Cynthia Sperberg-Hart
NPI 1720225444 · Counselor · Concord, CA
Cynthia Sperberg-Hart is a Counselor provider in Concord, CA (NPI 1720225444).
Provider details
- NPI number
- 1720225444
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Social Worker104100000X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2009-01-16
- Last updated
- 2009-01-17
Frequently asked questions
- What is Cynthia Sperberg-Hart's NPI number?
- Cynthia Sperberg-Hart's National Provider Identifier (NPI) is 1720225444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Sperberg-Hart's specialty?
- Cynthia Sperberg-Hart is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Cynthia Sperberg-Hart located?
- Cynthia Sperberg-Hart's practice location on file with NPPES is 1034 Oak Grove Rd, Concord, CA 94518-3225.
- What is Cynthia Sperberg-Hart's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Sperberg-Hart is (925) 603-1900.
- Is Cynthia Sperberg-Hart's NPI active?
- Yes — Cynthia Sperberg-Hart's NPI (1720225444) is active in the NPPES registry as of the last update on 2009-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.