JONATHAN S. MARKOWITZ
NPI 1841758448
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Merrick, NY
About Jonathan S. Markowitz NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN S. MARKOWITZ (NPI 1841758448) is an individual orthopaedic surgery of the spine provider in Merrick, New York, licensed in New York (334244) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Huntington Hospital, and is a graduate of Rush Medical College Of Rush University (2019).
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
Jonathan S. Markowitz 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 Reassignment
Medicare enrollment records show Jonathan Markowitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Merrick, NY 11566
- Reassigned Medicare billing, New York enrollment
- 178 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ns/Lij Hs Huntington Hospital
Acute Care Hospitals · Huntington, NYNorth Shore University Hospital
Acute Care Hospitals · Manhasset, NYJohn T Mather Memorial Hospital Of Port Jefferson
Acute Care Hospitals · Port Jefferson, NYLong Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYOther Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MERRICK, NY 11566
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 Jonathan Markowitz's NPI number?
The NPI number for Jonathan Markowitz is 1841758448. It was assigned to this individual provider in the NPPES registry on March 4, 2019.
Where is Jonathan Markowitz located?
Jonathan Markowitz practices at 1728 Sunrise Hwy, Merrick, NY 11566. The listed phone number is (516) 302-8180.
What is Jonathan Markowitz's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Jonathan Markowitz enrolled in Medicare?
Yes. Jonathan Markowitz 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 organization bills Medicare for Jonathan Markowitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Markowitz reassigns Medicare benefits to True North Medical Group PC (Merrick, NY). 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 Jonathan Markowitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jonathan Markowitz affiliated with any hospitals?
According to CMS data, Jonathan Markowitz is affiliated with Ns/Lij Hs Huntington Hospital, North Shore University Hospital, John T Mather Memorial Hospital Of Port Jefferson and Long Island Jewish Medical Center.
When was this NPI record last updated?
The NPPES record for Jonathan Markowitz was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.
# Jonathan S. Markowitz · NPI 1841758448
Orthopaedic Surgery of the Spine physician in Merrick, New York. Individual provider, active in the CMS NPPES registry since March 4, 2019.
## Identity
- **NPI:** 1841758448 (Entity type: Individual)
- **Enumerated:** March 4, 2019
- **Primary specialty:** Orthopaedic Surgery - Orthopaedic Surgery of the Spine · taxonomy 207XS0117X
- **State license:** 334244 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1728 SUNRISE HWY, Merrick, NY 11566-3745
- **Phone:** (516) 302-8180
## 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:** True North Medical Group PC (NPI 1659883486, Merrick, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 2019
## Record status
- **NPPES last updated:** August 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1841758448) · Data from the CMS NPPES public registry.