Nathaniel Harrison, MSN, MPH, FNP-C
NPI 1831594639 · Family Nurse Practitioner · Seattle, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Harrison, MSN, MPH, FNP-C is a Family Nurse Practitioner provider in Seattle, WA (NPI 1831594639).
Provider details
- NPI number
- 1831594639
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, MPH, FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- AP60673439 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 118 | 44 |
| Lisinopril | 88 | 29 |
| Amlodipine Besylate | 85 | 28 |
| Levothyroxine Sodium | 32 | — |
| Losartan Potassium | 32 | 15 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 31 | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 1701 Divisadero St Ste 500San Francisco, CA 94115-3011Phone: (415) 353-7900Fax: (415) 353-7901
Registry dates
- Enumerated
- 2014-10-23
- Last updated
- 2025-01-08
- Certified
- 2025-01-08
Frequently asked questions
- What is Nathaniel Harrison's NPI number?
- Nathaniel Harrison's National Provider Identifier (NPI) is 1831594639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Harrison's specialty?
- Nathaniel Harrison is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nathaniel Harrison located?
- Nathaniel Harrison's practice location on file with NPPES is 6020 35th Ave Sw, Seattle, WA 98126-3002.
- What is Nathaniel Harrison's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Harrison is (206) 461-6950.
- Does Nathaniel Harrison accept Medicare?
- Nathaniel Harrison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Harrison's NPI active?
- Yes — Nathaniel Harrison's NPI (1831594639) is active in the NPPES registry as of the last update on 2025-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.