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THAN SEIN DO
NPI 1104685890
Internal Medicine in Lone Tree, CO

Active since March 15, 2024PECOS Enrolled
10099 RIDGEGATE PKWY STE 200, LONE TREE, CO 80124(720) 875-2880 Get Directions Write a Review

NPPES record last updated: July 29, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Than Sein Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THAN SEIN DO (NPI 1104685890) is an individual internal medicine provider in Lone Tree, Colorado, licensed in Colorado (DR.0076053) and active in the NPI registry since March 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104685890
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTHAN SEINCredential: DO
Location Address10099 RIDGEGATE PKWY STE 200Lone Tree, CO 80124-5532
Mailing Address10099 Ridgegate Pkwy Ste 200Lone Tree, CO 80124-5532 · (720) 875-2880
Phone(720) 875-2880
Sole ProprietorNo
Enumeration DateMarch 15, 2024
Last NPPES UpdateJuly 29, 2025
NPPES CertifiedJuly 29, 2025
✔ NPI 1104685890 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CO · DR.0076053
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
10099 RIDGEGATE PKWY STE 200, Lone Tree, CO 80124
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Than Sein Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANGEL ANTHONY EGUARAS III M.D.
Student in an Organized Health Care Education/Training Program
10099 RIDGEGATE PKWY STE 200
LONE TREE, CO 80124
Douglas County (720) 476-3364
KENYA LINDSTROM DO
Student in an Organized Health Care Education/Training Program
10099 RIDGEGATE PKWY STE 200
LONE TREE, CO 80124
Douglas County (720) 225-4464
ALISA GERMEYER DO
Student in an Organized Health Care Education/Training Program
10099 RIDGEGATE PKWY STE 200
LONE TREE, CO 80124
Douglas County (720) 225-4466
LOGAN BLACKNEY DO
Student in an Organized Health Care Education/Training Program
10099 RIDGEGATE PKWY STE 200
LONE TREE, CO 80124
Douglas County (720) 225-4466
MS. ALEX KRETOWICZ
Student in an Organized Health Care Education/Training Program
10099 RIDGEGATE PKWY STE 200
LONE TREE, CO 80124
Douglas County (720) 875-2889
MISS HALEY NEWPORT DO
Internal Medicine
10099 RIDGEGATE PKWY STE 200
LONE TREE, CO 80124
Douglas County (720) 225-4464
TRACY TANG
Student in an Organized Health Care Education/Training Program
10099 RIDGEGATE PKWY STE 200
LONE TREE, CO 80124
Douglas County (720) 225-4466
DR. CORINNE RICCI DO
Student in an Organized Health Care Education/Training Program
10099 RIDGEGATE PKWY STE 200
LONE TREE, CO 80124
Douglas County (720) 225-4466

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Than Sein's NPI number?

The NPI number for Than Sein is 1104685890. It was assigned to this individual provider in the NPPES registry on March 15, 2024.

Where is Than Sein located?

Than Sein practices at 10099 Ridgegate Pkwy Ste 200, Lone Tree, CO 80124. The listed phone number is (720) 875-2880.

What is Than Sein's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Than Sein enrolled in Medicare?

Yes. Than Sein is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Than Sein was last updated on July 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.