Tom Ashar, MD
Emergency Medicine Physician · Denver, CO
Tom Ashar, MD is an emergency medicine physician with a practice address in Denver, Colorado, and NPI 1205888187, issued on May 17, 2006. Check the license (Colorado DR.0057813, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tom Ashar
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- DR.0057813 CO
25MA07890600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 18610 Green Valley Ranch Blvd, Denver, CO 80249
- Phone
- (720) 848-0000
- Enumerated
- May 17, 2006
- Record last updated
- Aug 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20170406003021); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Verify Tom Ashar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0057813Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average emergency medicine physician in 2024
140 Medicare Part D claims for 99 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Cephalexin13 claims
- Prednisone12 claims
- Azithromycin11 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 2 group practices
- Emergency Professionals OF Colorado PCSterling, CO
- University Physicians IncorporatedAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tom Ashar among 1,434 emergency medicine physician records in Colorado
Tom Ashar, 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 fileYes · 57% of these records are
- Graduated2001 · median 2011 among the 810 with a school on file
- Record last updated2024 · 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).
Emergency Medicine Physician providers in Colorado
There are 1,434 emergency medicine physician records in Colorado.
All 1,434 in Colorado → Every provider in Denver → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kevin Butler, MDDenver, CO 802471902177330
- Erin Drasler, M.D.Denver, CO 802471952535866
- Jessica Ellerman, M.D.Denver, CO 802471730323999
- Randy Jacobs, MDDenver, CO 802471902940786
- Anne Prendergast, MDDenver, CO 802471538459185
- Lucille Queeney, MDDenver, CO 802471831226869
- Jonathon Savage, DODenver, CO 802471972566107
- Gerald Golding, MDDenver, CO 802461750421665
Common questions
What is Tom Ashar, MD's NPI number?
Tom Ashar, MD's National Provider Identifier (NPI) is 1205888187, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tom Ashar, MD located?
The NPPES record lists a practice address at 18610 Green Valley Ranch Blvd, Denver, CO, 80249. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.
How can I verify Tom Ashar, MD's license?
NPPES lists Colorado license number DR.0057813, 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 Tom Ashar, MD prescribe under Medicare Part D?
In 2024, Tom Ashar, MD had 140 Medicare Part D claims for 99 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.