Christopher Duffy
NPI 1649522061 · Peer Specialist · Riverside, CA
Christopher Duffy is a Peer Specialist provider in Riverside, CA (NPI 1649522061).
Provider details
- NPI number
- 1649522061
- Entity type
- Individual
- Primary specialty
- Peer SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
- Peer Specialist175T00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-10-09
- Last updated
- 2023-03-06
- Certified
- 2023-03-06
Frequently asked questions
- What is Christopher Duffy's NPI number?
- Christopher Duffy's National Provider Identifier (NPI) is 1649522061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Duffy's specialty?
- Christopher Duffy is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).
- Where is Christopher Duffy located?
- Christopher Duffy's practice location on file with NPPES is 5870 Arlington Ave, Riverside, CA 92504-2037.
- What is Christopher Duffy's phone number?
- The practice phone number listed in the NPPES registry for Christopher Duffy is (866) 218-4697.
- Is Christopher Duffy's NPI active?
- Yes — Christopher Duffy's NPI (1649522061) is active in the NPPES registry as of the last update on 2023-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.