John Gragnani, MS,MA
NPI 1144374703 · Marriage & Family Therapist · Antioch, CA
John Gragnani, MS,MA is a Marriage & Family Therapist provider in Antioch, CA (NPI 1144374703).
Provider details
- NPI number
- 1144374703
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MS,MA
- Sex
- Male
- Sole proprietor
- No
- License
- MFC 34716 (CA)
Specialties & taxonomies
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
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
- 2007-01-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Gragnani's NPI number?
- John Gragnani's National Provider Identifier (NPI) is 1144374703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gragnani's specialty?
- John Gragnani is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is John Gragnani located?
- John Gragnani's practice location on file with NPPES is 3501 Lone Tree Way, Antioch, CA 94509-6066.
- What is John Gragnani's phone number?
- The practice phone number listed in the NPPES registry for John Gragnani is (925) 427-8664.
- Is John Gragnani's NPI active?
- Yes — John Gragnani's NPI (1144374703) 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.