PROHEALTH PARTNERS A MEDICAL GROUP
NPI 1154453108
Internal Medicine in Long Beach, CA

Active since March 12, 2007CLIA 05D1000821 · Waiver
1760 TERMINO AVE STE 300, LONG BEACH, CA 90804(562) 961-9991(562) 951-9891 Get Directions Write a Review

NPPES record last updated: May 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 23, 2025, Apr 19, 2018 (2 updates tracked since 2018).

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 1154453108) 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 June 23, 2028, maintains a secondary practice location in Long Beach, and lists Barry Steven Allswang, President, as its authorized official.

NPPES Registry Identity

NPI1154453108
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePROHEALTH PARTNERS A MEDICAL GROUP
Location Address1760 TERMINO AVE STE 300Long Beach, CA 90804-2157
Mailing Address1777 N Bellflower Blvd Ste 201Long Beach, CA 90815-4020 · (562) 961-9991 · Fax (562) 961-9891
Fax(562) 951-9891
Organization SubpartNo
Authorized OfficialBarry Steven AllswangPresident · (562) 299-5200
Enumeration DateMarch 12, 2007
Last NPPES UpdateMay 23, 20252 updates tracked since enumeration
NPPES CertifiedMay 23, 2025
✔ NPI 1154453108 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.
1760 TERMINO AVE STE 300, Long Beach, CA 90804

Secondary Practice Location 1

Location 11777 N Bellflower Blvd Ste 201Long Beach, CA 90815-4020 · Phone (562) 961-9991 · Fax (562) 961-9891

Other Identifiers 2

MedicaidGR006415DCA
OtherZZZ52833ZCA · 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, 2 practice at this address and 162 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
General Surgery
NPI 1245673896
1760 TERMINO AVE STE G18
Long Beach, CA 90804
(562) 494-6700
✔ PECOS✔ Accepts MedicareSame address
Registered Dietitian or Nutrition Professional
NPI 1447652839
1760 TERMINO AVE STE 214
Long Beach, CA 90804
(562) 595-4718
✔ Accepts MedicareSame address
Hospitalist
NPI 1043233976
5150 E PACIFIC COAST HWY SUITE 500
Long Beach, CA 90804
(562) 491-9883
✔ PECOS✔ Accepts Medicare0.8 mi
Hospitalist
NPI 1811906753
2220 CLARK AVE
Long Beach, CA 90815
(562) 597-4181
✔ PECOS✔ Accepts Medicare0.9 mi
Internal Medicine
NPI 1255425146
1777 N BELLFLOWER BLVD STE 201
Long Beach, CA 90815
(562) 961-9991
✔ PECOS✔ Accepts Medicare1.2 mi
Family Practice
NPI 1487767604
1777 BELLFLOWER BLVD SUITE 104
Long Beach, CA 90815
(562) 961-8820
✔ PECOS✔ Accepts Medicare1.2 mi
Nurse Practitioner
NPI 1225406333
2110 N BELLFLOWER BLVD
Long Beach, CA 90815
(562) 346-2222
✔ PECOS1.2 mi
Neurology
NPI 1205827201
1045 ATLANTIC AVE STE 719
Long Beach, CA 90813
(562) 591-1324
✔ PECOS✔ Accepts Medicare2.4 mi
General Surgery
NPI 1386732915
1045 ATLANTIC AVE SUITE 1002
Long Beach, CA 90813
(562) 435-5511
✔ PECOS✔ Accepts Medicare2.4 mi
Cardiovascular Disease (Cardiology)
NPI 1245324201
1045 ATLANTIC AVE STE 611
Long Beach, CA 90813
(562) 432-0111
✔ PECOS✔ Accepts Medicare2.4 mi
Rheumatology
NPI 1790777449
6226 E SPRING ST 275
Long Beach, CA 90815
(562) 496-0546
✔ PECOS✔ Accepts Medicare2.5 mi
Orthopedic Surgery
NPI 1467554220
1040 ELM AVE SUITE 100
Long Beach, CA 90813
(562) 591-4444
✔ PECOS✔ Accepts Medicare2.5 mi
Infectious Disease
NPI 1316476484
1040 ELM AVE STE 303
Long Beach, CA 90813
(562) 684-2560
✔ PECOS✔ Accepts Medicare2.6 mi
Gastroenterology
NPI 1891934832
3833 WORSHAM AVE STE 300
Long Beach, CA 90808
(562) 595-5421
✔ PECOS✔ Accepts Medicare2.7 mi
Urology
NPI 1851717151
2701 ATLANTIC AVE
Long Beach, CA 90806
(714) 377-6993
✔ PECOS2.8 mi
Vascular Surgery
NPI 1548316185
2801 ATLANTIC AVE
Long Beach, CA 90806
(562) 933-8765
✔ PECOS✔ Accepts Medicare2.8 mi
Obstetrics/Gynecology
NPI 1649391954
2865 ATLANTIC AVE SUITE 110
Long Beach, CA 90806
(562) 933-0590
✔ PECOS✔ Accepts Medicare2.8 mi
Endocrinology
NPI 1962687889
1868 PACIFIC AVE
Long Beach, CA 90806
(562) 595-4718
✔ PECOS✔ Accepts Medicare2.8 mi
Marriage and Family Therapist
NPI 1952195125
3325 PALO VERDE AVE STE 201
Long Beach, CA 90808
(562) 542-3600
✔ PECOS✔ Accepts Medicare2.9 mi
Clinical Psychologist
NPI 1518081942
3325 PALO VERDE AVE STE 201
Long Beach, CA 90808
(562) 542-3600
✔ PECOS✔ Accepts Medicare2.9 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 05D1000821

Prohealth Partners A Medical Group Inc · Long Beach, CA
Active · expires Jun 23, 2028
CLIA Number05D1000821
Laboratory TypePhysician Office
Certificate Effective DateJune 24, 2026
Certificate Expiration DateJune 23, 2028
Laboratory DirectorDiana R. Bryant
Laboratory Phone(562) 961-9991
Laboratory LocationProhealth Partners A Medical Group Inc1760 Termino Ave, Ste 300, Long Beach, CA 90804
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's NPI number?

The NPI number for Prohealth Partners A Medical Group is 1154453108. It was assigned to this organization in the NPPES registry on March 12, 2007.

Where is Prohealth Partners A Medical Group located?

Prohealth Partners A Medical Group is located at 1760 Termino Ave Ste 300, Long Beach, CA 90804. The listed phone number is (562) 961-9991.

What is Prohealth Partners A Medical Group's specialty?

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

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, 2 practice at this address and 162 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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

Yes. A Certificate of Waiver (number 05D1000821) is associated with this NPI, valid through June 23, 2028. 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 was last updated on May 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.