John Gravelle
NPI 1619662079 · Addiction (Substance Use Disorder) Counselor · Sacramento, CA
John Gravelle is a Addiction (Substance Use Disorder) Counselor provider in Sacramento, CA (NPI 1619662079).
Provider details
- NPI number
- 1619662079
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- R1498950323 (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
3 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
- 2023-04-10
- Last updated
- 2023-04-10
- Certified
- 2023-04-10
Frequently asked questions
- What is John Gravelle's NPI number?
- John Gravelle's National Provider Identifier (NPI) is 1619662079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gravelle's specialty?
- John Gravelle is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Gravelle located?
- John Gravelle's practice location on file with NPPES is 3600 Power Inn Rd Ste C, Sacramento, CA 95826-3826.
- What is John Gravelle's phone number?
- The practice phone number listed in the NPPES registry for John Gravelle is (916) 453-2708.
- Is John Gravelle's NPI active?
- Yes — John Gravelle's NPI (1619662079) is active in the NPPES registry as of the last update on 2023-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.