NPPES file of Aug 9, 2026

Michael Linn, MD

Pediatrics Physician · Oakland, CA

Michael Linn, MD is a pediatrics physician with a practice address in Oakland, California, and NPI 1821058793, issued on Mar 24, 2006. Check the license (California A56337, 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
1821058793
Name
Michael Linn
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
A56337 CA
Self-reported in NPPES; status is on the state search
Practice location
3100 Telegraph Ave, Oakland, CA 94609
Phone
(510) 452-5231
Enumerated
Mar 24, 2006
Record last updated
Nov 15, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(510) 869-6679
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 Michael Linn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A56337
    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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Michael Linn among 9,272 pediatrics physician records in California

Michael Linn, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% 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, 56% newer
  • In a Medicare fileNo · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2012 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

338 pediatrics physician records list a practice address in Oakland

They are 338 of the 18,558 NPPES records with a practice address in Oakland, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Sara Buckelew, MDOakland, CA 946091841250750
  2. Edward Chu, M.D.Oakland, CA 946091952329054
  3. Donald Fones, MDOakland, CA 946091497715379
  4. Doris GeeOakland, CA 946091801839535
  5. Rachel Gilgoff, M.D.Oakland, CA 946091609852284
  6. Elio Gizzi, MDOakland, CA 946091326065046
  7. Denise Lenoir, FNPOakland, CA 946091497702138
  8. Thi Nguyen, MDOakland, CA 946091285694190

Common questions

What is Michael Linn, MD's NPI number?

Michael Linn, MD's National Provider Identifier (NPI) is 1821058793, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Linn, MD located?

The NPPES record lists a practice address at 3100 Telegraph Ave, Oakland, CA, 94609. Phone: (510) 452-5231. Providers update this record themselves, so call before visiting.

How can I verify Michael Linn, MD's license?

NPPES lists California license number A56337, 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.