NPPES file of Aug 9, 2026

Alexander Calhoun Flint, M.D., PH.D.

Neurology Physician · Redwood City, CA

Alexander Calhoun Flint, M.D., PH.D. is a neurology physician with a practice address in Redwood City, California, and NPI 1588694061, issued on Jul 3, 2006. Check the license (California A89431, 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
1588694061
Name
Alexander Calhoun Flint
Credential
M.D., PH.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
A89431 CA
Self-reported in NPPES; status is on the state search
Practice location
1150 Veterans Blvd, Redwood City, CA 94063
Phone
(650) 299-2000
Enumerated
Jul 3, 2006
Record last updated
Dec 20, 2021 (not updated in 5 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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8 nearest neurology physician records → All 2,339 in California → Look up another NPI →

Also registered at 1150 Veterans Blvd

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

  1. James Ahn, MDEmergency Medicine Physician1528146180
  2. Pavlina Apte, M.D.Internal Medicine Physician1386785806
  3. Wilma Arguelles-Gaviola, MDInternal Medicine Physician1740368398
  4. Anil Assudani, M.D,Psychiatry Physician1497753909
  5. Everett Austin, MDNeurology Physician1083792642
  6. Lauren Bacon, DPTPhysical Therapist1295167583

Verify Alexander Calhoun Flint in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A89431    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

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Alexander Calhoun Flint among 2,339 neurology physician records in California

Alexander Calhoun Flint, M.D., PH.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 not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 59% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,339 in California → Every provider in Redwood City → Neurology Physician nationwide →

The 8 neurology physician records with the nearest ZIP codes

  1. Everett Austin, MDRedwood City, CA 940631083792642
  2. Edwin Garcia, MDRedwood City, CA 940631144308735
  3. Janet La, MDRedwood City, CA 940631457980351
  4. Christina Law, MDRedwood City, CA 940631457937013
  5. Melanie Lising, M.D.Redwood City, CA 940631285862870
  6. Alben Lui, M.D.Redwood City, CA 940631851549463
  7. Vivek Rao, MDRedwood City, CA 940631346328937
  8. Varun ShahRedwood City, CA 940631700264330

Common questions

What is Alexander Calhoun Flint, M.D., PH.D.'s NPI number?

Alexander Calhoun Flint, M.D., PH.D.'s National Provider Identifier (NPI) is 1588694061, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Calhoun Flint, M.D., PH.D. located?

The NPPES record lists a practice address at 1150 Veterans Blvd, Redwood City, CA, 94063. Phone: (650) 299-2000. Providers update this record themselves, so call before visiting.

How can I verify Alexander Calhoun Flint, M.D., PH.D.'s license?

NPPES lists California license number A89431, 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.

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.