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PROHEALTH PARTNERS A MEDICAL GROUP INC
NPI 1487903399
Internal Medicine in Pomona, CA

Active since September 06, 2012CLIA 05D2178019 · Waiver
255 E BONITA AVE BLDG 1B, POMONA, CA 91767(909) 524-1940 Get Directions Write a Review

NPPES record last updated: November 12, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 12, 2019, Jun 18, 2019 (2 updates tracked since 2019).

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 1487903399) is a healthcare organization registered as an internal medicine in Pomona, California and active in the NPI registry since September 2012. The organization holds a CLIA Waiver certificate valid through January 22, 2028 and lists Barry S Allswang, President, as its authorized official.

NPPES Registry Identity

NPI1487903399
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePROHEALTH PARTNERS A MEDICAL GROUP INC
Location Address255 E BONITA AVE BLDG 1BPomona, CA 91767-1923
Mailing Address5150 E Pacific Coast Hwy, Suite 500Long Beach, CA 90804-3312
Phone(909) 524-1940
Organization SubpartNo
Authorized OfficialBarry S AllswangPresident · (562) 299-5239
Enumeration DateSeptember 6, 2012
Last NPPES UpdateNovember 12, 20192 updates tracked since enumeration
✔ NPI 1487903399 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.
255 E BONITA AVE BLDG 1B, Pomona, CA 91767
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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 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, 1 practice at this address and 15 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
Gimha Gunawardana, M.D
Internal Medicine
NPI 1720274921
255 E BONITA AVE #101
Pomona, CA 91767
(909) 924-1940
✔ PECOS✔ Accepts MedicareSame address
Mansurur Khan, MD
Internal Medicine
NPI 1326196312
1940 N ORANGE GROVE AVE SUITE C
Pomona, CA 91767
(909) 524-1940
✔ PECOS✔ Accepts Medicare1.4 mi
Byung Ahn, MD
Cardiovascular Disease (Cardiology)
NPI 1194715193
685 N 13TH AVE STE 1
Upland, CA 91786
(909) 500-8683
✔ PECOS✔ Accepts Medicare5.6 mi
Larry Chan, D.O.
Cardiovascular Disease (Cardiology)
NPI 1215259221
685 N 13TH AVE STE 2
Upland, CA 91786
(909) 500-8683
✔ PECOS✔ Accepts Medicare5.6 mi
Shuchi Parikh
Nurse Practitioner
NPI 1255899605
685 N 13TH AVE STE 1
Upland, CA 91786
(909) 500-8683
✔ PECOS5.6 mi
Suraj Rasania, M.D.
Cardiovascular Disease (Cardiology)
NPI 1245501899
685 N 13TH AVE STE 9
Upland, CA 91786
(909) 500-8683
✔ PECOS✔ Accepts Medicare5.6 mi
Ali Etemadian, D.O.
Internal Medicine
NPI 1316041718
5343 RIVERSIDE DR
Chino, CA 91710
(909) 591-6227
✔ PECOS✔ Accepts Medicare6.7 mi
Azhar Majeed, MD, MBA, FACP
Internal Medicine
NPI 1295802155
1042 SAN BERNARDINO RD
Upland, CA 91786
(909) 524-1940
✔ PECOS✔ Accepts Medicare6.8 mi
Roger Duber, DO
Cardiovascular Disease (Cardiology)
NPI 1942261904
685 N 13TH AVE STE 9
Upland, CA 91786
(909) 981-8383
✔ PECOS✔ Accepts Medicare7.0 mi
Hammad Khan
Cardiovascular Disease (Cardiology)
NPI 1992904395
685 N 13TH AVE STE #11
Upland, CA 91786
(813) 418-2313
✔ PECOS✔ Accepts Medicare7.0 mi
Samit Bhatheja, MD
Interventional Cardiology
NPI 1871818385
685 N 13TH AVE STE 11
Upland, CA 91786
(909) 500-8683
✔ PECOS✔ Accepts Medicare7.0 mi
Alisa Licon, FNP-C
Nurse Practitioner
NPI 1568315836
685 N 13TH AVE
Upland, CA 91786
(909) 981-8383
✔ PECOS7.0 mi
Nalin Mallik, M.D.
Hospitalist
NPI 1457667495
420 W ROWLAND ST
Covina, CA 91723
(626) 331-6411
✔ PECOS✔ Accepts Medicare7.4 mi
Rachel Doronio, NP-C
Nurse Practitioner
NPI 1780299289
1249 S DIAMOND BAR BLVD STE 33
Diamond Bar, CA 91765
(949) 940-6810
✔ PECOS✔ Accepts Medicare7.7 mi
Thuong Vu, FNP
Nurse Practitioner
NPI 1063292845
2295 S VINEYARD AVE
Ontario, CA 91761
(833) 574-2273
✔ PECOS✔ Accepts Medicare9.6 mi
Rishi Talwar, MD
Internal Medicine
NPI 1699184184
7974 HAVEN AVE STE 210
Rancho Cucamonga, CA 91730
(909) 941-0661
✔ PECOS✔ Accepts Medicare10 mi
Kelsey Lor
Nurse Practitioner
NPI 1023847365
7483 JERSEY ST
Chino, CA 91708
(909) 851-2129
✔ PECOS11 mi
Marcus Ottochian, M.D.
Critical Care (Intensivists)
NPI 1952614307
1500 DUARTE RD
Duarte, CA 91010
(626) 256-4673
✔ PECOS✔ Accepts Medicare13 mi
Barton Ueki, M.D.
Gastroenterology
NPI 1043219355
12486 WASHINGTON BLVD
Whittier, CA 90602
(562) 693-0756
✔ PECOS✔ Accepts Medicare19 mi
Phuc Bao Tran, D.O
Family Practice
NPI 1811347198
2592 N SANTIAGO BLVD
Orange, CA 92867
(714) 577-2271
✔ PECOS✔ Accepts Medicare19 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 05D2178019

Prohealth Partners A Medical Group Inc · Upland, CA
Active · expires Jan 22, 2028
CLIA Number05D2178019
Laboratory TypePhysician Office
Certificate Effective DateJanuary 23, 2026
Certificate Expiration DateJanuary 22, 2028
Laboratory DirectorAzhar Majeed
Laboratory Phone(909) 524-1940
Laboratory LocationProhealth Partners A Medical Group Inc1042 San Bernardino Road, Upland, CA 91786
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 Inc's NPI number?

The NPI number for Prohealth Partners A Medical Group Inc is 1487903399. It was assigned to this organization in the NPPES registry on September 6, 2012.

Where is Prohealth Partners A Medical Group Inc located?

Prohealth Partners A Medical Group Inc is located at 255 E Bonita Ave Bldg 1B, Pomona, CA 91767. The listed phone number is (909) 524-1940.

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, 1 practice at this address and 15 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 05D2178019) is associated with this NPI, valid through January 22, 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 Inc was last updated on November 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.