IndividualActive
John Duff
NPI 1952772337 · Mental Health Counselor · Mcalester, OK
John Duff is a Mental Health Counselor provider in Mcalester, OK (NPI 1952772337).
Provider details
- NPI number
- 1952772337
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(66/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
1101 E Monroe Ave
Mcalester, OK 74501-4815
Phone: (918) 426-7800
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 579
Mcalester, OK 74502-0579
Registry dates
- Enumerated
- 2015-10-12
- Last updated
- 2015-10-12
Frequently asked questions
- What is John Duff's NPI number?
- John Duff's National Provider Identifier (NPI) is 1952772337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Duff's specialty?
- John Duff is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Duff located?
- John Duff's practice location on file with NPPES is 1101 E Monroe Ave, Mcalester, OK 74501-4815.
- What is John Duff's phone number?
- The practice phone number listed in the NPPES registry for John Duff is (918) 426-7800.
- Is John Duff's NPI active?
- Yes — John Duff's NPI (1952772337) is active in the NPPES registry as of the last update on 2015-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.