DR. DAVID DONALD TIMM M.D.
NPI 1114121746
Radiology - Diagnostic Radiology in Iron Mountain, MI

Active since June 14, 2007PECOS EnrolledAccepts Medicare Assignment
1721 S STEPHENSON AVE, IRON MOUNTAIN, MI 49801(906) 774-1313 Get Directions Write a Review

NPPES record last updated: December 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. David Donald Timm M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DAVID DONALD TIMM M.D. (NPI 1114121746) is an individual diagnostic radiology provider in Iron Mountain, Michigan, licensed in Michigan (4301099873) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Providence St Peter Hospital, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1114121746
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. DAVID DONALD TIMMCredential: M.D.
Location Address1721 S STEPHENSON AVEIron Mountain, MI 49801-3637
Mailing Address1721 S Stephenson AveIron Mountain, MI 49801-3637 · (906) 774-1313
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJune 14, 2007
Last NPPES UpdateDecember 24, 2025
NPPES CertifiedDecember 24, 2025
✔ NPI 1114121746 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in MI · 4301099873✔ Licensed in WA · MD61635807✔ Licensed in HI · 14280
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1721 S STEPHENSON AVE, Iron Mountain, MI 49801

Secondary Practice Locations 4

Location 14660 S Hagadorn Rd Ste 410East Lansing, MI 48823-6819 · Phone (517) 884-6132 · Fax (517) 884-6236
Location 2203 S Western AveTonasket, WA 98855-8803 · Phone (509) 486-2151 · Fax (509) 223-1640
Location 34660 S Hagadorn Rd Ste 510East Lansing, MI 48823-6805 · Phone (517) 884-7450 · Fax (517) 884-7460
Location 43220 Discovery Dr Ste 100Lansing, MI 48910-8609 · Phone (517) 975-8930 · Fax (517) 337-4985

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. David Donald Timm M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7113105263
PECOS Enrollment IDI20191010000606, I20250509001073, I20250813002856
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

19

Medicare enrollment records show David Timm reassigns Medicare billing to 19 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
1721 S STEPHENSON AVE
Iron Mountain, MI 49801
  • Reassigned Medicare billing, Michigan enrollment
  • 6 clinicians in this Medicare group
Neonatal-Perinatal Medicine
1215 E MICHIGAN AVE
Lansing, MI 48912
  • Reassigned Medicare billing, Michigan enrollment
  • 365 clinicians in this Medicare group
Diagnostic Radiology
111 S GRANT AVE
Columbus, OH 43215
  • Reassigned Medicare billing, Montana enrollment
  • 3 clinicians in this Medicare group
Diagnostic Radiology
2600 SIXTH ST SW
Canton, OH 44710
  • Reassigned Medicare billing, Montana enrollment
Rural Health
118 S WHITCOMB AVE
Tonasket, WA 98855
  • Reassigned Medicare billing, Washington enrollment
  • Also billed through NPI 1164580700 (Washington)
  • 197 clinicians in this Medicare group
Rural Health
529 JASMINE ST
Omak, WA 98841
  • Reassigned Medicare billing, Washington enrollment
  • Also billed through NPI 1255387403 (Washington)
  • 179 clinicians in this Medicare group
General Acute Care Hospital
1201 S MILLER ST
Wenatchee, WA 98801
  • Reassigned Medicare billing, Montana enrollment
  • 2 clinicians in this Medicare group
Critical Access
9801 FRONTIER AVE SE
Snoqualmie, WA 98065
  • Reassigned Medicare billing, Washington enrollment
  • Also billed through NPI 1144432634 (Washington)
  • 144 clinicians in this Medicare group
Ambulatory Surgical
4011 172ND ST NE
Arlington, WA 98223
  • Reassigned Medicare billing, Washington enrollment
  • 1,285 clinicians in this Medicare group
Diagnostic Radiology
11521 NE 128TH ST, SUITE 200
Kirkland, WA 98034
  • Reassigned Medicare billing, Montana enrollment

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 38

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
457 services422 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
314 services301 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
191 services188 patients
Ct scan of upper spine without contrast 72125
A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.
109 services108 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
98 services98 patients
Ct scan of abdomen and pelvis without contrast 74176
A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.
88 services85 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence St Peter Hospital

Acute Care Hospitals · Olympia, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500024
Location413 Lilly Road NEOlympia, WA 98506 · Thurston County
Emergency services Birthing friendly

Peacehealth Southwest Medical Center

Acute Care Hospitals · Vancouver, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500050
Location400 NE Mother Joseph PlaceVancouver, WA 98668 · Clark County
Emergency services Birthing friendly

Overlake Hospital Medical Center

Acute Care Hospitals · Bellevue, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number500051
Location1035-116th Ave NEBellevue, WA 98004 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
97%546 patients
Radiology: Reminder System for Screening Mammograms
Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram
100%203 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
92%72 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Anesthetist, Certified Registered
1721 S STEPHENSON AVE
IRON MOUNTAIN, MI 49801
Nurse Practitioner
1721 S STEPHENSON AVE
IRON MOUNTAIN, MI 49801
Physician Assistant
1721 S STEPHENSON AVE
IRON MOUNTAIN, MI 49801
Radiology (Diagnostic Radiology)
1721 S STEPHENSON AVE
IRON MOUNTAIN, MI 49801
Nurse Anesthetist, Certified Registered
1721 S STEPHENSON AVE
IRON MOUNTAIN, MI 49801
Radiology (Diagnostic Radiology)
1721 S STEPHENSON AVE
IRON MOUNTAIN, MI 49801
Radiology (Diagnostic Radiology)
1721 S STEPHENSON AVE
IRON MOUNTAIN, MI 49801
Occupational Therapist
1721 S STEPHENSON AVE
IRON MOUNTAIN, MI 49801

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Timm's NPI number?

The NPI number for David Timm is 1114121746. It was assigned to this individual provider in the NPPES registry on June 14, 2007.

Where is David Timm located?

David Timm practices at 1721 S Stephenson Ave, Iron Mountain, MI 49801. The listed phone number is (906) 774-1313.

What is David Timm's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is David Timm enrolled in Medicare?

Yes. David Timm is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for David Timm's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Timm reassigns Medicare benefits to 19 organizations: Radiology Associates Of Iron Mountain P L C (Iron Mountain, MI), Msu Health Care Inc (Lansing, MI), Columbus Radiology Corp (Columbus, OH), Radiology Associates Of Canton, Inc. (Canton, OH), Okanogan County Public Hospital Dist No 4 (Tonasket, WA) and 14 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Timm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Timm accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource and Premera Blue Cross Blue Shield of Alaska list David Timm as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is David Timm affiliated with any hospitals?

According to CMS data, David Timm is affiliated with Providence St Peter Hospital, Peacehealth Southwest Medical Center and Overlake Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for David Timm was last updated on December 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.