RUTH C PERRY CRNA
NPI 1003819871
Nurse Anesthetist, Certified Registered in Norwalk, CT
About Ruth C Perry Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUTH C PERRY CRNA (NPI 1003819871) is an individual nurse anesthetist, certified registered in Norwalk, Connecticut, licensed in Connecticut (001559) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
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
Ruth C Perry Crna 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
3Medicare enrollment records show Ruth Perry reassigns Medicare billing to 3 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
- 43 clinicians in this Medicare group
Shelton, CT 06484
- Reassigned Medicare billing, Connecticut enrollment
- 727 clinicians in this Medicare group
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 818 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 06850 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.
NORWALK, CT 06850
NORWALK, CT 06850
NORWALK, CT 06850
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 Ruth Perry's NPI number?
The NPI number for Ruth Perry is 1003819871. It was assigned to this individual provider in the NPPES registry on May 24, 2005.
Where is Ruth Perry located?
Ruth Perry practices at 24 Stevens St, Norwalk, CT 06850. The listed phone number is (203) 852-2276.
What is Ruth Perry's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Ruth Perry enrolled in Medicare?
Yes. Ruth Perry 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 Ruth Perry's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Perry reassigns Medicare benefits to 3 organizations: Greenwich Anesthesiology Associates, PC (Greenwich, CT), Integrated Anesthesia Associates LLC (Shelton, CT) and Nuvance Health Medical Practice Ct, Inc. (Danbury, 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 Ruth Perry's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ruth Perry accept?
Health plans from Anthem Blue Cross and Blue Shield list Ruth Perry 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 Ruth Perry was last updated on November 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Ruth C Perry, CRNA · NPI 1003819871
Nurse Anesthetist, Certified Registered physician in Norwalk, Connecticut. Individual provider, active in the CMS NPPES registry since May 24, 2005.
## Identity
- **NPI:** 1003819871 (Entity type: Individual)
- **Enumerated:** May 24, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 001559 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 24 STEVENS ST, Norwalk, CT 06850-3852
- **Phone:** (203) 852-2276 · **Fax:** (203) 852-2527
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Greenwich Anesthesiology Associates, PC (NPI 1972557486, Greenwich, CT); Integrated Anesthesia Associates LLC (NPI 1881636397, Shelton, CT); Nuvance Health Medical Practice Ct, Inc. (NPI 1407898117, Danbury, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** November 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1003819871) · Data from the CMS NPPES public registry.