Mark Seaver, MD
NPI 1669551701 · Obstetrics & Gynecology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Seaver, MD is a Obstetrics & Gynecology Physician provider in Sacramento, CA (NPI 1669551701).
Provider details
- NPI number
- 1669551701
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A68988 (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
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
- 2006-11-02
- Last updated
- 2021-12-06
Frequently asked questions
- What is Mark Seaver's NPI number?
- Mark Seaver's National Provider Identifier (NPI) is 1669551701, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Seaver's specialty?
- Mark Seaver is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Seaver located?
- Mark Seaver's practice location on file with NPPES is 2025 Morse Ave, Sacramento, CA 95825-2115.
- What is Mark Seaver's phone number?
- The practice phone number listed in the NPPES registry for Mark Seaver is (916) 973-5000.
- Does Mark Seaver accept Medicare?
- Mark Seaver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Seaver's NPI active?
- Yes — Mark Seaver's NPI (1669551701) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.