MARGARET HEATHER EINSTEIN M.D.
NPI 1295791705
Obstetrics & Gynecology - Gynecologic Oncology in Hartford, CT
About Margaret Heather Einstein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET HEATHER EINSTEIN M.D. (NPI 1295791705) is an individual gynecologic oncology provider in Hartford, Connecticut, licensed in Connecticut (049701) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (2003).
NPPES Registry Identity
Specialties & Licenses 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
Margaret Heather Einstein M.d. 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
5Medicare enrollment records show Margaret Einstein reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06102
- Reassigned Medicare billing, Connecticut enrollment
- 1,333 clinicians in this Medicare group
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
New Britain, CT 06052
- Reassigned Medicare billing, Connecticut enrollment
- 745 clinicians in this Medicare group
Cromwell, CT 06416
- Reassigned Medicare billing, Connecticut enrollment
- 147 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 06102 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
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 Margaret Einstein's NPI number?
The NPI number for Margaret Einstein is 1295791705. It was assigned to this individual provider in the NPPES registry on April 24, 2006.
Where is Margaret Einstein located?
Margaret Einstein practices at 80 Seymour Street Hartford Hospital Gyn Oncology Dept, Hartford, CT 06102. The listed phone number is (860) 545-4341.
What is Margaret Einstein's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.
Is Margaret Einstein enrolled in Medicare?
Yes. Margaret Einstein 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 Margaret Einstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Einstein reassigns Medicare benefits to 5 organizations: Hartford Hospital (Hartford, CT), Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT), Hartford Healthcare Medical Group, Inc (Wethersfield, CT), The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT) and Mhs Primary Care (Cromwell, 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 Margaret Einstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Einstein accept?
Health plans from Anthem Blue Cross and Blue Shield list Margaret Einstein 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 Margaret Einstein was last updated on May 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Margaret Heather Einstein, M.D. · NPI 1295791705
Gynecologic Oncology physician in Hartford, Connecticut. Individual provider, active in the CMS NPPES registry since April 24, 2006.
## Identity
- **NPI:** 1295791705 (Entity type: Individual)
- **Enumerated:** April 24, 2006
- **Primary specialty:** Obstetrics & Gynecology - Gynecologic Oncology · taxonomy 207VX0201X
- **State license:** 049701 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 80 SEYMOUR STREET, HARTFORD HOSPITAL GYN ONCOLOGY DEPT, Hartford, CT 06102-5037
- **Phone:** (860) 545-4341
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Hartford Hospital (NPI 1770696643, Hartford, CT); Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT); Hartford Healthcare Medical Group, Inc (NPI 1043561301, Wethersfield, CT); The Hospital Of Central Connecticut At New Britain General And Bradley (NPI 1063461481, New Britain, CT); Mhs Primary Care (NPI 1538386420, Cromwell, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2003
## Record status
- **NPPES last updated:** May 27, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1295791705) · Data from the CMS NPPES public registry.