NPPES file of Aug 9, 2026

William Ronald Prather, M.D.

Internal Medicine Physician · Edwards, CO

William Ronald Prather, M.D. is an internal medicine physician with a practice address in Edwards, Colorado, and NPI 1033465067, issued on Jul 27, 2012. Check the license (Colorado CO19692, as entered in NPPES) on the Colorado Medical Board; 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
1033465067
Name
William Ronald Prather
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
CO19692 CO
Self-reported in NPPES; status is on the state search
Practice location
420 Winslow Road Box 997, Edwards, CO 81632
Phone
(303) 883-4954
Enumerated
Jul 27, 2012
Record last updated
Jul 27, 2012 (not updated in 14 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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Verify William Ronald Prather in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license CO19692
    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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William Ronald Prather among 2,046 internal medicine physician records in Colorado

William Ronald Prather, M.D. is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% 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 2012, is newer than 72% of them.

  • NPI issued2012 · 72% of these records are older, 26% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2012 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Colorado

There are 2,046 internal medicine physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dennis Lipton, M.D.Edwards, CO 816321821135153
  2. Charles Lam, M.D.Parachute, CO 816351184905325
  3. Teresa Platt, M.D.Parachute, CO 816351437112901
  4. David Borchers, MDBasalt, CO 816211376534669
  5. Mindy Cooper, MDAvon, CO 816201659301851
  6. Marshall Davis, MDAvon, CO 816201942611462
  7. Monica Grafals, M.D.Avon, CO 816201578622320
  8. Norman Numerof, M.D.Avon, CO 816201720192776

Common questions

What is William Ronald Prather, M.D.'s NPI number?

William Ronald Prather, M.D.'s National Provider Identifier (NPI) is 1033465067, issued on Jul 27, 2012. An NPI identifies a provider in billing; it is not a license.

Where is William Ronald Prather, M.D. located?

The NPPES record lists a practice address at 420 Winslow Road Box 997, Edwards, CO, 81632. Phone: (303) 883-4954. Providers update this record themselves, so call before visiting.

How can I verify William Ronald Prather, M.D.'s license?

NPPES lists Colorado license number CO19692, 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), 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.