DEBORAH TAN DO
NPI 1407435670
Internal Medicine in Southampton, NY
About Deborah Tan Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEBORAH TAN DO (NPI 1407435670) is an individual internal medicine provider in Southampton, New York, licensed in Connecticut (79114) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Deborah Tan Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Deborah Tan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Norwich, CT 06360
- Reassigned Medicare billing, Connecticut enrollment
- 430 clinicians in this Medicare group
Willimantic, CT 06226
- Reassigned Medicare billing, Connecticut enrollment
- 302 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 11968 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SOUTHAMPTON, NY 11968
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 Deborah Tan's NPI number?
The NPI number for Deborah Tan is 1407435670. It was assigned to this individual provider in the NPPES registry on April 5, 2021.
Where is Deborah Tan located?
Deborah Tan practices at 240 Meeting House Ln, Southampton, NY 11968. The listed phone number is (631) 726-8200.
What is Deborah Tan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Deborah Tan enrolled in Medicare?
Yes. Deborah Tan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Deborah Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deborah Tan reassigns Medicare benefits to 2 organizations: William W Backus Hospital (Norwich, CT) and Windham Community Memorial Hospital, Inc. (Willimantic, CT). 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 Deborah Tan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Deborah Tan accept?
Health plans from Anthem Blue Cross and Blue Shield list Deborah Tan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Deborah Tan was last updated on August 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Deborah Tan, DO · NPI 1407435670
Internal Medicine physician in Southampton, New York. Individual provider, active in the CMS NPPES registry since April 5, 2021.
## Identity
- **NPI:** 1407435670 (Entity type: Individual)
- **Enumerated:** April 5, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 79114 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 240 MEETING HOUSE LN, Southampton, NY 11968-5009
- **Phone:** (631) 726-8200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): William W Backus Hospital (NPI 1730243536, Norwich, CT); Windham Community Memorial Hospital, Inc. (NPI 1023191467, Willimantic, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Erie, class of 2021
## Record status
- **NPPES last updated:** August 14, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1407435670) · Data from the CMS NPPES public registry.