Mark Patterson, MD
NPI 1063590677 · Obstetrics & Gynecology Physician · Walnut Creek, CA
Mark Patterson, MD is a Obstetrics & Gynecology Physician provider in Walnut Creek, CA (NPI 1063590677).
Provider details
- NPI number
- 1063590677
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G35400 (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
- 2006-11-01
- Last updated
- 2019-03-27
Frequently asked questions
- What is Mark Patterson's NPI number?
- Mark Patterson's National Provider Identifier (NPI) is 1063590677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Patterson's specialty?
- Mark Patterson is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Patterson located?
- Mark Patterson's practice location on file with NPPES is 2657 Saklan Indian Dr Apt 2, Walnut Creek, CA 94595-3026.
- What is Mark Patterson's phone number?
- The practice phone number listed in the NPPES registry for Mark Patterson is (925) 954-8960.
- Is Mark Patterson's NPI active?
- Yes — Mark Patterson's NPI (1063590677) is active in the NPPES registry as of the last update on 2019-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.