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PROHEALTH PARTNERS A MEDICAL GROUP
NPI 1558030635
Internal Medicine in Long Beach, CA

Active since September 10, 2021CLIA 05D2008958 · Waiver
1777 N BELLFLOWER BLVD STE 101, LONG BEACH, CA 90815(562) 986-6138(562) 986-6382 Get Directions Write a Review

NPPES record last updated: September 10, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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 1558030635) is a healthcare organization registered as an internal medicine in Long Beach, California and active in the NPI registry since September 2021. The organization holds a CLIA Waiver certificate valid through June 21, 2028 and lists Barry Steven Allswang, Coo, as its authorized official.

NPPES Registry Identity

NPI1558030635
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePROHEALTH PARTNERS A MEDICAL GROUP
Location Address1777 N BELLFLOWER BLVD STE 101Long Beach, CA 90815-4019
Mailing Address1777 N Bellflower Blvd Ste 101Long Beach, CA 90815-4019 · (562) 986-6138 · Fax (562) 986-6382
Phone(562) 986-6138
Fax(562) 986-6382
Organization SubpartNo
Authorized OfficialBarry Steven AllswangCoo · (562) 299-5239
Enumeration DateSeptember 10, 2021
NPPES CertifiedAugust 26, 2021
✔ NPI 1558030635 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.
1777 N BELLFLOWER BLVD STE 101, Long Beach, CA 90815
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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, 3 practice at this address and 143 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
Diana Bryant, MD
Internal Medicine
NPI 1255425146
1777 N BELLFLOWER BLVD STE 201
Long Beach, CA 90815
(562) 961-9991
✔ PECOS✔ Accepts MedicareSame address
Loida Constantino, M.D.
Family Practice
NPI 1487767604
1777 BELLFLOWER BLVD SUITE 104
Long Beach, CA 90815
(562) 961-8820
✔ PECOS✔ Accepts MedicareSame address
Vannarith So, MD, MPH
Internal Medicine
NPI 1659416584
1777 N BELLFLOWER BLVD SUITE 101
Long Beach, CA 90815
(562) 986-6138
✔ PECOS✔ Accepts MedicareSame address
Carol Vasquez, FNP
Nurse Practitioner
NPI 1225406333
2110 N BELLFLOWER BLVD
Long Beach, CA 90815
(562) 346-2222
✔ PECOS0.5 mi
John Issa, MD
Hospitalist
NPI 1043233976
5150 E PACIFIC COAST HWY SUITE 500
Long Beach, CA 90804
(562) 491-9883
✔ PECOS✔ Accepts Medicare0.6 mi
Larisa Garbar, M.D.
Hospitalist
NPI 1811906753
2220 CLARK AVE
Long Beach, CA 90815
(562) 597-4181
✔ PECOS✔ Accepts Medicare0.9 mi
Nolan Desa, MD
General Surgery
NPI 1245673896
1760 TERMINO AVE STE G18
Long Beach, CA 90804
(562) 494-6700
✔ PECOS✔ Accepts Medicare1.2 mi
Sophia Hsu-Zic, RD
Registered Dietitian or Nutrition Professional
NPI 1447652839
1760 TERMINO AVE STE 214
Long Beach, CA 90804
(562) 595-4718
✔ Accepts Medicare1.2 mi
David Shen, M.D.
Family Practice
NPI 1235100330
4910 AIRPORT PLAZA DR STE 100
Long Beach, CA 90815
(562) 434-7777
✔ PECOS✔ Accepts Medicare1.6 mi
Nancy Godfrey, M.D.
Rheumatology
NPI 1790777449
6226 E SPRING ST 275
Long Beach, CA 90815
(562) 496-0546
✔ PECOS✔ Accepts Medicare1.7 mi
Tyler De Jong, M.D.
Internal Medicine
NPI 1033537493
300 REDONDO AVE
Long Beach, CA 90814
(562) 433-7496
✔ PECOS✔ Accepts Medicare2.1 mi
Jessica Sota, FNP
Nurse Practitioner
NPI 1790464634
300 REDONDO AVE
Long Beach, CA 90814
(562) 433-7496
✔ PECOS2.1 mi
Rekeeshella Elder
Marriage and Family Therapist
NPI 1952195125
3325 PALO VERDE AVE STE 201
Long Beach, CA 90808
(562) 542-3600
✔ PECOS✔ Accepts Medicare2.2 mi
Adriana Westby Trent
Clinical Psychologist
NPI 1518081942
3325 PALO VERDE AVE STE 201
Long Beach, CA 90808
(562) 542-3600
✔ PECOS✔ Accepts Medicare2.2 mi
Seper Dezfoli, M.D.
Gastroenterology
NPI 1104159383
3816 WOODRUFF AVE STE 411
Long Beach, CA 90808
(562) 485-5550
✔ PECOS✔ Accepts Medicare2.9 mi
Vishal Patel, M.D.
Cardiovascular Disease (Cardiology)
NPI 1326493438
3828 SCHAUFELE AVE STE 250
Long Beach, CA 90808
(657) 241-8990
✔ PECOS✔ Accepts Medicare3.1 mi
Andrew Hanna, D.O.
Physical Medicine and Rehabilitation
NPI 1972042620
3662 KATELLA AVE STE 117
Los Alamitos, CA 90720
(310) 507-7984
✔ PECOS✔ Accepts Medicare3.4 mi
Duke Ahn, M.D.
Orthopedic Surgery
NPI 1942318373
3700 KATELLA AVE STE C
Los Alamitos, CA 90720
(562) 583-2250
✔ PECOS✔ Accepts Medicare3.4 mi
Karen Koe, MD
Obstetrics/Gynecology
NPI 1780648709
10861 CHERRY ST STE 308
Los Alamitos, CA 90720
(562) 595-1961
✔ PECOS✔ Accepts Medicare3.4 mi
Meenakshi Verma, M.D
Nephrology
NPI 1942463427
10861 CHERRY ST STE 104
Los Alamitos, CA 90720
(562) 446-0580
✔ PECOS✔ Accepts Medicare3.4 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 05D2008958

Prohealth Partners A Medical Group Inc · Long Beach, CA
Active · expires Jun 21, 2028
CLIA Number05D2008958
Laboratory TypePhysician Office
Certificate Effective DateJune 22, 2026
Certificate Expiration DateJune 21, 2028
Laboratory DirectorVannarith So
Laboratory Phone(562) 986-6138
Laboratory LocationProhealth Partners A Medical Group Inc1777 Bellflower Blvd Suite 101, Long Beach, CA 90815
CLIA data matches this NPI record on: 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 1558030635. It was assigned to this organization in the NPPES registry on September 10, 2021.

Where is Prohealth Partners A Medical Group located?

Prohealth Partners A Medical Group is located at 1777 N Bellflower Blvd Ste 101, Long Beach, CA 90815. The listed phone number is (562) 986-6138.

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, 3 practice at this address and 143 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 05D2008958) is associated with this NPI, valid through June 21, 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 September 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.