NPPES file of Aug 9, 2026

Dennis S. Wales, MD

Family Medicine Physician · Durango, CO

Dennis S. Wales, MD is a family medicine physician with a practice address in Durango, Colorado, and NPI 1376650408, issued on Aug 24, 2006. Check the license (Colorado DR.0040200, as entered in NPPES) on the Colorado Medical Board; 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
1376650408
Name
Dennis S. Wales
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
DR.0040200 CO
L4793 TX
Self-reported in NPPES; status is on the state search
Practice location
810 E 3RD St Unit 201, Durango, CO 81301
Phone
(970) 764-1790
Enumerated
Aug 24, 2006
Record last updated
Jul 17, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(970) 375-7927
Medicare enrollment
Enrolled (PECOS I20190807001949); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 1997
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 810 E 3RD St Unit 201

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

  1. Kimberly Ayres, RD LDRegistered Dietitian1669473161
  2. Charlotte Barry, MDInternal Medicine Physician1518968734
  3. Micah Helton, M.D.Internal Medicine Physician1194172379
  4. Shona Jones, NPPrimary Care Nurse Practitioner1417683632
  5. William Marr, PA-CMedical Physician Assistant1992801179
  6. Holly McCoy, PA-CMedical Physician Assistant1366811366

Verify Dennis S. Wales in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0040200
    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 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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2.1 times the Medicare Part D claims of the average family medicine physician in 2024

7,578 Medicare Part D claims for 666 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 338 claims were for opioids.

  1. Dennis Wales7,578
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium495 claims
  2. Levothyroxine Sodium377 claims
  3. Lisinopril355 claims
  4. Amlodipine Besylate340 claims
  5. Losartan Potassium232 claims
  6. Omeprazole192 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.

Bills Medicare through one group practice

  1. Total HealthcareDurango, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

44 family medicine physician records list a practice address in Durango

They are 44 of the 1,407 NPPES records with a practice address in Durango, and 3,563 family medicine physician records in Colorado.

Other family medicine physician records in Colorado

  1. Eric Abbott, D.O.Colorado Springs, CO1255522876
  2. John Abbott, D.O.Lamar, CO1255477790
  3. Rasha Abdelsalam, MDDenver, CO1891058467
  4. Baiju Abdulla, M.B.B.S.Colorado Springs, CO1316119076
  5. Nathalie Abisror, MDCastle Pines, CO1336634922
  6. Ashley Abrahamson, DOPueblo, CO1497324065
  7. Lara Abrahamson, MDFort Collins, CO1538145289
  8. Pamela Abrams, MDBroomfield, CO1073514188
  9. Hemamalini Achuthan, MDLakewood, CO1205982881
  10. Chris Adams, D.O.Limon, CO1144285248

Common questions

What is Dennis S. Wales, MD's NPI number?

Dennis S. Wales, MD's National Provider Identifier (NPI) is 1376650408, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dennis S. Wales, MD located?

The NPPES record lists a practice address at 810 E 3RD St Unit 201, Durango, CO, 81301. Phone: (970) 764-1790. Providers update this record themselves, so call before visiting.

How can I verify Dennis S. Wales, MD's license?

NPPES lists Colorado license number DR.0040200, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Dennis S. Wales, MD prescribe under Medicare Part D?

In 2024, Dennis S. Wales, MD had 7,578 Medicare Part D claims for 666 beneficiaries; 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.