IndividualActive
Mark Duff
NPI 1457210684 · Wound Care Registered Nurse · Salem, VA
Mark Duff is a Wound Care Registered Nurse provider in Salem, VA (NPI 1457210684).
Provider details
- NPI number
- 1457210684
- Entity type
- Individual
- Primary specialty
- Wound Care Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0001185611 (VA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
1970 Roanoke Blvd
Salem, VA 24153-6404
Phone: (540) 982-2463
Fax: (540) 244-1944
Street-level locationGet directions
Mailing address
6151 Renoir Ln
Roanoke, VA 24018-5298
Registry dates
- Enumerated
- 2026-01-22
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Mark Duff's NPI number?
- Mark Duff's National Provider Identifier (NPI) is 1457210684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Duff's specialty?
- Mark Duff is listed in the NPPES registry with a primary specialty of Wound Care Registered Nurse (Nursing Service Providers).
- Where is Mark Duff located?
- Mark Duff's practice location on file with NPPES is 1970 Roanoke Blvd, Salem, VA 24153-6404.
- What is Mark Duff's phone number?
- The practice phone number listed in the NPPES registry for Mark Duff is (540) 982-2463.
- Is Mark Duff's NPI active?
- Yes — Mark Duff's NPI (1457210684) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.