Timothy Amass, M.D.
Critical Care Medicine (Internal Medicine) Physician · Denver, CO
Timothy Amass, M.D. is a critical care medicine (internal medicine) physician with a practice address in Denver, Colorado, and NPI 1215257126, issued on Jun 3, 2010. Check the license (Colorado DR0066739, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Timothy Amass
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- DR0066739 CO
DR.0066739 CO
Self-reported in NPPES; status is on the state search - Practice location
- 777 Bannock St, Denver, CO 80204
- Phone
- (303) 602-5011
- Enumerated
- Jun 3, 2010
- Record last updated
- Nov 25, 2024
- Fax
- (303) 602-5055
- Medicare enrollment
- Enrolled (PECOS I20230921003079); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2010
- Entity
- Type 1 · individual
Also registered at 777 Bannock St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Aaltonen, M.D.Vascular & Interventional Radiology Physician1538340344
- Sarah Abbott, LCSWClinical Social Worker1326519042
- Ejaaz Abdulkabir, CNMAdvanced Practice Midwife1710551783
- Miren Aboitiz, NP-CWomen's Health Nurse Practitioner1568862282
- Edgar Acosta, MSWClinical Social Worker1467900381
- Shanie Adaime, RDHDental Hygienist1083318554
Verify Timothy Amass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR0066739Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
195 Medicare Part D claims for 44 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Ventolin Hfa22 claims
- Albuterol Sulfate Hfa21 claims
- Fluticasone Propionate20 claims
- Azithromycin15 claims
- Montelukast Sodium15 claims
- Budesonide-Formoterol Fumarate11 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.
Industry payments in 2024: $88.99
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Denver Health And Hospital AuthorityDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Colorado
There are 149 critical care medicine (internal medicine) physician records in Colorado.
Other critical care medicine (internal medicine) physician records in Colorado
- Brian AhnAurora, CO1144682253
- Ahmad Alsaleem, M.D.Greenwood Village, CO1215902424
- Sam Ancheril, MDGreenwood Village, CO1285711846
- Fnu Arjun Saradna, MDGreenwood Village, CO1972047694
- Cristian Arvinte, MDGreenwood Village, CO1285651836
- Yael Aschner, MDAurora, CO1760686240
- Kolene Bailey, MDLakewood, CO1346515574
- Alexander Benson, M.D.Lakewood, CO1700895844
- Michelle Beutz, MDGreenwood Village, CO1275509689
- Jason Biehl, M.D.Denver, CO1538392311
Common questions
What is Timothy Amass, M.D.'s NPI number?
Timothy Amass, M.D.'s National Provider Identifier (NPI) is 1215257126, issued on Jun 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Amass, M.D. located?
The NPPES record lists a practice address at 777 Bannock St, Denver, CO, 80204. Phone: (303) 602-5011. Providers update this record themselves, so call before visiting.
How can I verify Timothy Amass, M.D.'s license?
NPPES lists Colorado license number DR0066739, 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 Timothy Amass, M.D. prescribe under Medicare Part D?
In 2024, Timothy Amass, M.D. had 195 Medicare Part D claims for 44 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.