Ricky Diffenderfer
NPI 1982888517 · Addiction (Substance Use Disorder) Counselor · Morgan Hill, CA
Ricky Diffenderfer is a Addiction (Substance Use Disorder) Counselor provider in Morgan Hill, CA (NPI 1982888517).
Provider details
- NPI number
- 1982888517
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
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
18 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
- 2007-12-18
- Last updated
- 2007-12-18
Frequently asked questions
- What is Ricky Diffenderfer's NPI number?
- Ricky Diffenderfer's National Provider Identifier (NPI) is 1982888517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ricky Diffenderfer's specialty?
- Ricky Diffenderfer is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Ricky Diffenderfer located?
- Ricky Diffenderfer's practice location on file with NPPES is 18217 Hale Ave, Morgan Hill, CA 95037-3550.
- What is Ricky Diffenderfer's phone number?
- The practice phone number listed in the NPPES registry for Ricky Diffenderfer is (408) 465-8280.
- Is Ricky Diffenderfer's NPI active?
- Yes — Ricky Diffenderfer's NPI (1982888517) is active in the NPPES registry as of the last update on 2007-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.