Karen Simpson, MD
NPI 1316019128 · Obstetrics & Gynecology Physician · Pleasanton, CA
Karen Simpson, MD is a Obstetrics & Gynecology Physician provider in Pleasanton, CA (NPI 1316019128).
Provider details
- NPI number
- 1316019128
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G56987 (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
- 2006-11-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Simpson's NPI number?
- Karen Simpson's National Provider Identifier (NPI) is 1316019128, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Simpson's specialty?
- Karen Simpson is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Simpson located?
- Karen Simpson's practice location on file with NPPES is 7601 Stoneridge Dr, Pleasanton, CA 94588-4501.
- What is Karen Simpson's phone number?
- The practice phone number listed in the NPPES registry for Karen Simpson is (925) 847-5000.
- Is Karen Simpson's NPI active?
- Yes — Karen Simpson's NPI (1316019128) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.