DR. DIANE KERSTEIN MD
NPI 1952380578
Pediatrics - Pediatric Cardiology in Mount Kisco, NY
About Dr. Diane Kerstein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIANE KERSTEIN MD (NPI 1952380578) is an individual pediatric cardiology provider in Mount Kisco, New York, licensed in New York (173911) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Diane Kerstein Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Diane Kerstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fort Lee, NJ 07024
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1508266347 (New York)
- 1,048 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.
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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT KISCO, NY 10549
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 Diane Kerstein's NPI number?
The NPI number for Diane Kerstein is 1952380578. It was assigned to this individual provider in the NPPES registry on January 12, 2006.
Where is Diane Kerstein located?
Diane Kerstein practices at 666 Lexington Ave Ste 111, Mount Kisco, NY 10549. The listed phone number is (914) 864-1441.
What is Diane Kerstein's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Diane Kerstein enrolled in Medicare?
Yes. Diane Kerstein is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Diane Kerstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diane Kerstein reassigns Medicare benefits to Trustees Of Columbia University In The City Of New York (Fort Lee, NJ). The 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 Diane Kerstein'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 Diane Kerstein was last updated on October 31, 2022. 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. Diane Kerstein, MD · NPI 1952380578
Pediatric Cardiology physician in Mount Kisco, New York. Individual provider, active in the CMS NPPES registry since January 12, 2006.
## Identity
- **NPI:** 1952380578 (Entity type: Individual)
- **Enumerated:** January 12, 2006
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 173911 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 666 LEXINGTON AVE STE 111, Mount Kisco, NY 10549-3638
- **Phone:** (914) 864-1441
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Trustees Of Columbia University In The City Of New York (NPI 1982993184, Fort Lee, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 31, 2022
- **Other identifiers:** Medicaid 01346836 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1952380578) · Data from the CMS NPPES public registry.