Doctor profile · Federal record

Dr. Nicholas Grinnell, PA-C

Physician Assistant · Sequim, WA

  • NPI 1568198224
  • Accepts Medicare
  • MIPS 81.1 / 100 · 2023
  • 4 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
808 N 5Th Ave
Sequim, WA 983823045
(360) 683-5900
Mailing address
81 Streit RD
Sequim, WA 983827553

Credentials & registration

NPPES · NUCC
NPI registered
July 2022 — 4 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Washington #PA61309930

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568198224. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
192
Distinct HCPCS
3
Medicare allowed
$771
HCPCS Description Services Patients Avg allowed
85610 Blood test, clotting time 112 82 $4
81003 Automated urinalysis test 50 42 $2
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 30 29 $6

In context: peer comparison

Among 4 peers in Sequim Physician Assistant, average services per provider: 233. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$99
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Mimedx Group, INC. 1 $98.88

By nature of payment

Food and Beverage
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,542
Patients
942
Total drug cost
$194,886
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 305 115 $3,447
Lisinopril Generic 254 92 $2,210
Losartan Potassium Generic 249 90 $3,151
Levothyroxine Sodium Generic 239 87 $3,073
Amlodipine Besylate Generic 236 95 $2,488
Metoprolol Succinate Generic 176 69 $3,491
Omeprazole Generic 151 59 $2,679
Simvastatin Generic 151 56 $1,666
Eliquis (Apixaban) Brand 143 37 $161,544
Hydrochlorothiazide Generic 123 50 $645

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Grinnell's medical specialty?
Dr. Nicholas Grinnell practices Physician Assistant in Sequim, WA.
Where does Dr. Nicholas Grinnell practice?
Dr. Nicholas Grinnell practices at 808 N 5Th Ave, Sequim, WA 983823045. Office phone: 3606835900.
What is Dr. Nicholas Grinnell's NPI?
Dr. Nicholas Grinnell's National Provider Identifier (NPI) is 1568198224, issued by NPPES.
Does Dr. Nicholas Grinnell accept Medicare assignment?
Yes. Dr. Nicholas Grinnell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Grinnell commonly perform?
Top Medicare-reported procedures in 2023: Blood test, clotting time (HCPCS 85610); Automated urinalysis test (HCPCS 81003); Routine electrocardiogram (ecg) using at least 12 leads with tracing (HCPCS 93005). Source: CMS Medicare Physician & Other Practitioners file.