NPPES file of Aug 9, 2026

John N. Parker, M.D.

Orthopaedic Surgery Physician · Los Altos, CA

John N. Parker, M.D. is an orthopaedic surgery physician with a practice address in Los Altos, California, and NPI 1407937519, issued on Oct 17, 2006. Check the license (California G45374, 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
1407937519
Name
John N. Parker
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
G45374 CA
Self-reported in NPPES; status is on the state search
Practice location
763 Altos Oaks Dr, Los Altos, CA 94024
Phone
(650) 917-9135
Enumerated
Oct 17, 2006
Record last updated
Aug 6, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(650) 917-0832
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 763 Altos Oaks Dr

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

  1. Samina Husaini, MDPediatrics Physician1902933641
  2. Jeffrey Kliman, M.D.Orthopaedic Surgery Physician1083725659
  3. Molly Rad, M.D.Specialist1902839152
  4. Yolanda WaiDentist1184846941

Verify John N. Parker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G45374
    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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John N. Parker among 2,276 orthopaedic surgery physician records in California

John N. Parker, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2012 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in California

There are 2,276 orthopaedic surgery physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Jeffrey Kliman, M.D.Los Altos, CA 940241083725659
  2. Mark Morishige, MDLos Altos, CA 940241619197639
  3. William Irving, M.D.Los Altos Hills, CA 940221033224134
  4. John Costouros, MDMenlo Park, CA 940271437238565
  5. Victoria Barber, MDDaly City, CA 940151962418533
  6. Yeukkei Cheung, M.D.Daly City, CA 940151912148438
  7. Stephen Conrad, MDDaly City, CA 940151588670186
  8. Alfredo Fernandez, MDDaly City, CA 940151871509471

Common questions

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

John N. Parker, M.D.'s National Provider Identifier (NPI) is 1407937519, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John N. Parker, M.D. located?

The NPPES record lists a practice address at 763 Altos Oaks Dr, Los Altos, CA, 94024. Phone: (650) 917-9135. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number G45374, 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.