Registry data as of Aug 27, 2026

William Anderson, MD

Internal Medicine Physician · Durango, CO

William Anderson, MD is an internal medicine physician with a practice address in Durango, Colorado, and NPI 1649241076, issued on Feb 1, 2006. Check the license (Colorado 51474, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1649241076
Name
William Anderson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
51474 CO
514474 CO
Self-reported in NPPES; status is on the state search
Practice location
1 Mercado St Ste 130, Durango, CO 81301
Phone
(970) 247-1120
Enumerated
Feb 1, 2006
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 1 Mercado St Ste 130

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

  1. Lon Abney, MDInternal Medicine Physician1962883272
  2. Richard Converse, MDCardiovascular Disease Physician1013001486
  3. Amanda Dunaway, AGACNPAcute Care Nurse Practitioner1154833226
  4. Theresa Gent, PA-CPhysician Assistant1679042410
  5. Natalie Hilsenbeck, NP-CFamily Nurse Practitioner1699182758
  6. Robert Palusinski, M.D.Cardiovascular Disease Physician1770750044

Verify William Anderson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 51474
    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.

Industry payments in 2024: $2,117.49

11 payments, mostly food and beverage; the largest payer was Boston Scientific Corporation. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Anderson$2,117.49
  2. Specialty average$2,536.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

17 internal medicine physician records list a Durango practice address

They are 17 of the 1,407 NPPES records with a Durango practice address, and 2,683 internal medicine physician records in Colorado.

Other internal medicine physician records in Colorado

  1. Emily Aaron, MDDenver, CO1205256971
  2. Cynthia Abacan, MDPueblo, CO1467438549
  3. David Abbey, MS MDFort Collins, CO1568483196
  4. Ahmed Abdulrahman, MDPueblo, CO1093425068
  5. Victor Abela, D.O.Denver, CO1902194152
  6. Durant Abernethy, M.D.Frisco, CO1427289040
  7. Lon Abney, MDDurango, CO1962883272
  8. Alan Aboaf, MDCentennial, CO1003866393
  9. Adam Abraham, MDAurora, CO1720178304
  10. Phebe Abraham, MDGreeley, CO1558980540

Common questions

What is William Anderson, MD's NPI number?

William Anderson, MD's National Provider Identifier (NPI) is 1649241076, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Anderson, MD located?

The NPPES record lists a practice address at 1 Mercado St Ste 130, Durango, CO, 81301. Phone: (970) 247-1120. Providers update this record themselves, so call before visiting.

How can I verify William Anderson, MD's license?

NPPES lists Colorado license number 51474, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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.