Karen Jacobson, MD
NPI 1396130464 · Infectious Disease Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Jacobson, MD is a Infectious Disease Physician provider in Stanford, CA (NPI 1396130464).
Provider details
- NPI number
- 1396130464
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A156611 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 1301 Pinole Valley RdPinole, CA 94564-1384Phone: (510) 243-4000
- 330 Cedar StFmp 101New Haven, CT 06510Phone: (858) 354-7892
Registry dates
- Enumerated
- 2015-04-05
- Last updated
- 2024-04-26
- Certified
- 2024-04-26
Frequently asked questions
- What is Karen Jacobson's NPI number?
- Karen Jacobson's National Provider Identifier (NPI) is 1396130464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Jacobson's specialty?
- Karen Jacobson is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Jacobson located?
- Karen Jacobson's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Karen Jacobson's phone number?
- The practice phone number listed in the NPPES registry for Karen Jacobson is (650) 723-4000.
- Does Karen Jacobson accept Medicare?
- Karen Jacobson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Jacobson's NPI active?
- Yes — Karen Jacobson's NPI (1396130464) is active in the NPPES registry as of the last update on 2024-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.