PROHEALTH PARTNERS, A MEDICAL GROUP, INC.
NPI 1154952653
Internal Medicine - Nephrology in Los Alamitos, CA

Active since February 03, 2020
3791 KATELLA AVE STE 101, LOS ALAMITOS, CA 90720(562) 446-0580 Get Directions Write a Review

NPPES record last updated: May 20, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 20, 2022, Feb 3, 2020 (2 updates tracked since 2020).

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 1154952653) is a healthcare organization registered as a nephrology in Los Alamitos, California and active in the NPI registry since February 2020. The organization lists Barry Steven Allswang, President, as its authorized official.

NPPES Registry Identity

NPI1154952653
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NamePROHEALTH PARTNERS, A MEDICAL GROUP, INC.
Location Address3791 KATELLA AVE STE 101Los Alamitos, CA 90720-2000
Mailing Address5150 E Pacific Coast Hwy Ste 500Long Beach, CA 90804-3328 · (562) 299-5200
Organization SubpartNo
Authorized OfficialBarry Steven AllswangPresident · (562) 491-9281
Enumeration DateFebruary 3, 2020
Last NPPES UpdateMay 20, 20222 updates tracked since enumeration
NPPES CertifiedMay 20, 2022
✔ NPI 1154952653 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X
3791 KATELLA AVE STE 101, Los Alamitos, CA 90720

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, 141 practice 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 1851322085
3801 KATELLA AVE SUITE 330
Los Alamitos, CA 90720
(562) 594-9546
✔ PECOS✔ Accepts Medicare0.1 mi
Internal Medicine
NPI 1306877253
3801 KATELLA AVE SUITE 330
Los Alamitos, CA 90720
(562) 594-9546
✔ PECOS✔ Accepts Medicare0.1 mi
Family Practice
NPI 1215136940
3801 KATELLA AVE 222
Los Alamitos, CA 90720
(562) 296-5528
✔ PECOS✔ Accepts Medicare0.1 mi
Family Practice
NPI 1396062279
10861 CHERRY ST STE 105
Los Alamitos, CA 90720
(562) 259-8881
✔ PECOS✔ Accepts Medicare0.1 mi
Family Practice
NPI 1104123199
10861 CHERRY ST STE 105
Los Alamitos, CA 90720
(562) 259-8881
✔ PECOS✔ Accepts Medicare0.1 mi
Rheumatology
NPI 1215165667
10861 CHERRY ST SUITE 104
Los Alamitos, CA 90720
(562) 794-9801
✔ PECOS✔ Accepts Medicare0.1 mi
Obstetrics/Gynecology
NPI 1619931599
10861 CHERRY ST STE 105
Los Alamitos, CA 90720
(562) 595-1961
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1023560885
10861 CHERRY ST STE 105
Los Alamitos, CA 90720
(562) 595-1961
✔ PECOS✔ Accepts Medicare0.1 mi
Nephrology
NPI 1942463427
10861 CHERRY ST STE 104
Los Alamitos, CA 90720
(562) 446-0580
✔ PECOS✔ Accepts Medicare0.1 mi
Obstetrics/Gynecology
NPI 1780648709
10861 CHERRY ST STE 308
Los Alamitos, CA 90720
(562) 595-1961
✔ PECOS✔ Accepts Medicare0.1 mi
Obstetrics/Gynecology
NPI 1063477891
10861 CHERRY ST STE 308
Los Alamitos, CA 90720
(562) 595-1961
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1306355698
3801 KATELLA AVE STE 330
Los Alamitos, CA 90720
(562) 594-9546
✔ PECOS✔ Accepts Medicare0.1 mi
Marriage and Family Therapist
NPI 1548704612
3801 KATELLA AVE STE 330
Los Alamitos, CA 90720
(562) 740-5303
✔ PECOS✔ Accepts Medicare0.1 mi
Orthopedic Surgery
NPI 1942318373
3700 KATELLA AVE STE C
Los Alamitos, CA 90720
(562) 583-2250
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1801497706
3801 KATELLA AVE STE 3303801
Los Alamitos, CA 90720
(949) 610-4919
✔ PECOS✔ Accepts Medicare0.1 mi
Internal Medicine
NPI 1578585915
3801 KATELLA AVE STE 300
Los Alamitos, CA 90720
(562) 430-6472
✔ PECOS✔ Accepts Medicare0.1 mi
Physical Medicine and Rehabilitation
NPI 1972042620
3662 KATELLA AVE STE 117
Los Alamitos, CA 90720
(310) 507-7984
✔ PECOS✔ Accepts Medicare0.1 mi
Nephrology
NPI 1033732953
3851 KATELLA AVE STE 325
Los Alamitos, CA 90720
(562) 286-6466
✔ PECOS✔ Accepts Medicare0.1 mi
Registered Dietitian or Nutrition Professional
NPI 1538282983
3851 KATELLA AVE STE 275
Los Alamitos, CA 90720
(562) 296-5528
0.1 mi
Hospitalist
NPI 1174801344
10541 CALLE LEE STE 117
Los Alamitos, CA 90720
(714) 794-2777
✔ PECOS✔ Accepts Medicare0.6 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, Inc.'s NPI number?

The NPI number for Prohealth Partners, A Medical Group, Inc. is 1154952653. It was assigned to this organization in the NPPES registry on February 3, 2020.

Where is Prohealth Partners, A Medical Group, Inc. located?

Prohealth Partners, A Medical Group, Inc. is located at 3791 Katella Ave Ste 101, Los Alamitos, CA 90720. The listed phone number is (562) 446-0580.

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

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

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, 141 practice 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, Inc. was last updated on May 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.