NPPES file of Aug 9, 2026

Michael David Bleecker, M.D.

Obstetrics & Gynecology Physician · Livermore, CA

Michael David Bleecker, M.D. is an obstetrics & gynecology physician with a practice address in Livermore, California, and NPI 1437218328, issued on Dec 6, 2006. Check the license (California G16234, 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
1437218328
Name
Michael David Bleecker
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G16234 CA
Self-reported in NPPES; status is on the state search
Practice location
1133 E Stanley Blvd, Livermore, CA 94550
Phone
(925) 447-1010
Enumerated
Dec 6, 2006
Record last updated
Sep 11, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(925) 447-0736
Medicaid ID
00G162340 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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8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →

Also registered at 1133 E Stanley Blvd

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

  1. Michael Beckley, D.D.S.Oral and Maxillofacial Surgery (Dentist)1437231925
  2. Vicente Chiong, MDPediatrics Physician1558310599
  3. Scott Eaton, M.D.Obstetrics Physician1285793836
  4. Christopher Entwisle, M.D.Gastroenterology Physician1841256963
  5. Johnette Leikam, MDPediatrics Physician1407805484
  6. Lara Lembach, MDPediatrics Physician1467401455

Verify Michael David Bleecker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G16234    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 David Bleecker among 5,088 obstetrics & gynecology physician records in California

Michael David Bleecker, M.D. is one of 5,088 obstetrics & gynecology 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2008 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,088 in California → Every provider in Livermore → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Aditi Bommireddy, MDLivermore, CA 945511205398609
  2. Lee Christianson, MDLafayette, CA 945491922363746
  3. Nancy Everett, MDLivermore, CA 945511699853796
  4. Karine Hajyan, DOLafayette, CA 945491154644425
  5. Andrea Mendelssohn, MD, FACOG, FABIHMLafayette, CA 945491144275264
  6. Vindhya Nagjee, M.D.Livermore, CA 945511891050241
  7. Kimberly Probst, MDLivermore, CA 945511922186022
  8. Maia Sakradse, MDLivermore, CA 945511336608645

Common questions

What is Michael David Bleecker, M.D.'s NPI number?

Michael David Bleecker, M.D.'s National Provider Identifier (NPI) is 1437218328, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael David Bleecker, M.D. located?

The NPPES record lists a practice address at 1133 E Stanley Blvd, Livermore, CA, 94550. Phone: (925) 447-1010. Providers update this record themselves, so call before visiting.

How can I verify Michael David Bleecker, M.D.'s license?

NPPES lists California license number G16234, 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.

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.