Doctor profile · Federal record

Dr. David Timm, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Iron Mountain, MI

  • NPI 1114121746
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
1721 S Stephenson Ave
Iron Mountain, MI 498013637
(906) 774-1313
Additional location
3220 Discovery Dr Ste 100
Lansing, MI 489108609
(517) 975-8930
fax (517) 337-4985
Additional location
4660 S Hagadorn RD Ste 410
East Lansing, MI 488236819
(517) 884-6132
fax (517) 884-6236
Show 2 more locations
Additional location
4660 S Hagadorn RD Ste 510
East Lansing, MI 488236805
(517) 884-7450
fax (517) 884-7460
Additional location
203 S Western Ave
Tonasket, WA 988558803
(509) 486-2151
fax (509) 223-1640

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
December 24, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (3)
Michigan #4301099873 · Washington #MD61635807 · Hawaii #14280

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114121746. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,721
Distinct HCPCS
10
Medicare allowed
$107,247
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 491 438 $9
70450 Ct scan head or brain without contrast 292 274 $39
74177 Ct scan of abdomen and pelvis with contrast 260 242 $86
71046 X-ray of chest, 2 views 156 147 $10
71275 Ct scan of blood vessels of chest with contrast 148 147 $84
74176 Ct scan of abdomen and pelvis without contrast 145 141 $82
72125 Ct scan of upper spine without contrast 97 95 $46
71250 Ct scan of chest without contrast 88 86 $51
77063 Screening 3d breast mammography 83 83 $28
77067 Screening mammography 83 83 $35

In context: peer comparison

Among 3 peers in this city , average services per provider: 62. This provider delivers 44× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Timm's medical specialty?
Dr. David Timm practices Diagnostic Radiology Physician in Iron Mountain, MI.
Where does Dr. David Timm practice?
Dr. David Timm practices at 1721 S Stephenson Ave, Iron Mountain, MI 498013637. Office phone: 9067741313.
What is Dr. David Timm's NPI?
Dr. David Timm's National Provider Identifier (NPI) is 1114121746, issued by NPPES.
Does Dr. David Timm accept Medicare assignment?
Yes. Dr. David Timm accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Timm commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450); Ct scan of abdomen and pelvis with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.