Jeannine O'Brien, PA-C
NPI 1598879793 · Surgical Physician Assistant · Carmichael, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeannine O'Brien, PA-C is a Surgical Physician Assistant provider in Carmichael, CA (NPI 1598879793).
Provider details
- NPI number
- 1598879793
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA14186 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-08-18
- Last updated
- 2016-05-09
Frequently asked questions
- What is Jeannine O'Brien's NPI number?
- Jeannine O'Brien's National Provider Identifier (NPI) is 1598879793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeannine O'Brien's specialty?
- Jeannine O'Brien is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jeannine O'Brien located?
- Jeannine O'Brien's practice location on file with NPPES is 6555 Coyle Ave, Carmichael, CA 95608-0302.
- What is Jeannine O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Jeannine O'Brien is (916) 200-0087.
- Does Jeannine O'Brien accept Medicare?
- Jeannine O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeannine O'Brien's NPI active?
- Yes — Jeannine O'Brien's NPI (1598879793) is active in the NPPES registry as of the last update on 2016-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.