NPPES file of Aug 9, 2026

Pirouz Piran

Neurology Physician · Anaheim, CA

Pirouz Piran is a neurology physician with a practice address in Anaheim, California, and NPI 1467879452, issued on Mar 27, 2014. Check the license (California A170109, 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
1467879452
Name
Pirouz Piran
Primary taxonomy
Neurology Physician 2084N0400X
License number
A170109 CA
Self-reported in NPPES; status is on the state search
Practice location
1111 W LA Palma Ave, Anaheim, CA 92801
Phone
(626) 282-0296
Enumerated
Mar 27, 2014
Record last updated
Nov 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210503000557); 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 1111 W LA Palma Ave

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

  1. Ruke Achoja, MDAnesthesiology Physician1700143914
  2. Katherine Atienza, RNGastroenterology Registered Nurse1386500221
  3. Sheryn Atkinson, RNCommunity Health Registered Nurse1285252387
  4. Lupita Cervantes RoblesClinical Social Worker1982482717
  5. Bharat Chauhan, M.D.Infectious Disease Physician1730243759
  6. Tara Chiazza, LCSWSocial Worker1306056353

Verify Pirouz Piran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A170109
    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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98% fewer Medicare Part D claims than the average neurology physician in 2024

33 Medicare Part D claims, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Pirouz Piran33
  2. Specialty average1,370

Most prescribed

  1. Quetiapine Fumarate13 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): 79.8 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 score64.5
  2. Costnot scored (reweighted)
  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: $396.13

8 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. 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. Pirouz Piran$396.13
  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.

Bills Medicare through one group practice

  1. KC Tan MD Medical CorporationAnaheim, CA

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

Pirouz Piran among 2,339 neurology physician records in California

Pirouz Piran 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 2014, is newer than 71% of them.

  • NPI issued2014 · 71% of these records are older, 25% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2010 · median 2006 among the 1,628 with a school on file
  • Record last updated2021 · 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. David Holstein, M.D.Anaheim, CA 928011518987585
  2. Donald Snider, M.D.Anaheim, CA 928011295752244
  3. B Subhas, M.D.Anaheim, CA 928011598821142
  4. B Suresh, M.D.Anaheim, CA 928011922164573
  5. Chong Kim, MDAnaheim, CA 928041538188347
  6. Sung-Un Park, MDAnaheim, CA 928041649298084
  7. Tracy Hatzopoulos, M.D.Anaheim, CA 928061679701817
  8. Sirichai Chayasirisobhon, MDAnaheim, CA 928071063560928

Common questions

What is Pirouz Piran's NPI number?

Pirouz Piran's National Provider Identifier (NPI) is 1467879452, issued on Mar 27, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Pirouz Piran located?

The NPPES record lists a practice address at 1111 W LA Palma Ave, Anaheim, CA, 92801. Phone: (626) 282-0296. Providers update this record themselves, so call before visiting.

How can I verify Pirouz Piran's license?

NPPES lists California license number A170109, 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 Pirouz Piran prescribe under Medicare Part D?

In 2024, Pirouz Piran had 33 Medicare Part D claims; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Pirouz Piran's MIPS final score?

The 2023 MIPS final score is 79.8 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.