NPPES file of Aug 9, 2026

Clifford Arthur Chapin, MD

Internal Medicine Physician · Cloquet, MN

Clifford Arthur Chapin, MD is an internal medicine physician with a practice address in Cloquet, Minnesota, and NPI 1891776019, issued on Nov 7, 2005. Check the license (Minnesota 42643, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891776019
Name
Clifford Arthur Chapin
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
42643 MN
Self-reported in NPPES; status is on the state search
Practice location
512 Skyline Blvd, Cloquet, MN 55720
Phone
(218) 879-4641
Enumerated
Nov 7, 2005
Record last updated
Jul 26, 2026
Fax
(218) 878-7086
Medicaid ID
30204411 NH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 512 Skyline Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vicki Anderson, M.D.Family Medicine Physician1972685394
  2. John Baga, MDInternal Medicine Physician1770577033
  3. Patrick Bailey, CRNACertified Registered Nurse Anesthetist1194749267
  4. Joseph Berdecia-Rodriguez, MD-PHDFamily Medicine Physician1477589414
  5. Valerie Burgett, RN, CNPFamily Nurse Practitioner1821077538
  6. Stacy ColichRegistered Dietitian1760433437

Verify Clifford Arthur Chapin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 42643
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Minnesota license search

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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

66 Medicare Part D claims for 49 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Clifford Chapin66
  2. Specialty average3,176

Most prescribed

  1. Prednisone14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Internal Medicine Physician providers in Minnesota

There are 2,632 internal medicine physician records in Minnesota.

Other internal medicine physician records in Minnesota

  1. Christopher Aakre, MDRochester, MN1508151663
  2. Karen Aarestad, MDBrainerd, MN1275510216
  3. Michael Abawkaw, MDMinneapolis, MN1114503315
  4. Nadhem Abdallah, MDMinneapolis, MN1396423810
  5. Ahmed Abdalrhim, MBBSRochester, MN1679671762
  6. Nermine AbdelwahabSaint Paul, MN1871158600
  7. Sarah Abdul Jabbar, MBBSSt Cloud, MN1932489002
  8. Mohamed Abdullahi, M.D.Minneapolis, MN1437475431
  9. Omar Abdullahi, MDMinneapolis, MN1184118200
  10. Paul Abear, MDMinneapolis, MN1841710696

Common questions

What is Clifford Arthur Chapin, MD's NPI number?

Clifford Arthur Chapin, MD's National Provider Identifier (NPI) is 1891776019, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Clifford Arthur Chapin, MD located?

The NPPES record lists a practice address at 512 Skyline Blvd, Cloquet, MN, 55720. Phone: (218) 879-4641. Providers update this record themselves, so call before visiting.

How can I verify Clifford Arthur Chapin, MD's license?

NPPES lists Minnesota license number 42643, 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.

How much does Clifford Arthur Chapin, MD prescribe under Medicare Part D?

In 2024, Clifford Arthur Chapin, MD had 66 Medicare Part D claims for 49 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.