Susan J Spencer, MD, Inc
NPI 1528235199 · Obstetrics & Gynecology Physician · San Mateo, CA
Susan J Spencer, MD, Inc is a Obstetrics & Gynecology Physician organization in San Mateo, CA (NPI 1528235199).
Provider details
- NPI number
- 1528235199
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Susan Spencer, President(650) 344-3325
- License
- G065695 (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
18 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
- 2008-05-13
- Last updated
- 2010-08-27
Frequently asked questions
- What is Susan J Spencer, MD, Inc's NPI number?
- Susan J Spencer, MD, Inc's National Provider Identifier (NPI) is 1528235199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Susan J Spencer, MD, Inc?
- Susan J Spencer, MD, Inc is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Susan J Spencer, MD, Inc located?
- Susan J Spencer, MD, Inc's practice location on file with NPPES is 101 S San Mateo Dr Ste 112, San Mateo, CA 94401-3840.
- What is Susan J Spencer, MD, Inc's phone number?
- The practice phone number listed in the NPPES registry for Susan J Spencer, MD, Inc is (650) 344-3325.
- Who is the authorized official for Susan J Spencer, MD, Inc?
- The authorized official listed on Susan J Spencer, MD, Inc's NPPES record is Susan Spencer, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Susan J Spencer, MD, Inc's NPI active?
- Yes — Susan J Spencer, MD, Inc's NPI (1528235199) is active in the NPPES registry as of the last update on 2010-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.