Gregory Calderon
NPI 1659678431 · Addiction (Substance Use Disorder) Counselor · Fresno, CA
Gregory Calderon is a Addiction (Substance Use Disorder) Counselor provider in Fresno, CA (NPI 1659678431).
Provider details
- NPI number
- 1659678431
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
15 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
- 2011-02-14
- Last updated
- 2011-02-14
Frequently asked questions
- What is Gregory Calderon's NPI number?
- Gregory Calderon's National Provider Identifier (NPI) is 1659678431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Calderon's specialty?
- Gregory Calderon is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Gregory Calderon located?
- Gregory Calderon's practice location on file with NPPES is 7170 N Financial Dr, Fresno, CA 93720-2939.
- What is Gregory Calderon's phone number?
- The practice phone number listed in the NPPES registry for Gregory Calderon is (559) 221-8100.
- Is Gregory Calderon's NPI active?
- Yes — Gregory Calderon's NPI (1659678431) is active in the NPPES registry as of the last update on 2011-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.