DR. CYNTHIA B HELLER
NPI 1639155179
Internal Medicine in South Windsor, CT
About Dr. Cynthia B Heller NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CYNTHIA B HELLER (NPI 1639155179) is an individual internal medicine provider in South Windsor, Connecticut, licensed in Connecticut (030644) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Cynthia B Heller is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Cynthia Heller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 clinicians in this Medicare group
Wethersfield, CT 06109
- Reassigned Medicare billing, Connecticut enrollment
- 747 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 3
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 06074 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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTH WINDSOR, CT 06074
SOUTH WINDSOR, CT 06074
SOUTH WINDSOR, CT 06074
SOUTH WINDSOR, CT 06074
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 Cynthia Heller's NPI number?
The NPI number for Cynthia Heller is 1639155179. It was assigned to this individual provider in the NPPES registry on December 16, 2005.
Where is Cynthia Heller located?
Cynthia Heller practices at 1559 Sullivan Ave Hartford Medical Group, South Windsor, CT 06074. The listed phone number is (860) 696-2350.
What is Cynthia Heller's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Cynthia Heller enrolled in Medicare?
Yes. Cynthia Heller is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Cynthia Heller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Heller reassigns Medicare benefits to 2 organizations: Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT) and Hartford Healthcare Medical Group, Inc (Wethersfield, 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 Cynthia Heller'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 Cynthia Heller was last updated on October 29, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Cynthia B Heller · NPI 1639155179
Internal Medicine physician in South Windsor, Connecticut. Individual provider, active in the CMS NPPES registry since December 16, 2005.
## Identity
- **NPI:** 1639155179 (Entity type: Individual)
- **Enumerated:** December 16, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 030644 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 1559 SULLIVAN AVE, HARTFORD MEDICAL GROUP, South Windsor, CT 06074-2712
- **Phone:** (860) 696-2350 · **Fax:** (860) 696-2360
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT); Hartford Healthcare Medical Group, Inc (NPI 1043561301, Wethersfield, CT) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 29, 2012
- **Other identifiers:** Medicare PIN 700004941; Medicaid 001306449 (CT); Medicare UPIN E69035; and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1639155179) · Data from the CMS NPPES public registry.