Daniel W. Zelen, MD
Diagnostic Radiology Physician · Duluth, MN
Daniel W. Zelen, MD is a diagnostic radiology physician with a practice address in Duluth, Minnesota, and NPI 1336288448, issued on Feb 5, 2007. Check the license (Minnesota 51830, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Daniel W. Zelen
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 51830 MN
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 5, 2007
- Record last updated
- Dec 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid IDs
- 1336288448 WI
1336288448 MN - Medicare enrollment
- Enrolled (PECOS I20090916000216); 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
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel W. Zelen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 51830Check 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).
Daniel W. Zelen among 1,700 diagnostic radiology physician records in Minnesota
Daniel W. Zelen, 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
- Graduated2003 · median 2003 among the 1,324 with a school on file
- Record last updated2017 · 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
- Michael Caldwell, MDDuluth, MN 558051952444010
- 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
Common questions
What is Daniel W. Zelen, MD's NPI number?
Daniel W. Zelen, MD's National Provider Identifier (NPI) is 1336288448, issued on Feb 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Daniel W. Zelen, 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 Daniel W. Zelen, MD's license?
NPPES lists Minnesota license number 51830, 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.