Doctor profile · Federal record

Dr. Glenn Winslow, MD

Surgery Physician (CMS: General Surgery) · Great Falls, MT

  • NPI 1255332102
  • Accepts Medicare
  • MIPS 88.2 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 13Th Ave S Ste 102
Great Falls, MT 594054300
(406) 454-2171
fax (406) 771-3021
Mailing address
Po Box 6010
Great Falls, MT 594066010

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
May 21, 2024
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Montana #8297
Medicaid
MT #0101252

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255332102. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
329
Distinct HCPCS
10
Medicare allowed
$51,421
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 64 64 $113
99212 Established patient office or other outpatient visit, 10-19 minutes 38 35 $57
99213 Established patient office or other outpatient visit, 20-29 minutes 36 35 $91
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 34 23 $50
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 32 30 $119
99202 New patient office or other outpatient visit, 15-29 minutes 28 28 $73
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope 20 20 $730
49650 Repair of groin hernia using an endoscope 20 20 $469
99214 Established patient office or other outpatient visit, 30-39 minutes 19 18 $129
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $168

In context: peer comparison

Among 3 peers in this city , average services per provider: 30. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$224
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 3 $164.71
Medtronic, Inc. 1 $24.25
Davol Inc. 1 $20.44
Solventum Corporation 1 $14.77

By nature of payment

Food and Beverage
$224

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
102
Patients
95
Total drug cost
$790
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 102 95 $790

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Glenn Winslow's medical specialty?
Dr. Glenn Winslow practices Surgery Physician in Great Falls, MT.
Where does Dr. Glenn Winslow practice?
Dr. Glenn Winslow practices at 400 13Th Ave S Ste 102, Great Falls, MT 594054300. Office phone: 4064542171.
What is Dr. Glenn Winslow's NPI?
Dr. Glenn Winslow's National Provider Identifier (NPI) is 1255332102, issued by NPPES.
Does Dr. Glenn Winslow accept Medicare assignment?
Yes. Dr. Glenn Winslow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Glenn Winslow commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.