Karen Blake Jacobson, MD
Infectious Disease Physician · Stanford, CA
Karen Blake Jacobson, MD is an infectious disease physician with a practice address in Stanford, California, and NPI 1396130464, issued on Apr 5, 2015. Check the license (California A156611, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Blake Jacobson
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A156611 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Apr 5, 2015
- Record last updated
- Apr 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20181002003091); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2015
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cooper Aakhus, MDEmergency Medicine Physician1194351007
- Oliver Aalami, M.D.Vascular Surgery Physician1225229024
- Alistair Aaronson, MDInternal Medicine Physician1457628760
- Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
- Fahim Abbasi, M.D.Internal Medicine Physician1841484037
- Mohamad Abbass, MDNeurological Surgery Physician1679492151
Verify Karen Blake Jacobson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A156611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncPinole, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Blake Jacobson among 1,119 infectious disease physician records in California
Karen Blake Jacobson, MD is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 82% of them.
- NPI issued2015 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2015 · median 2003 among the 735 with a school on file
- Record last updated2024 · 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 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
58 infectious disease physician records list a practice address in Stanford
They are 58 of the 5,606 NPPES records with a practice address in Stanford, and 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Stanford → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Eran Bendavid, MDStanford, CA 943051144330069
- Brian Blackburn, MDStanford, CA 943051861542680
- Catherine Blish, MDStanford, CA 943051710067285
- Hector Bonilla, MDStanford, CA 943051225115371
- Philip Grant, MDStanford, CA 943051205949070
- Michael Harbour, MDStanford, CA 943051013022169
- Dora Ho, MDStanford, CA 943051619032224
- Shanthi Kappagoda, M.D.Stanford, CA 943051720195381
Common questions
What is Karen Blake Jacobson, MD's NPI number?
Karen Blake Jacobson, MD's National Provider Identifier (NPI) is 1396130464, issued on Apr 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Karen Blake Jacobson, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Karen Blake Jacobson, MD's license?
NPPES lists California license number A156611, 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), 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.