Doctor profile · Federal record
Dr. Roy Zimmer, MD
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Missoula, MT
- NPI 1780609958
- Accepts Medicare
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3205 S Russell St
Missoula, MT 598018536
(406) 721-4906 - Mailing address
-
Po Box 4165
Missoula, MT 598064165
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- Montana #8077
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780609958. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,412
Distinct HCPCS
10
Medicare allowed
$98,779
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77067 |
Screening mammography | 498 | 498 | $36 | |
77063 |
Screening 3d breast mammography | 495 | 495 | $29 | |
71046 |
X-ray of chest, 2 views | 224 | 222 | $10 | |
77067 |
Screening mammography | 190 | 190 | $104 | |
77063 |
Screening 3d breast mammography | 181 | 181 | $46 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 83 | 82 | $86 | |
71271 |
Low dose ct scan of chest for lung cancer screening | 70 | 70 | $51 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 65 | 65 | $9 | |
G0279 |
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | 63 | 62 | $29 | |
76642 |
Limited ultrasound scan of 1 breast | 60 | 60 | $34 |
In context: peer comparison
Among 7 peers in Missoula Diagnostic Radiology Physician, average services per provider: 77. This provider delivers 31× the peer median.Frequently asked questions
What is Dr. Roy Zimmer's medical specialty?
Dr. Roy Zimmer practices Diagnostic Radiology Physician in Missoula, MT.
Where does Dr. Roy Zimmer practice?
Dr. Roy Zimmer practices at 3205 S Russell St, Missoula, MT 598018536. Office phone: 4067214906.
What is Dr. Roy Zimmer's NPI?
Dr. Roy Zimmer's National Provider Identifier (NPI) is 1780609958, issued by NPPES.
Does Dr. Roy Zimmer accept Medicare assignment?
Yes. Dr. Roy Zimmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roy Zimmer commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.