Michael Patrick Caldwell, MD
Diagnostic Radiology Physician · Duluth, MN
Michael Patrick Caldwell, MD is a diagnostic radiology physician with a practice address in Duluth, Minnesota, and NPI 1952444010, issued on Feb 15, 2007. Check the license (Minnesota 51672, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Michael Patrick Caldwell
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- 51672 MN
6422 KS
Self-reported in NPPES; status is on the state search - Practice location
- 400 East 3RD Street, Duluth, MN 55805
- Phone
- (218) 786-8160
- Enumerated
- Feb 15, 2007
- Record last updated
- May 19, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 1952444010 MN
- Medicare enrollment
- Enrolled (PECOS I20090827000235); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,700 in Minnesota → Look up another NPI →
Also registered at 400 East 3RD Street
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Verify Michael Patrick Caldwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 51672Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- The Duluth Clinic LtdVirginia, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Patrick Caldwell among 1,700 diagnostic radiology physician records in Minnesota
Michael Patrick Caldwell, MD is one of 1,700 diagnostic radiology physician records with a practice address in Minnesota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 39% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2004 · median 2003 among the 1,324 with a school on file
- Record last updated2011 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Minnesota
There are 1,700 diagnostic radiology physician records in Minnesota.
All 1,700 in Minnesota → Every provider in Duluth → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- David AlexanderDuluth, MN 558051932135936
- Bruce DeraufDuluth, MN 558051003847385
- Tammy FoxDuluth, MN 558051730247552
- Jill Holsinger, MDDuluth, MN 558051255431524
- Ningmei HuDuluth, MN 558051902821416
- Daniel MullinsDuluth, MN 558051255491445
- David Rideout, MDDuluth, MN 558051467404632
- Michael RyanDuluth, MN 558051215953997
Common questions
What is Michael Patrick Caldwell, MD's NPI number?
Michael Patrick Caldwell, MD's National Provider Identifier (NPI) is 1952444010, issued on Feb 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Patrick Caldwell, MD located?
The NPPES record lists a practice address at 400 East 3RD Street, Duluth, MN, 55805. Phone: (218) 786-8160. Providers update this record themselves, so call before visiting.
How can I verify Michael Patrick Caldwell, MD's license?
NPPES lists Minnesota license number 51672, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.