NPPES file of Aug 9, 2026

Geneen T. Gin, DO

Family Medicine Physician · San Diego, CA

Geneen T. Gin, DO is a family medicine physician with a practice address in San Diego, California, and NPI 1144255217, issued on Jul 11, 2006. Check the license (California 20A9074, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144255217
Name
Geneen T. Gin
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
20A9074 CA
OP00002107 WA
Self-reported in NPPES; status is on the state search
Practice location
9909 Mira Mesa Blvd, San Diego, CA 92131
Phone
(858) 657-7750
Enumerated
Jul 11, 2006
Record last updated
Sep 20, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(858) 566-5464
Medicare enrollment
Enrolled (PECOS I20071027000078); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 9909 Mira Mesa Blvd

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

  1. Timothy Barounis, M.D.Family Medicine Physician1790966877
  2. Nicole Daher, DPTPhysical Therapist1790155844
  3. Jenee James, LMFTMarriage & Family Therapist1538602180
  4. Jonathan Jaro, PTPhysical Therapist1306896717
  5. Calvin Jung, DPTPhysical Therapist1972997690
  6. Shai Ly, D.P.T.Physical Therapist1356391692

Verify Geneen T. Gin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A9074
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

88% fewer Medicare Part D claims than the average family medicine physician in 2024

412 Medicare Part D claims for 57 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Geneen Gin412
  2. Specialty average3,544

Most prescribed

  1. Rosuvastatin Calcium31 claims
  2. Lisinopril25 claims
  3. Atorvastatin Calcium24 claims
  4. Amlodipine Besylate22 claims
  5. Gabapentin15 claims
  6. Jardiance15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaSan Diego, CA

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

Geneen T. Gin among 17,133 family medicine physician records in California

Geneen T. Gin, DO is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2003 · median 2005 among the 10,652 with a school on file
  • Record last updated2007 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

780 family medicine physician records list a practice address in San Diego

They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Timothy Barounis, M.D.San Diego, CA 921311790966877
  2. Angelica Bayardo, MDSan Diego, CA 921311023157724
  3. Neil Berkowitz, MDSan Diego, CA 921311750451035
  4. Nicole Chauche, M.D.San Diego, CA 921311053452300
  5. Keegan Duchicela, M.D.San Diego, CA 921311053552075
  6. Adrienne Ertl, M.D.San Diego, CA 921311427126895
  7. Allison Flaim, DOSan Diego, CA 921311114149853
  8. Kristin Hampshire, M.D.San Diego, CA 921311629088620

Common questions

What is Geneen T. Gin, DO's NPI number?

Geneen T. Gin, DO's National Provider Identifier (NPI) is 1144255217, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Geneen T. Gin, DO located?

The NPPES record lists a practice address at 9909 Mira Mesa Blvd, San Diego, CA, 92131. Phone: (858) 657-7750. Providers update this record themselves, so call before visiting.

How can I verify Geneen T. Gin, DO's license?

NPPES lists California license number 20A9074, 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.

How much does Geneen T. Gin, DO prescribe under Medicare Part D?

In 2024, Geneen T. Gin, DO had 412 Medicare Part D claims for 57 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.