Jeffrey J. Guttas, M.D. a Medical Corporation
NPI 1891866869 · Cardiovascular Disease Physician · San Mateo, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey J. Guttas, M.D. a Medical Corporation is a Cardiovascular Disease Physician organization in San Mateo, CA (NPI 1891866869).
Provider details
- NPI number
- 1891866869
- Entity type
- Organization
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jeffrey Guttas, President(650) 696-4100
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2020-08-22
Frequently asked questions
- What is Jeffrey J. Guttas, M.D. a Medical Corporation's NPI number?
- Jeffrey J. Guttas, M.D. a Medical Corporation's National Provider Identifier (NPI) is 1891866869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jeffrey J. Guttas, M.D. a Medical Corporation?
- Jeffrey J. Guttas, M.D. a Medical Corporation is classified in the NPPES registry as Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey J. Guttas, M.D. a Medical Corporation located?
- Jeffrey J. Guttas, M.D. a Medical Corporation's practice location on file with NPPES is 100 S San Mateo Dr, San Mateo, CA 94401-3805.
- What is Jeffrey J. Guttas, M.D. a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey J. Guttas, M.D. a Medical Corporation is (650) 696-4100.
- Does Jeffrey J. Guttas, M.D. a Medical Corporation accept Medicare?
- Jeffrey J. Guttas, M.D. a Medical Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Jeffrey J. Guttas, M.D. a Medical Corporation?
- The authorized official listed on Jeffrey J. Guttas, M.D. a Medical Corporation's NPPES record is Jeffrey Guttas, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jeffrey J. Guttas, M.D. a Medical Corporation's NPI active?
- Yes — Jeffrey J. Guttas, M.D. a Medical Corporation's NPI (1891866869) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.