NPPES file of Aug 9, 2026

Alireza Tafazzoli, M.D.

Anatomic Pathology & Clinical Pathology Physician · Mission Viejo, CA

Alireza Tafazzoli, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Mission Viejo, California, and NPI 1659486660, issued on Aug 20, 2006. Check the license (California A77595, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659486660
Name
Alireza Tafazzoli
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
A77595 CA
Self-reported in NPPES; status is on the state search
Practice location
27700 Medical Center RD, Mission Viejo, CA 92691
Phone
(949) 364-1400
Enumerated
Aug 20, 2006
Record last updated
Mar 31, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicaid IDs
00A775950 CA
00A775950F39 CA
Medicare enrollment
Enrolled (PECOS I20051115000854); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2000
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 27700 Medical Center RD

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

  1. Ali Al-HilfiPharmacist1427948769
  2. Mehdi Amiri, PHARM. D.Pharmacist1528586799
  3. Ivan Babin, M.D.Vascular & Interventional Radiology Physician1134461486
  4. Danniella BermanPhysician Assistant1740849363
  5. Michael Blumenfeld, M.D.Anatomic Pathology & Clinical Pathology Physician1578679882
  6. Emily Brady, MD, MPHAnesthesiology Physician1801107669

Verify Alireza Tafazzoli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A77595
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 79.4 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 score75.7
  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).

Bills Medicare through one group practice

  1. Newport Harbor Pathology Medical Group IncNewport Beach, CA

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

Alireza Tafazzoli among 1,554 anatomic pathology & clinical pathology physician records in California

Alireza Tafazzoli, M.D. is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 57% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2000 · median 2003 among the 891 with a school on file
  • Record last updated2009 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in California

There are 1,554 anatomic pathology & clinical pathology physician records in California.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Michael Blumenfeld, M.D.Mission Viejo, CA 926911578679882
  2. Kayvon DowlatshahiMission Viejo, CA 926911891176954
  3. Justin Ekuan, M.D.Mission Viejo, CA 926911336255686
  4. Vanessa Hoang, D.O., M.S.Mission Viejo, CA 926911083971618
  5. Kenneth Kaye, M.D.Mission Viejo, CA 926911588770812
  6. Hitomi Momose, M.D.Mission Viejo, CA 926911558477935
  7. Chiling Chai, M.D.Sjc, CA 926901588997852
  8. Kathleen Lynch, M.D.San Juan Capistrano, CA 926901831344845

Common questions

What is Alireza Tafazzoli, M.D.'s NPI number?

Alireza Tafazzoli, M.D.'s National Provider Identifier (NPI) is 1659486660, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alireza Tafazzoli, M.D. located?

The NPPES record lists a practice address at 27700 Medical Center RD, Mission Viejo, CA, 92691. Phone: (949) 364-1400. Providers update this record themselves, so call before visiting.

How can I verify Alireza Tafazzoli, M.D.'s license?

NPPES lists California license number A77595, 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.

What is Alireza Tafazzoli, M.D.'s MIPS final score?

The 2023 MIPS final score is 79.4 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.