NPPES file of Aug 9, 2026

Chad Allen Welch, D.D.S.

General Practice Dentistry · Longmont, CO

Chad Allen Welch, D.D.S. is a general practice dentistry with a practice address in Longmont, Colorado, and NPI 1740232073, issued on May 16, 2006. Check the license (Colorado 105396, as entered in NPPES) with the Colorado board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1740232073
Name
Chad Allen Welch
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
105396 CO
Self-reported in NPPES; status is on the state search
Practice location
1720 Duchess Dr, Longmont, CO 80501
Phone
(303) 772-6960
Enumerated
May 16, 2006
Record last updated
Mar 14, 2016 (not updated in 10 years: call before relying on the address or phone)
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 1720 Duchess Dr

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

  1. Sean Visger, D.D.S.General Practice Dentistry1427139906

Verify Chad Allen Welch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 105396
    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
Find the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Chad Allen Welch among 2,488 general practice dentistry records in Colorado

Chad Allen Welch, D.D.S. is one of 2,488 general practice dentistry records with a practice address in Colorado. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 64% newer
  • In a Medicare fileNo · 59% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2016 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

54 general practice dentistry records list a practice address in Longmont

They are 54 of the 2,381 NPPES records with a practice address in Longmont, and 2,488 general practice dentistry records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 general practice dentistry records with the nearest ZIP codes

  1. John Bauman, DDSLongmont, CO 805011235146176
  2. James Buck, JAMES BUCK DDSLongmont, CO 805011366538779
  3. Brian Coats, D.D.S.Longmont, CO 805011275502924
  4. Frederick Coats, DDSLongmont, CO 805011245259175
  5. Amy Farmer, D.D.S.Longmont, CO 805011073537189
  6. Thomas Kammer, D.D.S.Longmont, CO 805011821189572
  7. Casey Kochevar, D.D.S.Longmont, CO 805011558360073
  8. Jay Mills, DDSLongmont, CO 805011942297148

Common questions

What is Chad Allen Welch, D.D.S.'s NPI number?

Chad Allen Welch, D.D.S.'s National Provider Identifier (NPI) is 1740232073, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chad Allen Welch, D.D.S. located?

The NPPES record lists a practice address at 1720 Duchess Dr, Longmont, CO, 80501. Phone: (303) 772-6960. Providers update this record themselves, so call before visiting.

How can I verify Chad Allen Welch, D.D.S.'s license?

NPPES lists Colorado license number 105396, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity 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. 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.