Fred O. Williams, MD
Emergency Medicine Physician · Walsenburg, CO
Fred O. Williams, MD is an emergency medicine physician with a practice address in Walsenburg, Colorado, and NPI 1013987973, issued on Jan 24, 2006. Check the license (Colorado 17644, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Fred O. Williams
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 17644 CO
Self-reported in NPPES; status is on the state search - Practice location
- 23500 US Highway 160, Walsenburg, CO 81089
- Phone
- (719) 738-5100
- Enumerated
- Jan 24, 2006
- Record last updated
- Aug 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 01176445 CO
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 23500 US Highway 160
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Andreatta, PTPhysical Therapist1043155005
- Ronald Cochran, CRNACertified Registered Nurse Anesthetist1245260173
- Andrea Crosson, OTROccupational Therapist1336434349
- Chad Davis, M.D.Emergency Medicine Physician1922081090
- Jonathan Dobin, M.D.Emergency Medicine Physician1295180362
- Marilyn DosterFamily Nurse Practitioner1891484374
Verify Fred O. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 17644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average emergency medicine physician in 2024
11 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Fred O. Williams among 1,434 emergency medicine physician records in Colorado
Fred O. Williams, MD is one of 1,434 emergency medicine physician records with a practice address in Colorado. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2016 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 emergency medicine physician records list a practice address in Walsenburg
They are 8 of the 70 NPPES records with a practice address in Walsenburg, and 1,434 emergency medicine physician records in Colorado.
All 1,434 in Colorado → Every provider in Walsenburg → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Chad Davis, M.D.Walsenburg, CO 810891922081090
- Jonathan Dobin, M.D.Walsenburg, CO 810891295180362
- Ginger Dunnam-Smith, M.D.Walsenburg, CO 810891710905997
- Thomas Faulhaber, M.D.Walsenburg, CO 810891912914466
- Greg Hosler, MDWalsenburg, CO 810891679714745
- Michael Mills, M.D.Walsenburg, CO 810891700806007
- Jonathan Moran, DOWalsenburg, CO 810891902244734
- William Greiser, MDTrinidad, CO 810821720114408
Common questions
What is Fred O. Williams, MD's NPI number?
Fred O. Williams, MD's National Provider Identifier (NPI) is 1013987973, issued on Jan 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Fred O. Williams, MD located?
The NPPES record lists a practice address at 23500 US Highway 160, Walsenburg, CO, 81089. Phone: (719) 738-5100. Providers update this record themselves, so call before visiting.
How can I verify Fred O. Williams, MD's license?
NPPES lists Colorado license number 17644, 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 Fred O. Williams, MD prescribe under Medicare Part D?
In 2024, Fred O. Williams, MD had 11 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.