Doctor profile · Federal record

Dr. Jenna Grilley, PA-C

Physician Assistant · Gastroenterology Physician · Kalispell, MT

  • NPI 1235868324
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
320 Sunnyview Ln
Kalispell, MT 599013129
(406) 752-7441
fax (406) 257-0304
Mailing address
Po Box 37
West Glacier, MT 599360037

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Profile last updated
February 19, 2024
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Montana #MED-PAC-LIC-113139

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235868324. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
598
Distinct HCPCS
5
Medicare allowed
$58,425
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 337 250 $88
99215 Established patient office or other outpatient visit, 40-54 minutes 166 132 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 63 59 $59
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $122
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $75

In context: peer comparison

Among 15 peers in Kalispell Physician Assistant, average services per provider: 126. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$147
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Ipsen Biopharmaceuticals, INC 3 $67.13
Madrigal Pharmaceuticals 1 $50.00
E.R. Squibb & Sons, L.L.C. 1 $29.87

By nature of payment

Food and Beverage
$147

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
662
Patients
239
Total drug cost
$56,805
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 271 116 $5,435
Omeprazole Generic 121 52 $2,578
Famotidine Generic 86 32 $2,193
Dicyclomine Hcl Generic 35 14 $1,182
Linzess (Linaclotide) Brand 35 0 $31,145
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 20 12 $548
Dexlansoprazole Dr (Dexlansoprazole) Brand 16 0 $9,050
Mirtazapine Generic 15 0 $565
Ondansetron Odt (Ondansetron) Brand 15 13 $513
Loperamide (Loperamide Hcl) Brand 14 0 $764

Frequently asked questions

Auto-generated from federal data
What is Dr. Jenna Grilley's medical specialty?
Dr. Jenna Grilley practices Physician Assistant in Kalispell, MT.
Where does Dr. Jenna Grilley practice?
Dr. Jenna Grilley practices at 320 Sunnyview Ln, Kalispell, MT 599013129. Office phone: 4067527441.
What is Dr. Jenna Grilley's NPI?
Dr. Jenna Grilley's National Provider Identifier (NPI) is 1235868324, issued by NPPES.
Does Dr. Jenna Grilley accept Medicare assignment?
Yes. Dr. Jenna Grilley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jenna Grilley commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.