Thomas Day Seibert, MD, MS
Emergency Medicine Physician · Aurora, CO
Thomas Day Seibert, MD, MS is an emergency medicine physician with a practice address in Aurora, Colorado, and NPI 1073930061, issued on Mar 27, 2014. Check the license on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Day Seibert
- Credential
- MD, MS
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 300615 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1501 S Potomac St, Aurora, CO 80012
- Phone
- (303) 695-2600
- Enumerated
- Mar 27, 2014
- Record last updated
- Mar 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 2360566 LA
- Medicare enrollment
- Enrolled (PECOS I20190817000276); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2014
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 1501 S Potomac St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kalen AbbottEmergency Medicine Physician1174899314
- Derek AbelPharmacist1871251082
- Paige ArcheyEmergency Medicine Physician1083697783
- Judith Barrios, RNEmergency Registered Nurse1770399701
- Christopher BassettEmergency Medicine Physician1891060133
- Cara Bauman, PA-CPhysician Assistant1649409533
Verify Thomas Day Seibert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average emergency medicine physician in 2024
111 Medicare Part D claims for 80 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Prednisone16 claims
- Oxycodone Hcl11 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: $1,306.75
6 payments; by number, the most common kind was food and beverage; the largest payer was Roche Molecular Systems, Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- Carepoint Emergency Medicine, PLLCAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Day Seibert among 1,434 emergency medicine physician records in Colorado
Thomas Day Seibert, MD, MS 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 2014, is newer than 77% of them.
- NPI issued2014 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2014 · median 2011 among the 810 with a school on file
- Record last updated2019 · 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
- Paige ArcheyAurora, CO 800121083697783
- Richard BieserAurora, CO 800121760466239
- Sangeeta Clarke, M.D.Aurora, CO 800121477595072
- Lisa FloydAurora, CO 800121750366720
- Steven FurerAurora, CO 800121760467831
- Frank LansvilleAurora, CO 800121417933789
- Kimberly MorelandAurora, CO 800121437137825
- Heather Naiman-CryselAurora, CO 800121922081439
Common questions
What is Thomas Day Seibert, MD, MS's NPI number?
Thomas Day Seibert, MD, MS's National Provider Identifier (NPI) is 1073930061, issued on Mar 27, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Day Seibert, MD, MS located?
The NPPES record lists a practice address at 1501 S Potomac St, Aurora, CO, 80012. Phone: (303) 695-2600. Providers update this record themselves, so call before visiting.
How can I verify Thomas Day Seibert, MD, MS's license?
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 Thomas Day Seibert, MD, MS prescribe under Medicare Part D?
In 2024, Thomas Day Seibert, MD, MS had 111 Medicare Part D claims for 80 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.