NPPES file of Aug 9, 2026

John Bell, M.D.

Internal Medicine Physician · Hayward, CA

John Bell, M.D. is an internal medicine physician with a practice address in Hayward, California, and NPI 1720282932, issued on Jun 12, 2007. Check the license (California G57001, 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
1720282932
Name
John Bell
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G57001 CA
Self-reported in NPPES; status is on the state search
Practice location
27200 Calaroga Ave, Hayward, CA 94545
Phone
(510) 780-4345
Enumerated
Jun 12, 2007
Record last updated
Jul 8, 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 27200 Calaroga Ave

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

  1. Yahya Ahmed, M.D.Internal Medicine Physician1124283312
  2. Neelima Akkinapalli, P.A.Physician Assistant1154523496
  3. Matthew Andrews, NPAcute Care Nurse Practitioner1699645424
  4. Yalda Bahrani, FNP-CNurse Practitioner1770182388
  5. Manon Baze, PAPhysician Assistant1104849520
  6. Beau Britton, P.A.Physician Assistant1689698565

Verify John Bell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G57001
    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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40 internal medicine physician records list a practice address in Hayward

They are 40 of the 3,993 NPPES records with a practice address in Hayward, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is John Bell, M.D.'s NPI number?

John Bell, M.D.'s National Provider Identifier (NPI) is 1720282932, issued on Jun 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Bell, M.D. located?

The NPPES record lists a practice address at 27200 Calaroga Ave, Hayward, CA, 94545. Phone: (510) 780-4345. Providers update this record themselves, so call before visiting.

How can I verify John Bell, M.D.'s license?

NPPES lists California license number G57001, 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.