NPPES file of Aug 9, 2026

Gerald Benjamin Doersam, MD

Obstetrics & Gynecology Physician · Modesto, CA

Gerald Benjamin Doersam, MD is an obstetrics & gynecology physician with a practice address in Modesto, California, and NPI 1245525088, issued on Jun 9, 2011. Check the license (California A49166, 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
1245525088
Name
Gerald Benjamin Doersam
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
A49166 CA
08271 ZZ
Self-reported in NPPES; status is on the state search
Practice location
830 Scenic Dr, Modesto, CA 95350
Phone
(209) 558-7164
Enumerated
Jun 9, 2011
Record last updated
Jun 9, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(209) 558-8723
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 830 Scenic Dr

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

  1. Shirley Andrew, RN, PHNRegistered Nurse1649506452
  2. Dikran BairamianNeurological Surgery Physician1043398001
  3. Merry Baker-Pauluk, PHNRegistered Nurse1275869059
  4. Judy Berglin, RNRegistered Nurse1083940290
  5. Kathryn Bewick, PHNCase Manager/Care Coordinator1790965218
  6. Renette Bronken, RNRegistered Nurse1053647321

Verify Gerald Benjamin Doersam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A49166    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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Gerald Benjamin Doersam among 5,088 obstetrics & gynecology physician records in California

Gerald Benjamin Doersam, MD 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 2011, is newer than 72% of them.

  • NPI issued2011 · 72% of these records are older, 25% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2011 · 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 Modesto → Obstetrics & Gynecology Physician nationwide →

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

  1. Rebecca Brock, M.D.Modesto, CA 953501740213875
  2. Khary Dorsey, M.D.Modesto, CA 953501992017826
  3. Christopher Grover, MDModesto, CA 953501033192232
  4. Margaret Howe, MD/PHDModesto, CA 953501851679021
  5. Sabrina Hussain, M.D.Modesto, CA 953501629083902
  6. Lloyd Lee, M.D.Modesto, CA 953501336134303
  7. Lisa Murphy, MDModesto, CA 953501174506315
  8. John Pfeffer, M.D.Modesto, CA 953501851456602

Common questions

What is Gerald Benjamin Doersam, MD's NPI number?

Gerald Benjamin Doersam, MD's National Provider Identifier (NPI) is 1245525088, issued on Jun 9, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Gerald Benjamin Doersam, MD located?

The NPPES record lists a practice address at 830 Scenic Dr, Modesto, CA, 95350. Phone: (209) 558-7164. Providers update this record themselves, so call before visiting.

How can I verify Gerald Benjamin Doersam, MD's license?

NPPES lists California license number A49166, 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.