NPPES file of Aug 9, 2026

John Chambers Good, MD

Family Medicine Physician · Oakland, CA

John Chambers Good, MD is a family medicine physician with a practice address in Oakland, California, and NPI 1629041769, issued on Feb 9, 2006. Check the license (California G21825, 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
1629041769
Name
John Chambers Good
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G21825 CA
Self-reported in NPPES; status is on the state search
Practice location
3100 Telegraph Ave, Oakland, CA 94609
Phone
(810) 286-8160
Enumerated
Feb 9, 2006
Record last updated
May 13, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(510) 286-8158
Medicaid ID
GR0028630 CA
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 3100 Telegraph Ave

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

  1. Nida AhmedStudent in an Organized Health Care Education/Training Program1508493321
  2. Robyn Anne Almario, PTPhysical Therapist1114759750
  3. Amberlee Amaral, RNRegistered Nurse1861091225
  4. Nicole ArmstrongStudent in an Organized Health Care Education/Training Program1043964356
  5. Janet Arnesty, MDFamily Medicine Physician1669464152
  6. Marina Ataie Ebuen, N.PFamily Nurse Practitioner1225473242

Verify John Chambers Good in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G21825
    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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John Chambers Good among 17,133 family medicine physician records in California

John Chambers Good, MD is one of 17,133 family medicine 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2008 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in California

There are 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 family medicine physician records with the nearest ZIP codes

  1. Noha Aboelata, MDOakland, CA 946091447246293
  2. Janet Arnesty, MDOakland, CA 946091669464152
  3. Andrea Franchett, M.D.Oakland, CA 946091417991183
  4. Nayvin Gordon, MDOakland, CA 946091518973510
  5. Anthony Jones, MDOakland, CA 946091538246194
  6. Michael Kern, M.D.Oakland, CA 946091861436925
  7. Bruce Lawrence, M.D.Oakland, CA 946091710901616
  8. David Louis, M.D.Oakland, CA 946091417042953

Common questions

What is John Chambers Good, MD's NPI number?

John Chambers Good, MD's National Provider Identifier (NPI) is 1629041769, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Chambers Good, MD located?

The NPPES record lists a practice address at 3100 Telegraph Ave, Oakland, CA, 94609. Phone: (810) 286-8160. Providers update this record themselves, so call before visiting.

How can I verify John Chambers Good, MD's license?

NPPES lists California license number G21825, 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.