Theresa Nielsen, FNP
NPI 1851462717 · Family Nurse Practitioner · Ketchikan, AK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa Nielsen, FNP is a Family Nurse Practitioner provider in Ketchikan, AK (NPI 1851462717).
Provider details
- NPI number
- 1851462717
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP128179 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
19 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
- 2006-11-13
- Last updated
- 2016-09-06
Frequently asked questions
- What is Theresa Nielsen's NPI number?
- Theresa Nielsen's National Provider Identifier (NPI) is 1851462717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Nielsen's specialty?
- Theresa Nielsen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Theresa Nielsen located?
- Theresa Nielsen's practice location on file with NPPES is 2960 Tongass Ave, Ketchikan, AK 99901-5742.
- What is Theresa Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Theresa Nielsen is (907) 228-4900.
- Does Theresa Nielsen accept Medicare?
- Theresa Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa Nielsen's NPI active?
- Yes — Theresa Nielsen's NPI (1851462717) is active in the NPPES registry as of the last update on 2016-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.