DR. MARGARET JOAN-CLAIRE NOONAN M.D.
NPI 1154635217
Emergency Medicine in Waterbury, CT
About Dr. Margaret Joan-claire Noonan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET JOAN-CLAIRE NOONAN M.D. (NPI 1154635217) is an individual emergency medicine provider in Waterbury, Connecticut, licensed in Connecticut (053466) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At San Antonio (2010).
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
Dr. Margaret Joan-claire Noonan 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
3Medicare enrollment records show Margaret Noonan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Torrington, CT 06790
- Reassigned Medicare billing, Connecticut enrollment
- 374 clinicians in this Medicare group
Hartford, CT 06102
- Reassigned Medicare billing, Connecticut enrollment
- 1,333 clinicians in this Medicare group
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 1,186 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 4
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 06706 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WATERBURY, CT 06706
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 Noonan's NPI number?
The NPI number for Margaret Noonan is 1154635217. It was assigned to this individual provider in the NPPES registry on July 31, 2010.
Where is Margaret Noonan located?
Margaret Noonan practices at 56 Franklin St Dept Of Em, Waterbury, CT 06706. The listed phone number is (203) 709-6000.
What is Margaret Noonan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Margaret Noonan enrolled in Medicare?
Yes. Margaret Noonan 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 Noonan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Noonan reassigns Medicare benefits to 3 organizations: The Charlotte Hungerford Hospital (Torrington, CT), Hartford Hospital (Hartford, CT) and Trinity Health Of New England Provider Network Organization Inc (Hartford, 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 Noonan'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 Margaret Noonan was last updated on November 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Margaret Joan-Claire Noonan, M.D. · NPI 1154635217
Emergency Medicine physician in Waterbury, Connecticut. Individual provider, active in the CMS NPPES registry since July 31, 2010.
## Identity
- **NPI:** 1154635217 (Entity type: Individual)
- **Enumerated:** July 31, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 053466 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 56 FRANKLIN ST, DEPT OF EM, Waterbury, CT 06706-1253
- **Phone:** (203) 709-6000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): The Charlotte Hungerford Hospital (NPI 1629075734, Torrington, CT); Hartford Hospital (NPI 1407806391, Hartford, CT); Trinity Health Of New England Provider Network Organization Inc (NPI 1003882812, Hartford, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At San Antonio, class of 2010
## Record status
- **NPPES last updated:** November 15, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1154635217) · Data from the CMS NPPES public registry.