PROHEALTH PARTNERS A MEDICAL GROUP INC
NPI 1023141124
Internal Medicine in Long Beach, CA

Active since March 14, 2007CLIA 05D0935104 · Waiver
911 E SAN ANTONIO DR, SUITE 6, LONG BEACH, CA 90807(562) 423-6441(562) 422-1301 Get Directions Write a Review

NPPES record last updated: September 4, 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 1023141124) is a healthcare organization registered as an internal medicine in Long Beach, California and active in the NPI registry since March 2007. The organization holds a CLIA Waiver certificate valid through October 20, 2027 and lists Peter Ferrera, President, as its authorized official.

NPPES Registry Identity

NPI1023141124
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePROHEALTH PARTNERS A MEDICAL GROUP INC
Location Address911 E SAN ANTONIO DR, SUITE 6Long Beach, CA 90807-2204
Mailing Address911 E San Antonio Dr Ste 6Long Beach, CA 90807-2204 · (562) 423-6441
Fax(562) 422-1301
Organization SubpartNo
Authorized OfficialPeter FerreraPresident · (562) 299-5200
Enumeration DateMarch 14, 2007
Last NPPES UpdateSeptember 4, 2025
NPPES CertifiedSeptember 4, 2025
✔ NPI 1023141124 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.
911 E SAN ANTONIO DR, Long Beach, CA 90807

Other Identifiers 2

OtherZZZ47082ZCA · Blue Shield Group Number
MedicaidGR0064152CA

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, 3 practice at this address and 168 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
Family Practice
NPI 1811920424
911 E SAN ANTONIO DR SUITE 4
Long Beach, CA 90807
(562) 728-8700
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1669494001
911 E SAN ANTONIO DR SUITE 6
Long Beach, CA 90807
(562) 423-6441
✔ PECOS✔ Accepts MedicareSame address
Podiatry
NPI 1518205012
901 E SAN ANTONIO DR
Long Beach, CA 90807
(562) 774-3668
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1548372634
4401 ATLANTIC AVE SUITE 202
Long Beach, CA 90807
(562) 988-2777
✔ PECOS✔ Accepts Medicare0.2 mi
Clinical Social Worker
NPI 1760046296
3711 LONG BEACH BLVD # 4740
Long Beach, CA 90807
(562) 221-6999
✔ PECOS1.0 mi
Internal Medicine
NPI 1972919355
3610 ATLANTIC AVE
Long Beach, CA 90807
(562) 424-8814
✔ PECOS✔ Accepts Medicare1.1 mi
Obstetrics/Gynecology
NPI 1649391954
2865 ATLANTIC AVE SUITE 110
Long Beach, CA 90806
(562) 933-0590
✔ PECOS✔ Accepts Medicare2.0 mi
Nephrology
NPI 1710140561
2888 LONG BEACH BLVD STE 235
Long Beach, CA 90806
(562) 424-4447
✔ PECOS✔ Accepts Medicare2.0 mi
General Surgery
NPI 1194822262
2888 LONG BEACH BLVD STE 125
Long Beach, CA 90806
(562) 933-3136
✔ PECOS✔ Accepts Medicare2.1 mi
Orthopedic Surgery
NPI 1700837457
2888 LONG BEACH BLVD STE 125
Long Beach, CA 90806
(562) 933-3136
✔ PECOS✔ Accepts Medicare2.1 mi
Nurse Practitioner
NPI 1003416363
701 E 28TH ST STE 301
Long Beach, CA 90806
(562) 269-0300
✔ PECOS✔ Accepts Medicare2.1 mi
Rheumatology
NPI 1720006729
2840 LONG BEACH BLVD STE 365
Long Beach, CA 90806
(562) 989-2374
✔ PECOS✔ Accepts Medicare2.1 mi
Cardiovascular Disease (Cardiology)
NPI 1326493438
3828 SCHAUFELE AVE STE 250
Long Beach, CA 90808
(657) 241-8990
✔ PECOS✔ Accepts Medicare2.2 mi
Urology
NPI 1851717151
2701 ATLANTIC AVE
Long Beach, CA 90806
(714) 377-6993
✔ PECOS2.2 mi
Gastroenterology
NPI 1538664016
2801 ATLANTIC AVE
Long Beach, CA 90806
(732) 693-2621
✔ PECOS✔ Accepts Medicare2.2 mi
Vascular Surgery
NPI 1548316185
2801 ATLANTIC AVE
Long Beach, CA 90806
(562) 933-8765
✔ PECOS✔ Accepts Medicare2.2 mi
Hepatology
NPI 1538265830
5750 DOWNEY AVE STE 202
Lakewood, CA 90712
(562) 634-4939
✔ PECOS✔ Accepts Medicare2.3 mi
Family Practice
NPI 1851618151
5750 DOWNEY AVE STE 100
Lakewood, CA 90712
(562) 630-3105
✔ PECOS✔ Accepts Medicare2.3 mi
Dermatology
NPI 1437180320
5750 DOWNEY AVE SUITE 100
Lakewood, CA 90712
(562) 630-3105
✔ PECOS✔ Accepts Medicare2.4 mi
Hematology/Oncology
NPI 1861463606
3650 SOUTH ST 212
Lakewood, CA 90712
(562) 272-7630
✔ PECOS✔ Accepts Medicare2.4 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 05D0935104

Prohealth Partners, A Medical Grp, Inc · Long Beach, CA
Active · expires Oct 20, 2027
CLIA Number05D0935104
Laboratory TypePhysician Office
Certificate Effective DateOctober 21, 2025
Certificate Expiration DateOctober 20, 2027
Laboratory DirectorSteven J. Lake MD
Laboratory Phone(562) 423-6441
Laboratory LocationProhealth Partners, A Medical Grp, Inc911 E San Antonio Drive, #6, Long Beach, CA 90807
CLIA data matches this NPI record on: Address 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 1023141124. It was assigned to this organization in the NPPES registry on March 14, 2007.

Where is Prohealth Partners A Medical Group Inc located?

Prohealth Partners A Medical Group Inc is located at 911 E San Antonio Dr Suite 6, Long Beach, CA 90807. The listed phone number is (562) 423-6441.

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, 3 practice at this address and 168 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 05D0935104) is associated with this NPI, valid through October 20, 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 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.