NPPES file of Aug 9, 2026

Michael J. Welther, MD

Family Medicine Physician · Arlington, VT

Michael J. Welther, MD is a family medicine physician with a practice address in Arlington, Vermont, and NPI 1164596367, issued on Nov 20, 2006. Check the license (Vermont 0420007598, as entered in NPPES) on the Vermont 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
1164596367
Name
Michael J. Welther
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
0420007598 VT
Self-reported in NPPES; status is on the state search
Practice location
9 Church Street, Arlington, VT 05250
Phone
(802) 375-6566
Enumerated
Nov 20, 2006
Record last updated
Jan 15, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(802) 375-6828
Medicaid IDs
WEVT9138 VT
0473830 VT
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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Verify Michael J. Welther in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVermont Board of Medical Practice
    Search for license 0420007598
    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 Vermont license search

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100% fewer Medicare Part D claims than the average family medicine physician in 2024

14 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Michael Welther14
  2. Specialty average3,544

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.

1 family medicine physician records list a practice address in Arlington

They are 1 of the 30 NPPES records with a practice address in Arlington, and 443 family medicine physician records in Vermont.

Other family medicine physician records in Vermont

  1. Lauren Adams, MDWilliston, VT1023695194
  2. Gordon Ahlers, MDMorrisville, VT1669490348
  3. John Ajamie, MDSt Johnsbury, VT1689637399
  4. Stuart Alexander, MDSouth Burlington, VT1700081312
  5. Kimona Alin, M.D.Townshend, VT1326038878
  6. Jeffery Allyn, M.D.Randolph, VT1386639516
  7. Jean Andersson-Swayze, M.D.Middlebury, VT1144354853
  8. Jessica AndrewsNewport, VT1043501372
  9. Natalie Antosh, MDBurlington, VT1437778685
  10. Robert Areson, MDRichmond, VT1982043030

Common questions

What is Michael J. Welther, MD's NPI number?

Michael J. Welther, MD's National Provider Identifier (NPI) is 1164596367, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael J. Welther, MD located?

The NPPES record lists a practice address at 9 Church Street, Arlington, VT, 05250. Phone: (802) 375-6566. Providers update this record themselves, so call before visiting.

How can I verify Michael J. Welther, MD's license?

NPPES lists Vermont license number 0420007598, as entered by the provider. Search the Vermont Board of Medical Practice at https://www.healthvermont.gov/systems/board-medical-practice. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael J. Welther, MD prescribe under Medicare Part D?

In 2024, Michael J. Welther, MD had 14 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.