NPPES file of Aug 9, 2026

Zareen Faiz, M.D.

Specialist · Downey, CA

Zareen Faiz, M.D. is a specialist with a practice address in Downey, California, and NPI 1710027446, issued on Feb 8, 2007. Check the license (California A37287, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710027446
Name
Zareen Faiz
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
A37287 CA
Self-reported in NPPES; status is on the state search
Practice location
8301 Florence Ave, Downey, CA 90240
Phone
(562) 862-2778
Enumerated
Feb 8, 2007
Record last updated
Jun 29, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(562) 862-7649
Medicaid IDs
00A372871 CA
GR0077220 CA
Medicare enrollment
Enrolled (PECOS I20090617000755); 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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8 nearest specialist records → All 5,749 in California → Look up another NPI →

Also registered at 8301 Florence Ave

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

  1. Robert Lark, PH.DMarriage & Family Therapist1083644835
  2. Marilou Lucero, M.D.Family Medicine Physician1861523052
  3. Joel Sunkin, PH.D.Clinical Psychologist1891785721
  4. James Ziegenbein, M.D. A PROF CORPInfectious Disease Physician1447278072

Verify Zareen Faiz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license A37287    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
Find 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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Bills Medicare through one group practice

  1. United Medical Imaging Healthcare IncMaywood, CA

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

Zareen Faiz among 5,749 specialist records in California

Zareen Faiz, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 40% of them.

  • NPI issued2007 · 40% of these records are older, 44% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1971 · median 1989 among the 1,075 with a school on file
  • Record last updated2016 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in California

There are 5,749 specialist records in California.

All 5,749 in California → Every provider in Downey → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Colleen Halligan, P.T.Downey, CA 902401336409044
  2. Jennifer Joswick, R.E.Downey, CA 902401659815496
  3. Beatriz Lares, M.DDowney, CA 902401700098381
  4. Daisy TaamiloDowney, CA 902401023700986
  5. Michael Buchbinder, M.D.Downey, CA 902411558446476
  6. Shin Chiu, M.D.Downey, CA 902411851323794
  7. Robert Isaacs, M.DDowney, CA 902411568682102
  8. Steven Nagelberg, M.D.Downey, CA 902411114060720

Common questions

What is Zareen Faiz, M.D.'s NPI number?

Zareen Faiz, M.D.'s National Provider Identifier (NPI) is 1710027446, issued on Feb 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Zareen Faiz, M.D. located?

The NPPES record lists a practice address at 8301 Florence Ave, Downey, CA, 90240. Phone: (562) 862-2778. Providers update this record themselves, so call before visiting.

How can I verify Zareen Faiz, M.D.'s license?

NPPES lists California license number A37287, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.