Dr. Than Sein, DO
- Part D claims, 2024
- 44
- Hospital affiliations
- 1
- Industry payments
- $26
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 800 S 3rd St, Montrose, CO 81401
- Practice phone
- Call (970) 249-2211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sein's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Than Sein is an internist in Montrose, Colorado
Dr. Sein practices at Montrose Regional Health in Montrose, Colorado, part of Montrose Regional Health.
Dr. Sein's NPI, 1104685890, was assigned on March 15, 2024. Dr. Sein holds Colorado license DR.0076053.
- NPI
- 1104685890NPI Registry (opens in a new tab)
- NPI enumeration date
- March 15, 2024
- NPI status
- Active
- Practice phone
- (970) 249-2211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Than Sein practices at Montrose Regional Health in Montrose, Colorado
Dr. Sein's primary practice is Montrose Regional Health, at 800 S 3rd St, Montrose, CO 81401 in Montrose County. The practice phone is (970) 249-2211.
- Montrose Regional Health800 S 3rd St, Montrose, CO 81401 · Montrose CountyPhone(970) 249-2211
Source: Dmand AI Affiliation Data
Dr. Than Sein is affiliated with 2 sites of care
Dr. Sein's primary practice is Montrose Regional Health in Montrose, Colorado, part of Montrose Regional Health. Dmand AI also links Dr. Sein to 1 hospital outpatient department, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Than Sein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sein practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Montrose Regional Health | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Montrose Regional Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Than Sein is one of 1,668 internists in Colorado
Internal medicine is Dr. Sein's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sein is licensed in Colorado.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
Internists near Dr. Sein
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Than Sein's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Sein's median patient age at 59, with 51% women.
Dr. Sein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Than Sein wrote 44 Medicare Part D claims in 2024
In 2024, Dr. Sein wrote 44 Medicare Part D claims for 22 patients. 91% of them were for generic drugs.
Dr. Sein's Part D claims by kind of drug, 2024
- Generic40 claims91%
- Brand-name and other4 claims9%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Than Sein received $26 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Sein from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $26.
Companies that paid Dr. Sein the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Than Sein's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Than Sein
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Than Sein's NPI number?
Dr. Than Sein's NPI number is 1104685890. It was assigned on March 15, 2024, and it is active in the NPI Registry.
What kind of doctor is Dr. Than Sein?
Dr. Than Sein is an internist in Montrose, Colorado. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Than Sein practice?
Dr. Sein practices at 800 S 3rd St, Montrose, CO 81401. Dr. Sein's primary practice is Montrose Regional Health in Montrose, Colorado, part of Montrose Regional Health. Dmand AI also links Dr. Sein to 1 hospital outpatient department.
What is Dr. Than Sein's office phone number?
The practice phone on file for Dr. Sein is (970) 249-2211.
What is Dr. Than Sein's medical license number?
Dr. Sein holds Colorado license DR.0076053.
Which hospitals is Dr. Than Sein affiliated with?
Dr. Sein practices at Montrose Regional Health in Montrose, Colorado.
Has Dr. Than Sein received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Dr. Sein from 1 company from 2025 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Than Sein been practicing?
Dr. Sein's NPI was assigned in 2024.
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