Alan James Zieg
Obstetrics & Gynecology Physician · San Diego, CA
Alan James Zieg is an obstetrics & gynecology physician with a practice address in San Diego, California, and NPI 1699790634, issued on Jul 12, 2006. Check the license (California G78814, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alan James Zieg
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G78814 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1809 National Ave, San Diego, CA 92113
- Phone
- (619) 515-2300
- Enumerated
- Jul 12, 2006
- Record last updated
- Dec 11, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (619) 234-2447
- Medicare enrollment
- Enrolled (PECOS I20100713000423); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1990
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1809 National Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline Acosta, RDNRegistered Dietitian1659135879
- Janice Acosta-Mariscal, OTR/LOccupational Therapist1194571984
- Hammad Afif, DDSDentist1932845385
- Marco Alegria, DDSDentist1437224466
- Carlos Alessandrini, NUTRITIONISTNutritionist1093268021
- Lysistrati Alimonos, D.O.Obstetrics & Gynecology Physician1619397031
Verify Alan James Zieg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Family Health Centers OF San Diego IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alan James Zieg among 5,088 obstetrics & gynecology physician records in California
Alan James Zieg 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. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1990 · median 2004 among the 2,700 with a school on file
- Record last updated2017 · 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.
All 5,088 in California → Every provider in San Diego → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Lysistrati Alimonos, D.O.San Diego, CA 921131619397031
- Charlene Buechner, M.D.San Diego, CA 921131376663831
- Laura Ceballos, M.D.San Diego, CA 921131275724841
- Marisa Gonzalez, M.D.San Diego, CA 921131083870463
- Rebekah Grant, M.D.San Diego, CA 921131326243833
- Lauren Hanley, MDSan Diego, CA 921131053392035
- Cindy Jaime, MDSan Diego, CA 921131568655785
- Lisa Lipschitz, MDSan Diego, CA 921131649208711
Common questions
What is Alan James Zieg's NPI number?
Alan James Zieg's National Provider Identifier (NPI) is 1699790634, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan James Zieg located?
The NPPES record lists a practice address at 1809 National Ave, San Diego, CA, 92113. Phone: (619) 515-2300. Providers update this record themselves, so call before visiting.
How can I verify Alan James Zieg's license?
NPPES lists California license number G78814, 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.
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.