NPPES file of Aug 9, 2026

Michael T. Nwynn, MD

Gynecology Physician · Redwood City, CA

Michael T. Nwynn, MD is a gynecology physician with a practice address in Redwood City, California, and NPI 1629157367, issued on Nov 3, 2006. Check the license (California G70271, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629157367
Name
Michael T. Nwynn
Credential
MD
Primary taxonomy
Gynecology Physician 207VG0400X
License number
G70271 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
Nov 3, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
00G702710 CA
Medicare enrollment
Enrolled (PECOS I20110420000605); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1989
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest gynecology physician records → All 369 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 Michael T. Nwynn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G70271    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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Bills Medicare through one group practice

  1. County OF San MateoSan Mateo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael T. Nwynn among 369 gynecology physician records in California

Michael T. Nwynn, MD is one of 369 gynecology physician records with a practice address in California. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 40% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated1989 · median 1995 among the 141 with a school on file
  • Record last updated2007 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecology Physician providers in California

There are 369 gynecology physician records in California.

All 369 in California → Every provider in Redwood City → Gynecology Physician nationwide →

The 8 gynecology physician records with the nearest ZIP codes

  1. Maryam Hadiashar, M.D.Redwood City, CA 940631306011259
  2. Christina RisingRedwood City, CA 940631497850564
  3. Azadeh Nezhat, M.D.Woodside, CA 940611396737003
  4. Anna Anderson, MDMountain View, CA 940401457577801
  5. Barbara Peters, M.D.Mountain View, CA 940401417955741
  6. Leasa Lowy, MDMenlo Park, CA 940251861456139
  7. Sherwin Lewis, MDLos Altos, CA 940241740510130
  8. Christy Beyer, M.D.Los Altos Hills, CA 940221144288127

Common questions

What is Michael T. Nwynn, MD's NPI number?

Michael T. Nwynn, MD's National Provider Identifier (NPI) is 1629157367, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael T. Nwynn, MD 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 Michael T. Nwynn, MD's license?

NPPES lists California license number G70271, 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. Medicare files from data.cms.gov. 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.