Mary Duff, ARNP
NPI 1013987585 · Nurse Practitioner · Coeur D Alene, ID
Mary Duff, ARNP is a Nurse Practitioner provider in Coeur D Alene, ID (NPI 1013987585).
Provider details
- NPI number
- 1013987585
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- NP303A (ID)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-01-25
- Last updated
- 2010-01-11
Frequently asked questions
- What is Mary Duff's NPI number?
- Mary Duff's National Provider Identifier (NPI) is 1013987585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Duff's specialty?
- Mary Duff is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Duff located?
- Mary Duff's practice location on file with NPPES is 920 W Ironwood Dr, Coeur D Alene, ID 83814-2463.
- What is Mary Duff's phone number?
- The practice phone number listed in the NPPES registry for Mary Duff is (208) 667-4557.
- Is Mary Duff's NPI active?
- Yes — Mary Duff's NPI (1013987585) is active in the NPPES registry as of the last update on 2010-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.