PROHEALTH PARTNERS, A MEDICAL GROUP, INC.
NPI 1851280846
Internal Medicine in Corona, CA

Active since July 02, 2025
341 MAGNOLIA AVE STE 206, CORONA, CA 92879(951) 554-5778(951) 268-6365 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 13, 2026, Nov 14, 2025, Jul 2, 2025 (3 updates tracked since 2025).

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 1851280846) is a healthcare organization registered as an internal medicine in Corona, California and active in the NPI registry since July 2025. The organization maintains a secondary practice location in Corona and lists Peter Ferrera, President, as its authorized official.

NPPES Registry Identity

NPI1851280846
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePROHEALTH PARTNERS, A MEDICAL GROUP, INC.
Location Address341 MAGNOLIA AVE STE 206Corona, CA 92879-3332
Mailing Address341 Magnolia Ave Ste 206Corona, CA 92879-3332 · (951) 554-5778 · Fax (951) 268-6365
Fax(951) 268-6365
Organization SubpartNo
Authorized OfficialPeter FerreraPresident · (562) 299-5200
Enumeration DateJuly 2, 2025
Last NPPES UpdateJanuary 13, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 13, 2026
✔ NPI 1851280846 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X
341 MAGNOLIA AVE STE 206, Corona, CA 92879

Secondary Practice Location 1

Location 1341 Magnolia Ave Ste 206Corona, CA 92879-3332 · Phone (951) 209-0008 · Fax (951) 209-0017

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, 2 practice at this address and 3 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
Rheumatology
NPI 1235278250
341 MAGNOLIA AVE STE 206
Corona, CA 92879
(951) 209-0008
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1073808994
341 MAGNOLIA AVE STE 206
Corona, CA 92879
(951) 554-5778
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1023847365
7483 JERSEY ST
Chino, CA 91708
(909) 851-2129
✔ PECOS8.6 mi
Nurse Practitioner
NPI 1063292845
2295 S VINEYARD AVE
Ontario, CA 91761
(833) 574-2273
✔ PECOS✔ Accepts Medicare13 mi
Internal Medicine
NPI 1316041718
5343 RIVERSIDE DR
Chino, CA 91710
(909) 591-6227
✔ PECOS✔ Accepts Medicare13 mi
Allergy/Immunology
NPI 1013495431
3600 LIME ST STE 516
Riverside, CA 92501
(951) 367-1060
✔ PECOS14 mi
Clinical Psychologist
NPI 1689802167
4280 LATHAM ST STE G
Riverside, CA 92501
(909) 295-5805
✔ PECOS15 mi
Family Practice
NPI 1811347198
2592 N SANTIAGO BLVD
Orange, CA 92867
(714) 577-2271
✔ PECOS✔ Accepts Medicare15 mi
Cardiovascular Disease (Cardiology)
NPI 1235350893
999 N TUSTIN AVE STE 205
Santa Ana, CA 92705
(714) 617-2626
✔ PECOS✔ Accepts Medicare17 mi
Cardiac Electrophysiology
NPI 1912986944
438 E KATELLA AVE STE B
Orange, CA 92867
(714) 744-5000
✔ PECOS✔ Accepts Medicare17 mi
Nurse Practitioner
NPI 1780299289
1249 S DIAMOND BAR BLVD STE 33
Diamond Bar, CA 91765
(949) 940-6810
✔ PECOS✔ Accepts Medicare17 mi
Internal Medicine
NPI 1295802155
1042 SAN BERNARDINO RD
Upland, CA 91786
(909) 524-1940
✔ PECOS✔ Accepts Medicare18 mi
Interventional Cardiology
NPI 1871818385
685 N 13TH AVE STE 11
Upland, CA 91786
(909) 500-8683
✔ PECOS✔ Accepts Medicare18 mi
Neurology
NPI 1720178817
455 S MAIN ST
Orange, CA 92868
(714) 532-7601
✔ PECOS18 mi
Urology
NPI 1851529242
505 S MAIN ST STE 100
Orange, CA 92868
(714) 509-3914
✔ PECOS✔ Accepts Medicare18 mi
Hospitalist
NPI 1568892115
101 THE CITY DR S
Orange, CA 92868
(714) 456-8888
✔ PECOS✔ Accepts Medicare19 mi
Nephrology
NPI 1457314684
101 THE CITY DR S
Orange, CA 92868
(714) 880-7812
✔ PECOS✔ Accepts Medicare19 mi
Psychiatry
NPI 1598023103
2900 BRISTOL ST STE B201
Costa Mesa, CA 92626
(855) 867-5551
✔ PECOS✔ Accepts Medicare22 mi
Marriage and Family Therapist
NPI 1144708108
2900 BRISTOL ST BLDG B203B205
Costa Mesa, CA 92626
(855) 867-5551
✔ PECOS✔ Accepts Medicare22 mi
Orthopedic Surgery
NPI 1003115619
11190 WARNER AVE STE 300
Fountain Valley, CA 92708
(714) 241-7000
✔ PECOS✔ Accepts Medicare23 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 1851280846. It was assigned to this organization in the NPPES registry on July 2, 2025.

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

Prohealth Partners, A Medical Group, Inc. is located at 341 Magnolia Ave Ste 206, Corona, CA 92879. The listed phone number is (951) 554-5778.

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, 2 practice at this address and 3 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 January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.