Callie Gregg
NPI 1134517220 · Addiction (Substance Use Disorder) Counselor · San Jose, CA
Callie Gregg is a Addiction (Substance Use Disorder) Counselor provider in San Jose, CA (NPI 1134517220).
Provider details
- NPI number
- 1134517220
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RI-G1307201216 (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
11 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
- 2014-12-26
- Last updated
- 2014-12-26
Frequently asked questions
- What is Callie Gregg's NPI number?
- Callie Gregg's National Provider Identifier (NPI) is 1134517220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Callie Gregg's specialty?
- Callie Gregg is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Callie Gregg located?
- Callie Gregg's practice location on file with NPPES is 1340 Tully Rd., San Jose, CA 95122.
- What is Callie Gregg's phone number?
- The practice phone number listed in the NPPES registry for Callie Gregg is (408) 271-3960.
- Is Callie Gregg's NPI active?
- Yes — Callie Gregg's NPI (1134517220) is active in the NPPES registry as of the last update on 2014-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.