NPPES file of Aug 9, 2026

Parampreet Singh Walia, M.D.

Neurology Physician · Fullerton, CA

Parampreet Singh Walia, M.D. is a neurology physician with a practice address in Fullerton, California, and NPI 1669716593, issued on Nov 15, 2012. Check the license (California 132246, 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
1669716593
Name
Parampreet Singh Walia
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
132246 CA
1718 CA
57.021513 OH
Self-reported in NPPES; status is on the state search
Practice location
2151 N Harbor Blvd Ste 3100, Fullerton, CA 92835
Phone
(714) 446-5830
Enumerated
Nov 15, 2012
Record last updated
Nov 10, 2023
Medicare enrollment
Enrolled (PECOS I20190909002140); 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 2151 N Harbor Blvd Ste 3100

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

  1. Alison Barnett, FNPFamily Nurse Practitioner1417681248
  2. Raquel Caldera, PA-CPhysician Assistant1275709925
  3. Erin Curry, PA-CPhysician Assistant1497262414
  4. Seo Young Lee, NPFamily Nurse Practitioner1548926132
  5. Jamie Liu, PA-CPhysician Assistant1801310552
  6. Maria Martucci, MDVascular Neurology Physician1245728823

Verify Parampreet Singh Walia in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 132246
    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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97% fewer Medicare Part D claims than the average neurology physician in 2024

41 Medicare Part D claims for 13 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 68% of claims.

  1. Parampreet Walia41
  2. Specialty average1,370

Most prescribed

  1. Brilinta22 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.

Industry payments in 2024: $291.67

3 payments; by number, the most common kind was food and beverage; the largest payer was Scientia Vascular. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Parampreet Walia$291.67
  2. Specialty average$8,318.07

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

Parampreet Singh Walia among 2,339 neurology physician records in California

Parampreet Singh Walia, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 66% of them.

  • NPI issued2012 · 66% of these records are older, 31% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2008 · median 2006 among the 1,628 with a school on file
  • Record last updated2023 · 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 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

The 8 neurology physician records with the nearest ZIP codes

  1. Anthony Ciabarra, M.D., PH.D.Fullerton, CA 928351942374392
  2. Jack Florin, MDFullerton, CA 928351912990656
  3. Johnson Moon, M.D.Fullerton, CA 928351457407579
  4. Manpreet Multani, MDFullerton, CA 928351679706295
  5. Johanna Rosenthal, M.D.Fullerton, CA 928351881741247
  6. Scott Turner, MDFullerton, CA 928351346416575
  7. Lowell Nelson, M.D., PH.D.Fullerton, CA 928331265502215
  8. Thomas Ela, M.D.Fullerton, CA 928311831184795

Common questions

What is Parampreet Singh Walia, M.D.'s NPI number?

Parampreet Singh Walia, M.D.'s National Provider Identifier (NPI) is 1669716593, issued on Nov 15, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Parampreet Singh Walia, M.D. located?

The NPPES record lists a practice address at 2151 N Harbor Blvd Ste 3100, Fullerton, CA, 92835. Phone: (714) 446-5830. Providers update this record themselves, so call before visiting.

How can I verify Parampreet Singh Walia, M.D.'s license?

NPPES lists California license number 132246, 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 Parampreet Singh Walia, M.D. prescribe under Medicare Part D?

In 2024, Parampreet Singh Walia, M.D. had 41 Medicare Part D claims for 13 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

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.