Doctor profile · Federal record

Dr. Benjamin Grass, M.D.

Family Medicine Physician (CMS: Family Practice) · Ronan, MT

  • NPI 1467894121
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
107 6Th Ave Sw
Ronan, MT 598642634
(406) 676-4441
fax (406) 676-0835
Additional location
6 13Th Ave E
Polson, MT 598605315
(406) 883-5680
Mailing address
Po Box 12
Liberty Lake, WA 990190012

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
June 15, 2023
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #50100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467894121. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
469
Distinct HCPCS
6
Medicare allowed
$57,520
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 142 139 $173
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 116 68 $79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 88 87 $131
99239 Hospital discharge day management, more than 30 minutes 58 58 $113
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 36 31 $117
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 29 14 $50

In context: peer comparison

Among 6 peers in this city , average services per provider: 75. This provider delivers 6.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Benjamin Grass's medical specialty?
Dr. Benjamin Grass practices Family Medicine Physician in Ronan, MT.
Where does Dr. Benjamin Grass practice?
Dr. Benjamin Grass practices at 107 6Th Ave Sw, Ronan, MT 598642634. Office phone: 4066764441.
What is Dr. Benjamin Grass's NPI?
Dr. Benjamin Grass's National Provider Identifier (NPI) is 1467894121, issued by NPPES.
Does Dr. Benjamin Grass accept Medicare assignment?
Yes. Dr. Benjamin Grass accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Grass commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.