DR. ADAM F NIEDELMAN MD
NPI 1316963655
Internal Medicine - Cardiovascular Disease in Mystic, CT
About Dr. Adam F Niedelman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ADAM F NIEDELMAN MD (NPI 1316963655) is an individual cardiovascular disease provider in Mystic, Connecticut, licensed in Connecticut (047082) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Norwich, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2000).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Dr. Adam F Niedelman Md 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 Adam Niedelman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 clinicians in this Medicare group
New Haven, CT 06511
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 clinicians in this Medicare group
Baton Rouge, LA 70816
- Reassigned Medicare billing, Connecticut and Rhode Island enrollments
- 127 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 26
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 06355 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MYSTIC, CT 06355
MYSTIC, CT 06355
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 Adam Niedelman's NPI number?
The NPI number for Adam Niedelman is 1316963655. It was assigned to this individual provider in the NPPES registry on July 13, 2006.
Where is Adam Niedelman located?
Adam Niedelman practices at 100 Perkins Farm Dr Ste 301, Mystic, CT 06355. The listed phone number is (860) 572-5400.
What is Adam Niedelman's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Adam Niedelman enrolled in Medicare?
Yes. Adam Niedelman 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 Adam Niedelman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adam Niedelman reassigns Medicare benefits to 3 organizations: Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT), Yale University (New Haven, CT) and Hospital Medicine Associates LLC (Baton Rouge, LA). 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 Adam Niedelman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Adam Niedelman accept?
Health plans from Anthem Blue Cross and Blue Shield list Adam Niedelman 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 Adam Niedelman was last updated on March 12, 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.