NPPES file of Aug 9, 2026

Philip Alan Greider, MD

Anesthesiology Physician · Whittier, CA

Philip Alan Greider, MD is an anesthesiology physician with a practice address in Whittier, California, and NPI 1427232982, issued on Dec 19, 2007. Check the license (California A44489, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1427232982
Name
Philip Alan Greider
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A44489 CA
Self-reported in NPPES; status is on the state search
Practice location
12401 Washington Blvd, Whittier, CA 90602
Phone
(562) 698-0811
Enumerated
Dec 19, 2007
Record last updated
Dec 19, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 12401 Washington Blvd

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

  1. Anas Abu-Khader, MDInternal Medicine Physician1881180784
  2. Johanna Aceves, NPNurse Practitioner1841415502
  3. Kariann Akiyama, MS, RDN, CNSCRegistered Dietitian1639870009
  4. Syed Ali, MDAnesthesiology Physician1295775625
  5. Jamee Ambariantz, PAPhysician Assistant1790726123
  6. Talin Azilazyan, PHARMDPharmacist1700739372

Verify Philip Alan Greider in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A44489
    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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Philip Alan Greider among 7,571 anesthesiology physician records in California

Philip Alan Greider, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 47% of them.

  • NPI issued2007 · 47% of these records are older, 43% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

28 anesthesiology physician records list a practice address in Whittier

They are 28 of the 2,836 NPPES records with a practice address in Whittier, and 7,571 anesthesiology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Syed Ali, MDWhittier, CA 906021295775625
  2. Henry Cobau, M.D.Whittier, CA 906021528037140
  3. Henry Cola, M.D.Whittier, CA 906021073582607
  4. Steven Gerschultz, M.D.Whittier, CA 906021538138078
  5. James Howard, M.D.Whittier, CA 906021831177575
  6. John HsuWhittier, CA 906021487689279
  7. Alexander Huang, M.D.Whittier, CA 906021821057019
  8. Robert Kogan, M.D.Whittier, CA 906021447239090

Common questions

What is Philip Alan Greider, MD's NPI number?

Philip Alan Greider, MD's National Provider Identifier (NPI) is 1427232982, issued on Dec 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Philip Alan Greider, MD located?

The NPPES record lists a practice address at 12401 Washington Blvd, Whittier, CA, 90602. Phone: (562) 698-0811. Providers update this record themselves, so call before visiting.

How can I verify Philip Alan Greider, MD's license?

NPPES lists California license number A44489, 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. 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.