Jeffrey Breneisen MD Inc.
NPI 1851626394 · Cardiovascular Disease Physician · Fairfield, CA
Jeffrey Breneisen MD Inc. is a Cardiovascular Disease Physician organization in Fairfield, CA (NPI 1851626394).
Provider details
- NPI number
- 1851626394
- Entity type
- Organization
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jeffrey Breneisen, President(707) 426-4696
- License
- G86677 (CA)
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
16 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
- 2009-10-15
- Last updated
- 2009-10-15
Frequently asked questions
- What is Jeffrey Breneisen MD Inc.'s NPI number?
- Jeffrey Breneisen MD Inc.'s National Provider Identifier (NPI) is 1851626394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jeffrey Breneisen MD Inc.?
- Jeffrey Breneisen MD Inc. is classified in the NPPES registry as Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Breneisen MD Inc. located?
- Jeffrey Breneisen MD Inc.'s practice location on file with NPPES is 1261 Travis Blvd, Fairfield, CA 94533-4897.
- What is Jeffrey Breneisen MD Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Breneisen MD Inc. is (707) 426-4696.
- Who is the authorized official for Jeffrey Breneisen MD Inc.?
- The authorized official listed on Jeffrey Breneisen MD Inc.'s NPPES record is Jeffrey Breneisen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jeffrey Breneisen MD Inc.'s NPI active?
- Yes — Jeffrey Breneisen MD Inc.'s NPI (1851626394) is active in the NPPES registry as of the last update on 2009-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.