Gregg Jossart, M.D.
Surgery Physician · San Francisco, CA
Gregg Jossart, M.D. is a surgery physician with a practice address in San Francisco, California, and NPI 1518059229, issued on Sep 29, 2006. Check the license (California 630939, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregg Jossart
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 630939 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Van Ness Ave FL 5, San Francisco, CA 94109
- Phone
- (415) 600-0440
- Enumerated
- Sep 29, 2006
- Record last updated
- Jul 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (415) 369-1368
- Medicare enrollment
- Enrolled (PECOS I20101207000072); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 1100 Van Ness Ave FL 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregg Jossart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 630939Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average surgery physician in 2024
28 Medicare Part D claims for 21 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen13 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.
Industry payments in 2024: $611.24
8 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Sutter Bay Medical FoundationNovato, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregg Jossart among 3,118 surgery physician records in California
Gregg Jossart, M.D. is one of 3,118 surgery physician records with a practice address in California. 75% 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, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1991 · median 2003 among the 1,901 with a school on file
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in San Francisco → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Kelly Alexander, MDSan Francisco, CA 941091356377212
- William Bry, M.D.San Francisco, CA 941091346267002
- Ronald Clark, M.D.San Francisco, CA 941091477631919
- Samuel Esterkyn, M.D.San Francisco, CA 941091992884399
- Daniel McGrath, DOSan Francisco, CA 941091174652226
- Andre Campbell, MDSan Francisco, CA 941101306891064
- Melissa Coleman, M.D.San Francisco, CA 941101205093143
- Joseph CuschieriSan Francisco, CA 941101881770667
Common questions
What is Gregg Jossart, M.D.'s NPI number?
Gregg Jossart, M.D.'s National Provider Identifier (NPI) is 1518059229, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregg Jossart, M.D. located?
The NPPES record lists a practice address at 1100 Van Ness Ave FL 5, San Francisco, CA, 94109. Phone: (415) 600-0440. Providers update this record themselves, so call before visiting.
How can I verify Gregg Jossart, M.D.'s license?
NPPES lists California license number 630939, 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 Gregg Jossart, M.D. prescribe under Medicare Part D?
In 2024, Gregg Jossart, M.D. had 28 Medicare Part D claims for 21 beneficiaries; the average among surgery physician prescribers was 147. 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.