Joanne Supersad, MD
NPI 1013096148 · Pediatric Adolescent Medicine Physician · Martinez, CA
Joanne Supersad, MD is a Pediatric Adolescent Medicine Physician provider in Martinez, CA (NPI 1013096148).
Provider details
- NPI number
- 1013096148
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G51939 (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
- 2007-07-08
Frequently asked questions
- What is Joanne Supersad's NPI number?
- Joanne Supersad's National Provider Identifier (NPI) is 1013096148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Supersad's specialty?
- Joanne Supersad is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joanne Supersad located?
- Joanne Supersad's practice location on file with NPPES is 200 Muir Rd, Martinez, CA 94553-4614.
- What is Joanne Supersad's phone number?
- The practice phone number listed in the NPPES registry for Joanne Supersad is (925) 372-1000.
- Is Joanne Supersad's NPI active?
- Yes — Joanne Supersad's NPI (1013096148) 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.