Than Sein, DO
Internal Medicine Physician · Lone Tree, CO
Than Sein, DO is an internal medicine physician with a practice address in Lone Tree, Colorado, and NPI 1104685890, issued on Mar 15, 2024. Check the license (Colorado DR.0076053, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Than Sein
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DR.0076053 CO
Self-reported in NPPES; status is on the state search - Practice location
- 10099 Ridgegate Pkwy Ste 200, Lone Tree, CO 80124
- Phone
- (720) 875-2880
- Enumerated
- Mar 15, 2024
- Record last updated
- Jul 29, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 10099 Ridgegate Pkwy Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Aya Ahram, DOStudent in an Organized Health Care Education/Training Program1710448691
- Travis Allen, DOStudent in an Organized Health Care Education/Training Program1386445674
- Hans AndersonStudent in an Organized Health Care Education/Training Program1861078560
- Quentin AnsonStudent in an Organized Health Care Education/Training Program1679374821
- Cameron Banning, DOStudent in an Organized Health Care Education/Training Program1588423040
Verify Than Sein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0076053Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
44 Medicare Part D claims for 22 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Than Sein among 2,046 internal medicine physician records in Colorado
Than Sein, DO is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than over 99% of them.
- NPI issued2024 · over 99% of these records are older, under 1% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
50 internal medicine physician records list a practice address in Lone Tree
They are 50 of the 1,405 NPPES records with a practice address in Lone Tree, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Lone Tree → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christopher Blicharski, M.D.Lone Tree, CO 801241548276975
- David Burrows, MD, FACPLone Tree, CO 801241215072160
- Andrzej Dankowski, MDLone Tree, CO 801241326014507
- Cristian Dinescu, MDLone Tree, CO 801241750302790
- Anna Gutmann, M.D.Lone Tree, CO 801241083887392
- Laura Haseganu, M.D.Lone Tree, CO 801241730347907
- Egor Kuznetsov, M.D.Lone Tree, CO 801241639337165
- Michael Mignoli, MDLone Tree, CO 801241255394722
Common questions
What is Than Sein, DO's NPI number?
Than Sein, DO's National Provider Identifier (NPI) is 1104685890, issued on Mar 15, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Than Sein, DO located?
The NPPES record lists a practice address at 10099 Ridgegate Pkwy Ste 200, Lone Tree, CO, 80124. Phone: (720) 875-2880. Providers update this record themselves, so call before visiting.
How can I verify Than Sein, DO's license?
NPPES lists Colorado license number DR.0076053, 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 Than Sein, DO prescribe under Medicare Part D?
In 2024, Than Sein, DO had 44 Medicare Part D claims for 22 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.