Registry data as of Aug 27, 2026

John Jacobson, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Saint Helena, CA

John Jacobson, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Saint Helena, California, and NPI 1528048659, issued on Jan 17, 2006. Check the license (California G22916, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1528048659
Name
John Jacobson
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
G22916 CA
Self-reported in NPPES; status is on the state search
Practice location
6 Woodland RD, Saint Helena, CA 94574
Phone
(707) 963-6303
Enumerated
Jan 17, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6 Woodland RD

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

  1. Bruce Anderson, MDPsychiatry Physician1942276324
  2. Steven Bowen, PHARM.DPharmacist1780042812
  3. Carl Ermshar, M.D.Otolaryngology Physician1982799292
  4. Daniel Jackson, MDSpecialist1346217270
  5. Melody Kim, M.D.Psychiatry Physician1730297854
  6. Keils Kitchen, PA-CPhysician Assistant1033350442

Verify John Jacobson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G22916
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

5 thoracic surgery (cardiothoracic vascular surgery) physician records list a Saint Helena practice address

They are 5 of the 232 NPPES records with a Saint Helena practice address, and 516 thoracic surgery (cardiothoracic vascular surgery) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other thoracic surgery (cardiothoracic vascular surgery) physician records in California

  1. Kelechi Abanobi, M.DLos Angeles, CA1720236953
  2. Amir Abolhoda, MDOrange, CA1891875951
  3. Robert Adamson, M.D.San Diego, CA1043292584
  4. Ricardo Aguirre, MDDanville, CA1699739219
  5. Palash Aiyer, MDSan Francisco, CA1649832213
  6. Akbarshakh Akhmerov, MDWest Hollywood, CA1215464276
  7. Talal Al-Atassi, MD, CM, MPH, FRCSCLos Angeles, CA1871985309
  8. Mir Ali, MDSan Bernardino, CA1831301647
  9. Abdulaziz Alkhaldi, MDStanford, CA1366475188
  10. Bradley Allen, M.D.Los Angeles, CA1750309522

Common questions

What is John Jacobson, M.D.'s NPI number?

John Jacobson, M.D.'s National Provider Identifier (NPI) is 1528048659, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Jacobson, M.D. located?

The NPPES record lists a practice address at 6 Woodland RD, Saint Helena, CA, 94574. Phone: (707) 963-6303. Providers update this record themselves, so call before visiting.

How can I verify John Jacobson, M.D.'s license?

NPPES lists California license number G22916, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.