DR. THAO DORAN D.O.
NPI 1699865063
Family Medicine in Marlborough, CT
About Dr. Thao Doran D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THAO DORAN D.O. (NPI 1699865063) is an individual family medicine provider in Marlborough, Connecticut, licensed in Connecticut (051003) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Hartford.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Thao Doran D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Thao Doran reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Farmington, CT 06032
- Reassigned Medicare billing, Connecticut enrollment
- 496 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Connecticut enrollment
- 167 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06447 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARLBOROUGH, CT 06447
MARLBOROUGH, CT 06447
MARLBOROUGH, CT 06447
MARLBOROUGH, CT 06447
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 Thao Doran's NPI number?
The NPI number for Thao Doran is 1699865063. It was assigned to this individual provider in the NPPES registry on October 13, 2006.
Where is Thao Doran located?
Thao Doran practices at 14 Jones Hollow Rd, Marlborough, CT 06447. The listed phone number is (860) 295-0436.
What is Thao Doran's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Thao Doran enrolled in Medicare?
Yes. Thao Doran is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Thao Doran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thao Doran reassigns Medicare benefits to 2 organizations: Prohealth Physicians PC (Farmington, CT) and Signify Health Medical Associates, PLLC (Dallas, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thao Doran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Thao Doran was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.