SUSAN H TANNENBAUM MD
NPI 1447257704
Internal Medicine - Hematology & Oncology in Farmington, CT
About Susan H Tannenbaum Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUSAN H TANNENBAUM MD (NPI 1447257704) is an individual hematology & oncology provider in Farmington, Connecticut, licensed in Connecticut (041311) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Susan H Tannenbaum Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Susan Tannenbaum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Farmington, CT 06030
- Reassigned Medicare billing, Connecticut enrollment
- 788 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 06030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FARMINGTON, CT 06030
FARMINGTON, CT 06030
FARMINGTON, CT 06030
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 Susan Tannenbaum's NPI number?
The NPI number for Susan Tannenbaum is 1447257704. It was assigned to this individual provider in the NPPES registry on July 1, 2005.
Where is Susan Tannenbaum located?
Susan Tannenbaum practices at 263 Farmington Ave, Farmington, CT 06030. The listed phone number is (860) 679-2100.
What is Susan Tannenbaum's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Susan Tannenbaum enrolled in Medicare?
Yes. Susan Tannenbaum is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Susan Tannenbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Tannenbaum reassigns Medicare benefits to University Of Connecticut Health Center (Farmington, CT). The 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 Susan Tannenbaum'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 Susan Tannenbaum was last updated on September 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Susan H Tannenbaum, MD · NPI 1447257704
Hematology & Oncology physician in Farmington, Connecticut. Individual provider, active in the CMS NPPES registry since July 1, 2005.
## Identity
- **NPI:** 1447257704 (Entity type: Individual)
- **Enumerated:** July 1, 2005
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 041311 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 263 FARMINGTON AVE, Farmington, CT 06030-0001
- **Phone:** (860) 679-2100 · **Fax:** (860) 679-4815
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Connecticut Health Center (NPI 1720083769, Farmington, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 26, 2022
- **Other identifiers:** Medicaid 1413111 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1447257704) · Data from the CMS NPPES public registry.