NPPES file of Aug 9, 2026

Ashish Nanda, MD

Vascular Neurology Physician · Fullerton, CA

Ashish Nanda, MD is a vascular neurology physician with a practice address in Fullerton, California, and NPI 1598980518, issued on Apr 16, 2007. Check the license (California C174401, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598980518
Name
Ashish Nanda
Credential
MD
Primary taxonomy
Vascular Neurology Physician 2084V0102X
License numbers
C174401 CA
2010009953 MO
35.090637 OH
Self-reported in NPPES; status is on the state search
Practice location
101 E Valencia Mesa Dr, Fullerton, CA 92835
Phone
(714) 871-3280
Enumerated
Apr 16, 2007
Record last updated
Feb 21, 2024
Medicare enrollment
Enrolled (PECOS I20220114000706); accepts Medicare assignment
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 101 E Valencia Mesa Dr

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

  1. Daniel Abbott, MDEmergency Medicine Physician1518907864
  2. Nelson Aguinaga, RN, FNPFamily Nurse Practitioner1043909609
  3. Jonathon Ahn, MDAnesthesiology Physician1053803882
  4. Sora Ahn, RNCritical Care Medicine Registered Nurse1730026493
  5. Sherry Ansari, DPTPhysical Medicine & Rehabilitation Physician1467972992
  6. Tandeep Bains, PHARM.D.Pharmacist1568958114

Verify Ashish Nanda in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C174401
    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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Industry payments in 2024: $33,359.33

44 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 461 providers of this specialty with any payment received $3,770.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ashish Nanda$33,359
  2. Specialty average$3,771

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. Pacific Interventional NeurosciencesFullerton, CA

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

Ashish Nanda among 74 vascular neurology physician records in California

Ashish Nanda, MD is one of 74 vascular neurology physician records with a practice address in California. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 70% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2001 · median 2009 among the 61 with a school on file
  • Record last updated2024 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084V0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular Neurology Physician providers in California

There are 74 vascular neurology physician records in California.

The 8 vascular neurology physician records with the nearest ZIP codes

  1. Maria Martucci, MDFullerton, CA 928351245728823
  2. Marc Vanefsky, MDAnaheim, CA 928071508937533
  3. Mark Fisher, MDOrange, CA 928681225132814
  4. Masaki Nagamine, MDOrange, CA 928681144751660
  5. Jay Shah, M.D.Orange, CA 928681841589926
  6. Basit Rahim, MDMission Viejo, CA 926911003253071
  7. Ali Razmara, MDIrvine, CA 926181366670515
  8. Conrad Liang, M.D., PH.D.Fontana, CA 923351912141334

Common questions

What is Ashish Nanda, MD's NPI number?

Ashish Nanda, MD's National Provider Identifier (NPI) is 1598980518, issued on Apr 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ashish Nanda, MD located?

The NPPES record lists a practice address at 101 E Valencia Mesa Dr, Fullerton, CA, 92835. Phone: (714) 871-3280. Providers update this record themselves, so call before visiting.

How can I verify Ashish Nanda, MD's license?

NPPES lists California license number C174401, 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.

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.