NPPES file of Aug 9, 2026

Asif R. Harsolia, M.D.

Radiation Oncology Physician · Fountain Valley, CA

Asif R. Harsolia, M.D. is a radiation oncology physician with a practice address in Fountain Valley, California, and NPI 1376565374, issued on Jul 25, 2006. Check the license (California A99453, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376565374
Name
Asif R. Harsolia
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
A99453 CA
35670 AZ
Self-reported in NPPES; status is on the state search
Practice location
18111 Brookhurst St, Fountain Valley, CA 92708
Phone
(714) 962-7100
Enumerated
Jul 25, 2006
Record last updated
Oct 3, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
125097 AZ
Medicare enrollment
Enrolled (PECOS I20070921000759); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 2001
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 18111 Brookhurst St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ketan Bhakta, MDInternal Medicine Physician1669492724
  2. Tiffany Caragan, NURSE PRACTITIONERFamily Nurse Practitioner1144597543
  3. McKayla CasaliniPhysical Therapist1851263974
  4. Benedict Ching, DPMFoot Surgery Podiatrist1326038274
  5. James Darne, RNFARegistered Nurse1235886649
  6. Lori Debold, M.D.Pediatrics Physician1831194323

Verify Asif R. Harsolia in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A99453
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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10% more Medicare Part D claims than the average radiation oncology physician in 2024

147 Medicare Part D claims for 67 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Asif Harsolia147
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl55 claims
  2. Dexamethasone19 claims
  3. Memantine Hcl14 claims
  4. Sildenafil Citrate14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 71.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score62.4
  2. Costout of 100 · 30%44.4
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $103.73

4 payments; by number, the most common kind was food and beverage; the largest payer was Novocure Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Asif Harsolia$103.73
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Memorial Radiation Oncology MedicalFountain Valley, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Asif R. Harsolia among 735 radiation oncology physician records in California

Asif R. Harsolia, M.D. is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 55% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2001 · median 2005 among the 545 with a school on file
  • Record last updated2012 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Regiane De Andrade, M.D.Fountain Valley, CA 927081922352467
  2. Quoc-Anh Ho, MDFountain Valley, CA 927081063805836
  3. Peyman KabolizadehFountain Valley, CA 927081093941171
  4. Donald Karon, M.D.Fountain Valley, CA 927081982668216
  5. Usama Mahmood, MDFountain Valley, CA 927081386848844
  6. Ajmel Puthawala, M.D.Fountain Valley, CA 927081245249325
  7. Chu-Pei Feng, M.D.Santa Ana, CA 927051922010073
  8. Sharon Lee, M.D.Santa Ana, CA 927051215105432

Common questions

What is Asif R. Harsolia, M.D.'s NPI number?

Asif R. Harsolia, M.D.'s National Provider Identifier (NPI) is 1376565374, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Asif R. Harsolia, M.D. located?

The NPPES record lists a practice address at 18111 Brookhurst St, Fountain Valley, CA, 92708. Phone: (714) 962-7100. Providers update this record themselves, so call before visiting.

How can I verify Asif R. Harsolia, M.D.'s license?

NPPES lists California license number A99453, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Asif R. Harsolia, M.D. prescribe under Medicare Part D?

In 2024, Asif R. Harsolia, M.D. had 147 Medicare Part D claims for 67 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Asif R. Harsolia, M.D.'s MIPS final score?

The 2023 MIPS final score is 71.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.