(562) 933-3136
✔ PECOS✔ Accepts Medicare1.9 mi
Rheumatology
NPI 1720006729
2840 LONG BEACH BLVD STE 365
Long Beach, CA 90806
(562) 989-2374
✔ PECOS✔ Accepts Medicare2.0 mi
Nurse Practitioner
NPI 1174541171
2840 LONG BEACH BLVD STE 365
Long Beach, CA 90806
(562) 989-2374
✔ PECOS2.0 mi
Urology
NPI 1851717151
2701 ATLANTIC AVE
Long Beach, CA 90806
(714) 377-6993
✔ PECOS2.0 mi
Gastroenterology
NPI 1538664016
2801 ATLANTIC AVE
Long Beach, CA 90806
(732) 693-2621
✔ PECOS✔ Accepts Medicare2.0 mi
Vascular Surgery
NPI 1548316185
2801 ATLANTIC AVE
Long Beach, CA 90806
(562) 933-8765
✔ PECOS✔ Accepts Medicare2.0 mi
Cardiovascular Disease (Cardiology)
NPI 1326493438
3828 SCHAUFELE AVE STE 250
Long Beach, CA 90808
(657) 241-8990
✔ PECOS✔ Accepts Medicare2.3 mi
Hepatology
NPI 1538265830
5750 DOWNEY AVE STE 202
Lakewood, CA 90712
(562) 634-4939
✔ PECOS✔ Accepts Medicare2.5 mi
Family Practice
NPI 1851618151
5750 DOWNEY AVE STE 100
Lakewood, CA 90712
(562) 630-3105
✔ PECOS✔ Accepts Medicare2.5 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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2022793

Prohealth Partners, A Medical Group, Inc · Long Beach, CA
Active · expires Apr 7, 2027
CLIA Number05D2022793
Laboratory TypePhysician Office
Certificate Effective DateApril 8, 2025
Certificate Expiration DateApril 7, 2027
Laboratory DirectorArchna Chaudhary
Laboratory Phone(562) 988-2777
Laboratory LocationProhealth Partners, A Medical Group, Inc4401 Atlantic Ave Ste 202, Long Beach, CA 90807
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 1588969638. It was assigned to this organization in the NPPES registry on January 21, 2011.

Where is Prohealth Partners A Medical Group Inc located?

Prohealth Partners A Medical Group Inc is located at 4401 Atlantic Ave Suite 202, Long Beach, CA 90807. The listed phone number is (562) 988-7777.

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

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

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, 1 practice at this address and 171 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Prohealth Partners A Medical Group Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2022793) is associated with this NPI, valid through April 7, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Prohealth Partners A Medical Group Inc was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.