DR. ELLYN SUE SHANDER MD
NPI 1134278500
Psychiatry & Neurology - Psychiatry in Stamford, CT
About Dr. Ellyn Sue Shander Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELLYN SUE SHANDER MD (NPI 1134278500) is an individual psychiatry provider in Stamford, Connecticut, licensed in Connecticut (024821) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Torrington, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1979).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Dr. Ellyn Sue Shander Md 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
6Medicare enrollment records show Ellyn Shander reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenwich, CT 06830
- Reassigned Medicare billing, Connecticut enrollment
- 268 clinicians in this Medicare group
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 12 clinicians in this Medicare group
Hamilton, NJ 08619
- Reassigned Medicare billing, New Jersey enrollment
- 10 clinicians in this Medicare group
Dallas, TX 75201
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Access Telecare California PC
- 194 clinicians in this Medicare group
Dallas, TX 75201
- Reassigned Medicare billing, Connecticut, Florida, Iowa, Massachusetts, New Jersey, New York, Pennsylvania, Virginia and Washington enrollments
- 90 clinicians in this Medicare group
Dallas, TX 75201
- Reassigned Medicare billing, Iowa enrollment
- 36 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
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 06903 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.
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 Ellyn Shander's NPI number?
The NPI number for Ellyn Shander is 1134278500. It was assigned to this individual provider in the NPPES registry on January 8, 2007.
Where is Ellyn Shander located?
Ellyn Shander practices at 1933 Long Ridge Rd, Stamford, CT 06903. The listed phone number is (203) 595-9205.
What is Ellyn Shander's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Ellyn Shander enrolled in Medicare?
Yes. Ellyn Shander 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 Ellyn Shander's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellyn Shander reassigns Medicare benefits to 6 organizations: Greenwich Hospital (Greenwich, CT), Continuum Of Care, Inc. (New Haven, CT), Forefront-Rosenzweig Behavioral Health Medical Services PC (Hamilton, NJ), Access Telecare California, P.C. (Dallas, TX), Access Telecare, PLLC (Dallas, TX) and 1 more organization, listed in the Medicare section above. 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 Ellyn Shander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ellyn Shander accept?
Health plans from Anthem Blue Cross and Blue Shield list Ellyn Shander 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 Ellyn Shander was last updated on January 19, 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.
# Dr. Ellyn Sue Shander, MD · NPI 1134278500
Psychiatry physician in Stamford, Connecticut. Individual provider, active in the CMS NPPES registry since January 8, 2007.
## Identity
- **NPI:** 1134278500 (Entity type: Individual)
- **Enumerated:** January 8, 2007
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 024821 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1933 LONG RIDGE RD, Stamford, CT 06903-3201
- **Phone:** (203) 595-9205 · **Fax:** (203) 329-8011
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Greenwich Hospital (NPI 1609846088, Greenwich, CT); Continuum Of Care, Inc. (NPI 1922132083, New Haven, CT); Forefront-Rosenzweig Behavioral Health Medical Services PC (NPI 1902418007, Hamilton, NJ); Access Telecare California, P.C. (NPI 1861959959, Dallas, TX); Access Telecare, PLLC (NPI 1013303080, Dallas, TX); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albert Einstein College Of Medicine Of Yeshiva University, class of 1979
## Record status
- **NPPES last updated:** January 19, 2026
- **Other identifiers:** Other 024821 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1134278500) · Data from the CMS NPPES public registry.