ALAN DAVID KESTENBAUM M.D.
NPI 1043223597
Anesthesiology in Waterbury, CT
About Alan David Kestenbaum M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALAN DAVID KESTENBAUM M.D. (NPI 1043223597) is an individual anesthesiology provider in Waterbury, Connecticut, licensed in Connecticut (66608) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic Martin North Hospital, and maintains a secondary practice location in White Plains.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Alan David Kestenbaum 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
4Medicare enrollment records show Alan Kestenbaum reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11219
- Reassigned Medicare billing, New York enrollment
- 80 clinicians in this Medicare group
Melbourne, FL 32940
- Reassigned Medicare billing, Florida enrollment
- 378 clinicians in this Medicare group
Stuart, FL 34994
- Reassigned Medicare billing, Florida enrollment
- 225 clinicians in this Medicare group
Coral Gables, FL 33134
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: South Florida Anesthesia & Pain Treatment PA
- 234 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 15
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.
Cleveland Clinic Martin North Hospital
Acute Care Hospitals · Stuart, FLOther 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 06708
WATERBURY, CT 06708
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 Alan Kestenbaum's NPI number?
The NPI number for Alan Kestenbaum is 1043223597. It was assigned to this individual provider in the NPPES registry on August 15, 2006.
Where is Alan Kestenbaum located?
Alan Kestenbaum practices at 64 Robbins St, Waterbury, CT 06708. The listed phone number is (203) 573-6000.
What is Alan Kestenbaum's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Alan Kestenbaum enrolled in Medicare?
Yes. Alan Kestenbaum 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 Alan Kestenbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Kestenbaum reassigns Medicare benefits to 4 organizations: Anesthesiology Associates Of Boro Park, LLP (Brooklyn, NY), Brevard Physician Associates, PLLC (Melbourne, FL), Treasure Coast Anesthesia Group PA (Stuart, FL) and South Florida Anesthesia & Pain Treatment, P.A. (Coral Gables, FL). 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 Alan Kestenbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alan Kestenbaum accept?
Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Alan Kestenbaum 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.
Is Alan Kestenbaum affiliated with any hospitals?
According to CMS data, Alan Kestenbaum is affiliated with Cleveland Clinic Martin North Hospital.
When was this NPI record last updated?
The NPPES record for Alan Kestenbaum was last updated on October 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.