Registry data as of Aug 27, 2026

Catherine Simpson, DMD

Dentist · Gypsum, CO

Catherine Simpson, DMD is a dentist with a practice address in Gypsum, Colorado, and NPI 1104671239, issued on Apr 22, 2024. Check the license (Colorado DEN.00206048, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1104671239
Name
Catherine Simpson
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
DEN.00206048 CO
Self-reported in NPPES; status is on the state search
Practice location
410 Mcgregor Dr, Gypsum, CO 81637
Phone
(970) 945-2840
Enumerated
Apr 22, 2024
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 410 Mcgregor Dr

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

  1. Timothy Wheeler, LPCProfessional Counselor1093452732

Verify Catherine Simpson 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 DEN.00206048
    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.

3 dentist records list a Gypsum practice address

They are 3 of the 29 NPPES records with a Gypsum practice address, and 2,038 dentist records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other dentist records in Colorado

  1. Paul Abbey, DDSLongmont, CO1891768495
  2. Margaret AbbottAurora, CO1811312861
  3. Mitra Abdi, DDSDenver, CO1093454597
  4. Wameedh Abdulameer, D.D.SDenver, CO1801137302
  5. Anna Abele, DMDLakewood, CO1477125185
  6. Arthur Abercrombie, DMDFederal Heights, CO1477986404
  7. Gabrielle Abney, DDSLoveland, CO1841937497
  8. Dina Aboushehata, DDSColorado Springs, CO1124616768
  9. Ansu Abraham, DDSColorado Springs, CO1326921024
  10. Arica Abrames, D.D.S.Fort Collins, CO1700906260

Common questions

What is Catherine Simpson, DMD's NPI number?

Catherine Simpson, DMD's National Provider Identifier (NPI) is 1104671239, issued on Apr 22, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Simpson, DMD located?

The NPPES record lists a practice address at 410 Mcgregor Dr, Gypsum, CO, 81637. Phone: (970) 945-2840. Providers update this record themselves, so call before visiting.

How can I verify Catherine Simpson, DMD's license?

NPPES lists Colorado license number DEN.00206048, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.