NPPES file of Aug 9, 2026

Paul Genser, M.D.

Pediatrics Physician · Tustin, CA

Paul Genser, M.D. is a pediatrics physician with a practice address in Tustin, California, and NPI 1154410629, issued on Oct 12, 2006. Check the license (California G32897, 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
1154410629
Name
Paul Genser
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
G32897 CA
Self-reported in NPPES; status is on the state search
Practice location
1451 Irvine Blvd, Tustin, CA 92780
Phone
(714) 838-8878
Enumerated
Oct 12, 2006
Record last updated
Feb 16, 2015 (not updated in 11 years: call before relying on the address or phone)
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 pediatrics physician records → All 9,272 in California → Look up another NPI →

Also registered at 1451 Irvine Blvd

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

  1. Thomas Azeizat, MDFamily Medicine Physician1558894907
  2. Karen Babel, MDFamily Medicine Physician1558366260
  3. Renee Ballentine, DOFamily Medicine Physician1043387046
  4. Stephen Chang, MDFamily Medicine Physician1043715410
  5. Amanda Hall, NPNurse Practitioner1073023420
  6. Almoatazbellah Idriss, MDEndocrinology, Diabetes & Metabolism Physician1881649853

Verify Paul Genser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G32897    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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Paul Genser among 9,272 pediatrics physician records in California

Paul Genser, M.D. 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 updated2015 · 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).

Pediatrics Physician providers in California

There are 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 9,272 in California → Every provider in Tustin → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Calvin Chen, MDTustin, CA 927801831168111
  2. Aleen Chin, MDTustin, CA 927801912221656
  3. Ronald Cotliar, M.D.Tustin, CA 927801932192572
  4. Angela Dangvu, MDTustin, CA 927801841234978
  5. Usha Ganesan, M.D.Tustin, CA 927801659391134
  6. Lowell Gordon, M.D.Tustin, CA 927801548248065
  7. Valeria Kozak, MDTustin, CA 927801720057516
  8. Carlos Martinez, M.D.Tustin, CA 927801871741850

Common questions

What is Paul Genser, M.D.'s NPI number?

Paul Genser, M.D.'s National Provider Identifier (NPI) is 1154410629, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Paul Genser, M.D. located?

The NPPES record lists a practice address at 1451 Irvine Blvd, Tustin, CA, 92780. Phone: (714) 838-8878. Providers update this record themselves, so call before visiting.

How can I verify Paul Genser, M.D.'s license?

NPPES lists California license number G32897, 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.