Nathaniel J. Harrison, MSN, MPH, FNP-C
Family Nurse Practitioner · Seattle, WA
Nathaniel J. Harrison, MSN, MPH, FNP-C is a family nurse practitioner with a practice address in Seattle, Washington, and NPI 1831594639, issued on Oct 23, 2014. Check the license (Washington AP60673439, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathaniel J. Harrison
- Credential
- MSN, MPH, FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- AP60673439 WA
NP95003298 CA
AP126455 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6020 35TH Ave SW, Seattle, WA 98126
- Phone
- (206) 461-6950
- Enumerated
- Oct 23, 2014
- Record last updated
- Jan 8, 2025
- Fax
- (206) 461-8542
- Medicare enrollment
- Enrolled (PECOS I20241230001155); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,781 in Washington → Look up another NPI →
Also registered at 6020 35TH Ave SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathaniel J. Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60673439Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,285 Medicare Part D claims for 167 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 20 claims were for opioids.
Most prescribed
- Atorvastatin Calcium118 claims
- Lisinopril88 claims
- Amlodipine Besylate85 claims
- Levothyroxine Sodium32 claims
- Losartan Potassium32 claims
- Albuterol Sulfate Hfa31 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel J. Harrison among 3,781 family nurse practitioner records in Washington
Nathaniel J. Harrison, MSN, MPH, FNP-C is one of 3,781 family nurse practitioner records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 40% of them.
- NPI issued2014 · 40% of these records are older, 57% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2014 · median 2018 among the 2,116 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
663 family nurse practitioner records list a practice address in Seattle
They are 663 of the 41,956 NPPES records with a practice address in Seattle, and 3,781 family nurse practitioner records in Washington.
All 3,781 in Washington → Every provider in Seattle → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Christopher Borgia, DNPSeattle, WA 981261063025476
- Michel Couret, RN, MSN, ARNPSeattle, WA 981261699768648
- Denise EnglehartSeattle, WA 981261295133429
- Ann Frolich, ARNPSeattle, WA 981261033253760
- Grace Grymes Chapman, DNPSeattle, WA 981261083692206
- Johann Gurnell, ARNPSeattle, WA 981261659602175
- Medea Karr, N.P.Seattle, WA 981261487719597
- Kate Brigitte Misa, APRNSeattle, WA 981261962224576
Common questions
What is Nathaniel J. Harrison, MSN, MPH, FNP-C's NPI number?
Nathaniel J. Harrison, MSN, MPH, FNP-C's National Provider Identifier (NPI) is 1831594639, issued on Oct 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel J. Harrison, MSN, MPH, FNP-C located?
The NPPES record lists a practice address at 6020 35TH Ave SW, Seattle, WA, 98126. Phone: (206) 461-6950. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel J. Harrison, MSN, MPH, FNP-C's license?
NPPES lists Washington license number AP60673439, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Nathaniel J. Harrison, MSN, MPH, FNP-C prescribe under Medicare Part D?
In 2024, Nathaniel J. Harrison, MSN, MPH, FNP-C had 1,285 Medicare Part D claims for 167 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.