THOMAS R NAPARST MD
NPI 1194783225
Emergency Medicine in New York, NY
About Thomas R Naparst Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS R NAPARST MD (NPI 1194783225) is an individual emergency medicine provider in New York, New York, licensed in New York (206230) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic Indian River Hospital, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Thomas R Naparst 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
9Medicare enrollment records show Thomas Naparst reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 226 clinicians in this Medicare group
Union, NJ 07083
- Reassigned Medicare billing, New Jersey enrollment
- 47 clinicians in this Medicare group
Nyack, NY 10960
- Reassigned Medicare billing, New York enrollment
- 85 clinicians in this Medicare group
Derry, NH 03038
- Reassigned Medicare billing, New Hampshire enrollment
- 145 clinicians in this Medicare group
Ashland, KY 41101
- Reassigned Medicare billing, Kentucky enrollment
- 64 clinicians in this Medicare group
Beaver Dam, WI 53916
- Reassigned Medicare billing, Wisconsin enrollment
- 32 clinicians in this Medicare group
Vero Beach, FL 32960
- Reassigned Medicare billing, Florida enrollment
- 66 clinicians in this Medicare group
Aventura, FL 33180
- Reassigned Medicare billing, Florida enrollment
- 1,912 clinicians in this Medicare group
Independence, MO 64057
- Reassigned Medicare billing, Missouri enrollment
- 182 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cleveland Clinic Indian River Hospital
Acute Care Hospitals · Vero Beach, FLBaptist Health Paducah
Acute Care Hospitals · Paducah, KYNyack Hospital
Acute Care Hospitals · Nyack, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10038 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.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10038
NEW YORK, NY 10038
NEW YORK, NY 10038
NEW YORK, NY 10038
NEW YORK, NY 10038
NEW YORK, NY 10038
NEW YORK, NY 10038
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 Thomas Naparst's NPI number?
The NPI number for Thomas Naparst is 1194783225. It was assigned to this individual provider in the NPPES registry on May 1, 2006.
Where is Thomas Naparst located?
Thomas Naparst practices at 170 William Street New York University Downtown Hospital, New York, NY 10038. The listed phone number is (212) 312-5068.
What is Thomas Naparst's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Thomas Naparst enrolled in Medicare?
Yes. Thomas Naparst 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 Thomas Naparst's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Naparst reassigns Medicare benefits to 9 organizations: Weill Medical College Of Cornell (New York, NY), Union Emergency Medical Associates LLC (Union, NJ), Nyack Emergency Medical Association PLLC (Nyack, NY), Emergency Medicine Services Of Nh, LLC (Derry, NH), West Fairview Emergency Physicians LLC (Ashland, KY) and 4 more organizations, listed in the Medicare section above. 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 Thomas Naparst's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Naparst accept?
Health plans from Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Thomas Naparst 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 Thomas Naparst affiliated with any hospitals?
According to CMS data, Thomas Naparst is affiliated with Cleveland Clinic Indian River Hospital, Baptist Health Paducah and Nyack Hospital.
When was this NPI record last updated?
The NPPES record for Thomas Naparst was last updated on March 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Thomas R Naparst, MD · NPI 1194783225
Emergency Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since May 1, 2006.
## Identity
- **NPI:** 1194783225 (Entity type: Individual)
- **Enumerated:** May 1, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 206230 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 170 WILLIAM STREET, NEW YORK UNIVERSITY DOWNTOWN HOSPITAL, New York, NY 10038
- **Phone:** (212) 312-5068 · **Fax:** (212) 312-5985
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Weill Medical College Of Cornell (NPI 1205882586, New York, NY); Union Emergency Medical Associates LLC (NPI 1689847352, Union, NJ); Nyack Emergency Medical Association PLLC (NPI 1174627293, Nyack, NY); Emergency Medicine Services Of Nh, LLC (NPI 1386341444, Derry, NH); West Fairview Emergency Physicians LLC (NPI 1578060331, Ashland, KY); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** March 23, 2015
- **Other identifiers:** Medicare ID-Type Unspecified 590501 (NY); Medicare UPIN G49927
---
Source: [NPI Profile](https://npiprofile.com/npi/1194783225) · Data from the CMS NPPES public registry.