JEFFREY D HART DO
NPI 1386801579
Orthopaedic Surgery in Massapequa, NY
About Jeffrey D Hart Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY D HART DO (NPI 1386801579) is an individual orthopaedic surgery provider in Massapequa, New York, licensed in New York (259570) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with St Charles Hospital, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2008).
NPPES Registry Identity
Specialties & Licenses 2
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
Jeffrey D Hart Do 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 Jeffrey Hart reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Massapequa, NY 11758
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Jeffrey D. Hart, D.O., P.C.
- 2 clinicians in this Medicare group
Stony Brook, NY 11790
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Hart Orthopedic Surgery PC
- 2 clinicians in this Medicare group
East Setauket, NY 11733
- Reassigned Medicare billing, New York enrollment
- 40 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 14
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Charles Hospital
Acute Care Hospitals · Port Jefferson, NYChsli St Joseph Hospital
Acute Care Hospitals · Bethpage, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11758 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
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MASSAPEQUA, NY 11758
MASSAPEQUA, NY 11758
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 Jeffrey Hart's NPI number?
The NPI number for Jeffrey Hart is 1386801579. It was assigned to this individual provider in the NPPES registry on May 16, 2008.
Where is Jeffrey Hart located?
Jeffrey Hart practices at 4200 Sunrise Hwy, Massapequa, NY 11758. The listed phone number is (833) 374-2787.
What is Jeffrey Hart's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Jeffrey Hart enrolled in Medicare?
Yes. Jeffrey Hart 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 Jeffrey Hart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Hart reassigns Medicare benefits to 3 organizations: Jeffrey D. Hart Do PC (Massapequa, NY), Hart Orthopedic Surgery, P.C. (Stony Brook, NY) and Orthopedic Assoc Of Long Island Physicians & Medical Group PLLC (East Setauket, NY). 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 Jeffrey Hart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jeffrey Hart affiliated with any hospitals?
According to CMS data, Jeffrey Hart is affiliated with St Charles Hospital and Chsli St Joseph Hospital.
When was this NPI record last updated?
The NPPES record for Jeffrey Hart was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.