Doctor profile · Federal record

Dr. Nathaniel Harrison, MSN, MPH, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Family Nurse Practitioner · Seattle, WA

  • NPI 1831594639
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6020 35Th Ave Sw
Seattle, WA 981263002
(206) 461-6950
fax (206) 461-8542
Additional location
1701 Divisadero St Ste 500
San Francisco, CA 941153011
(415) 353-7900
fax (415) 353-7901
Mailing address
1200 12Th Ave S, Suite 901
Seattle, WA 981442712

Credentials & registration

NPPES · NUCC
NPI registered
October 2014 — 12 yrs on file
Profile last updated
January 8, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (3)
California #NP95003298 · Washington #AP60673439 · Texas #AP126455

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831594639. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13
Distinct HCPCS
1
Medicare allowed
$124
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 13 11 $10

In context: peer comparison

Among 82 peers in this city , average services per provider: 58. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
818
Patients
234
Total drug cost
$14,357
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 147 45 $1,941
Lisinopril Generic 137 37 $866
Amlodipine Besylate Generic 90 32 $675
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 61 18 $1,999
Metformin Hcl Generic 45 13 $361
Losartan Potassium Generic 41 14 $738
Montelukast Sodium Generic 36 0 $573
Hydrochlorothiazide Generic 35 14 $201
Lovastatin Generic 35 0 $561
Metformin Hcl Er (Metformin Hcl) Brand 35 16 $1,108

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathaniel Harrison's medical specialty?
Dr. Nathaniel Harrison practices Family Nurse Practitioner in Seattle, WA.
Where does Dr. Nathaniel Harrison practice?
Dr. Nathaniel Harrison practices at 6020 35Th Ave Sw, Seattle, WA 981263002. Office phone: 2064616950.
What is Dr. Nathaniel Harrison's NPI?
Dr. Nathaniel Harrison's National Provider Identifier (NPI) is 1831594639, issued by NPPES.
Does Dr. Nathaniel Harrison accept Medicare assignment?
Yes. Dr. Nathaniel Harrison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Harrison commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.