Jack Hsiao, MD
Obstetrics & Gynecology Physician · San Diego, CA
Jack Hsiao, MD is an obstetrics & gynecology physician with a practice address in San Diego, California, and NPI 1477633287, issued on Oct 16, 2006. Check the license (California G83383, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jack Hsiao
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G83383 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10243 Genetic Center Dr, San Diego, CA 92121
- Phone
- (858) 499-2702
- Enumerated
- Oct 16, 2006
- Record last updated
- Jun 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (858) 526-6113
- Medicaid ID
- 00G833830 CA
- Medicare enrollment
- Enrolled (PECOS I20061122000505); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 10243 Genetic Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Eli BesserEmergency Medicine Physician1659843738
- Stanley Besser, M.D.Family Medicine Physician1760490031
Verify Jack Hsiao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
44 Medicare Part D claims for 15 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $143.24
1 payment: food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sharp Rees-Stealy Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jack Hsiao among 5,088 obstetrics & gynecology physician records in California
Jack Hsiao, 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. 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
- Graduated1992 · median 2004 among the 2,700 with a school on file
- Record last updated2013 · 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
- Vera Ann Barile, M.D.San Diego, CA 921211275630204
- Kim Bui, MDSan Diego, CA 921211235244252
- Peter Dietze, MDSan Diego, CA 921211336259290
- Stephen Dimarzo, M.D.San Diego, CA 921211366479461
- Valerie Gafori, M.D.San Diego, CA 921211003853029
- Nancy Grauer, M.D.San Diego, CA 921211740216167
- Laurie Greenberg, MDSan Diego, CA 921211265470595
- Heather Gunnarson, MDSan Diego, CA 921211578587739
Common questions
What is Jack Hsiao, MD's NPI number?
Jack Hsiao, MD's National Provider Identifier (NPI) is 1477633287, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jack Hsiao, MD located?
The NPPES record lists a practice address at 10243 Genetic Center Dr, San Diego, CA, 92121. Phone: (858) 499-2702. Providers update this record themselves, so call before visiting.
How can I verify Jack Hsiao, MD's license?
NPPES lists California license number G83383, 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 Jack Hsiao, MD prescribe under Medicare Part D?
In 2024, Jack Hsiao, MD had 44 Medicare Part D claims for 15 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Jack Hsiao, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.