ANN TERESA RUPP FNP
NPI 1790243632
Nurse Practitioner - Family in Stamford, CT
About Ann Teresa Rupp Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN TERESA RUPP FNP (NPI 1790243632) is an individual family provider in Stamford, Connecticut, licensed in Connecticut (8183) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with White Plains Hospital Center, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Ann Teresa Rupp Fnp 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 Ann Rupp reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 clinicians in this Medicare group
White Plains, NY 10601
- Reassigned Medicare billing, New York enrollment
- 445 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 16
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
White Plains Hospital Center
Acute Care Hospitals · White Plains, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06902 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STAMFORD, CT 06902
STAMFORD, CT 06902
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 Ann Rupp's NPI number?
The NPI number for Ann Rupp is 1790243632. It was assigned to this individual provider in the NPPES registry on March 11, 2019.
Where is Ann Rupp located?
Ann Rupp practices at 292 Long Ridge Rd Ste 206, Stamford, CT 06902. The listed phone number is (203) 276-7213.
What is Ann Rupp's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Ann Rupp enrolled in Medicare?
Yes. Ann Rupp 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 Ann Rupp's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Rupp reassigns Medicare benefits to 2 organizations: Optum Medical Care, P.C. (Mount Kisco, NY) and White Plains Physician Services PC (White Plains, NY). 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 Ann Rupp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ann Rupp affiliated with any hospitals?
According to CMS data, Ann Rupp is affiliated with White Plains Hospital Center.
When was this NPI record last updated?
The NPPES record for Ann Rupp was last updated on April 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ann Teresa Rupp, FNP · NPI 1790243632
Family physician in Stamford, Connecticut. Individual provider, active in the CMS NPPES registry since March 11, 2019.
## Identity
- **NPI:** 1790243632 (Entity type: Individual)
- **Enumerated:** March 11, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 8183 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 292 LONG RIDGE RD STE 206, Stamford, CT 06902-1627
- **Phone:** (203) 276-7213
## 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): Optum Medical Care, P.C. (NPI 1982643003, Mount Kisco, NY); White Plains Physician Services PC (NPI 1124502687, White Plains, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** April 29, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1790243632) · Data from the CMS NPPES public registry.