Ian Patrick Hoffman, MD
Family Medicine Physician · Oakland, CA
Ian Patrick Hoffman, MD is a family medicine physician with a practice address in Oakland, California, and NPI 1457550956, issued on Jul 13, 2007. Check the license (California A101932, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ian Patrick Hoffman
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A101932 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3451 E. 12TH Street, Oakland, CA 94601
- Phone
- (510) 535-3319
- Enumerated
- Jul 13, 2007
- Record last updated
- Mar 16, 2022
- Fax
- (510) 535-4187
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3451 E. 12TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edessa Diaz, FNPFamily Nurse Practitioner1427264563
- Jeannette Hilgert, LCSWClinical Social Worker1720231178
- Maria Massella Hernandez, NPFamily Medicine Physician1962917377
Verify Ian Patrick Hoffman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A101932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
12 Medicare Part D claims, against an average of 3,544 among the 117,163 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.
Ian Patrick Hoffman among 17,133 family medicine physician records in California
Ian Patrick Hoffman, MD 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2022 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Oakland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Paul Bayard, MDOakland, CA 946011922101237
- Barbara Benzwi, MDOakland, CA 946011063512317
- Jaime Cortes, MDOakland, CA 946011265587778
- Asano Fertig, MDOakland, CA 946011013017268
- Christine Fratino, DOOakland, CA 946011841398542
- Thomas Halligan, MDOakland, CA 946011457454761
- Irene Kelly, MDOakland, CA 946011386747509
- Jill LeggOakland, CA 946011881771624
Common questions
What is Ian Patrick Hoffman, MD's NPI number?
Ian Patrick Hoffman, MD's National Provider Identifier (NPI) is 1457550956, issued on Jul 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ian Patrick Hoffman, MD located?
The NPPES record lists a practice address at 3451 E. 12TH Street, Oakland, CA, 94601. Phone: (510) 535-3319. Providers update this record themselves, so call before visiting.
How can I verify Ian Patrick Hoffman, MD's license?
NPPES lists California license number A101932, 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 Ian Patrick Hoffman, MD prescribe under Medicare Part D?
In 2024, Ian Patrick Hoffman, MD had 12 Medicare Part D claims; 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.