Brian T. Williams, M.D.
Emergency Medicine Physician · Aurora, CO
Brian T. Williams, M.D. is an emergency medicine physician with a practice address in Aurora, Colorado, and NPI 1417928664, issued on Jan 27, 2006. Check the license (Colorado 35656, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brian T. Williams
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 35656 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2550 S Parker RD, Aurora, CO 80014
- Phone
- (303) 306-7783
- Enumerated
- Jan 27, 2006
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (303) 306-7753
- Medicaid ID
- 01356567 CO
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 2550 S Parker RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa AeschlemanClinical Social Worker1356859755
- Brian Agganis, M.D.Internal Medicine Physician1104204072
- Sarah Alber, NPFamily Nurse Practitioner1801126263
- Sharon AlmonObstetrics & Gynecology Physician1821132697
- Madai Arreola, LPNLicensed Practical Nurse1598099566
- Erin Baker, RNRegistered Nurse1457741951
Verify Brian T. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 35656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average emergency medicine physician in 2024
517 Medicare Part D claims for 357 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 97 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen75 claims
- Ondansetron Odt44 claims
- Sulfamethoxazole-Trimethoprim37 claims
- Prednisone28 claims
- Pradaxa21 claims
- Ciprofloxacin Hcl20 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.
Brian T. Williams among 1,434 emergency medicine physician records in Colorado
Brian T. Williams, M.D. 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 updated2021 · 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).
246 emergency medicine physician records list a practice address in Aurora
They are 246 of the 17,400 NPPES records with a practice address in Aurora, and 1,434 emergency medicine physician records in Colorado.
All 1,434 in Colorado → Every provider in Aurora → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- William Abbott, M.D.Aurora, CO 800141013992361
- Roger Barkin, M.D.Aurora, CO 800141609859321
- Dennis Beck, M.D.Aurora, CO 800141598748626
- Michael Bowen, M.D.Aurora, CO 800141841273398
- Fred Brady, M.D.Aurora, CO 800141629051313
- Rick Brubaker, D.O.Aurora, CO 800141083699342
- Laurence Cohen, M.D.Aurora, CO 800141386628618
- Christine Darr, M.D.Aurora, CO 800141033191754
Common questions
What is Brian T. Williams, M.D.'s NPI number?
Brian T. Williams, M.D.'s National Provider Identifier (NPI) is 1417928664, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian T. Williams, M.D. located?
The NPPES record lists a practice address at 2550 S Parker RD, Aurora, CO, 80014. Phone: (303) 306-7783. Providers update this record themselves, so call before visiting.
How can I verify Brian T. Williams, M.D.'s license?
NPPES lists Colorado license number 35656, 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 Brian T. Williams, M.D. prescribe under Medicare Part D?
In 2024, Brian T. Williams, M.D. had 517 Medicare Part D claims for 357 beneficiaries; 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.