Andrew Nimmich, M.D.
Vascular Surgery Physician · Napa, CA
Andrew Nimmich, M.D. is a vascular surgery physician with a practice address in Napa, California, and NPI 1396238945, issued on Jun 8, 2018. Check the license (California A198961, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew Nimmich
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License numbers
- A198961 CA
U0818 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4 Financial Plz, Napa, CA 94558
- Phone
- (843) 469-9196
- Enumerated
- Jun 8, 2018
- Record last updated
- Feb 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20241028001924); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4 Financial Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Cunningham, MDSurgery Physician1891763553
- Lawrence Goldstein, MDVascular Surgery Physician1972571636
- Nicolas Wozmak, M.D.Anesthesiology Physician1467619353
Verify Andrew Nimmich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A198961Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average vascular surgery physician in 2024
246 Medicare Part D claims for 132 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D.
Most prescribed
- Clopidogrel185 claims
- Xarelto40 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: $134.43
3 payments; by number, the most common kind was food and beverage; the largest payer was Philips North America LLC. The 4,059 providers of this specialty with any payment received $6,178.00 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
- Bass Medical GroupNapa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vascular Surgery Physician providers in California
There are 580 vascular surgery physician records in California.
Other vascular surgery physician records in California
- Oliver Aalami, M.D.Stanford, CA1225229024
- Shahram Aarabi, MDOakland, CA1972700458
- Arad Abadi, MDLancaster, CA1730673724
- Ryan Abdul-HaqqWest Hollywood, CA1386087864
- Andrew Abi-Chaker, M.D.Sherman Oaks, CA1528488467
- Ahmed Abou-Zamzam, M.D.Loma Linda, CA1558306795
- Joseph Abu-Dalu, MDLos Angeles, CA1821157587
- Queen Abure, MDSan Francisco, CA1710772074
- Riad Adoumie, M.D.Torrance, CA1467465930
- Massoud Agahi, M.D.Beverly Hills, CA1952367070
Common questions
What is Andrew Nimmich, M.D.'s NPI number?
Andrew Nimmich, M.D.'s National Provider Identifier (NPI) is 1396238945, issued on Jun 8, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Nimmich, M.D. located?
The NPPES record lists a practice address at 4 Financial Plz, Napa, CA, 94558. Phone: (843) 469-9196. Providers update this record themselves, so call before visiting.
How can I verify Andrew Nimmich, M.D.'s license?
NPPES lists California license number A198961, 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 Andrew Nimmich, M.D. prescribe under Medicare Part D?
In 2024, Andrew Nimmich, M.D. had 246 Medicare Part D claims for 132 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.