Sondra J Altman MD Inc a Professional Corporation
NPI 1720300197 · Gynecology Physician · Walnut Creek, CA
Sondra J Altman MD Inc a Professional Corporation is a Gynecology Physician organization in Walnut Creek, CA (NPI 1720300197).
Provider details
- NPI number
- 1720300197
- Entity type
- Organization
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sondra Altman, Ceo(925) 947-5945
- License
- G44014 (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
16 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
- 2010-02-25
- Last updated
- 2010-06-16
Frequently asked questions
- What is Sondra J Altman MD Inc a Professional Corporation's NPI number?
- Sondra J Altman MD Inc a Professional Corporation's National Provider Identifier (NPI) is 1720300197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sondra J Altman MD Inc a Professional Corporation?
- Sondra J Altman MD Inc a Professional Corporation is classified in the NPPES registry as Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Sondra J Altman MD Inc a Professional Corporation located?
- Sondra J Altman MD Inc a Professional Corporation's practice location on file with NPPES is 120 La Casa Via, Walnut Creek, CA 94598-3067.
- What is Sondra J Altman MD Inc a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Sondra J Altman MD Inc a Professional Corporation is (925) 947-5945.
- Who is the authorized official for Sondra J Altman MD Inc a Professional Corporation?
- The authorized official listed on Sondra J Altman MD Inc a Professional Corporation's NPPES record is Sondra Altman, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sondra J Altman MD Inc a Professional Corporation's NPI active?
- Yes — Sondra J Altman MD Inc a Professional Corporation's NPI (1720300197) is active in the NPPES registry as of the last update on 2010-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.