Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Asif R. Harsolia, M.D.

Radiation Oncology Physician in Fountain Valley, CA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1376565374

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Registry record

Entity type Individual (Type 1)

Name Dr. Asif R. Harsolia

Credential M.D.

Sex Male

Practice address 18111 Brookhurst St, Ste 0300, Fountain Valley, CA, 92708

Phone (714) 962-7100

Enumeration date Jul 25, 2006

Last updated in NPPES Oct 3, 2012

Taxonomy & licenses

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License 35670 (AZ) Secondary

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License A99453 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
CR688X	Other	CA	PTAN
A99453	Other	CA	STATE LICENSE
0927400	Other	AZ	BCBS AZ PROVIDER #
7368874	Other	AZ	AETNA PROVIDER #
7905964	Other	AZ	CIGNA PROVIDER #
125097	Medicaid	AZ	-
125097	Other	AZ	CARE 1ST HLTH. PLAN #

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Asif Harsolia?

Asif Harsolia is registered in NPPES with the primary taxonomy of Radiation Oncology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-10-03.