HARRIS NAGLER MD
NPI 1891777991
Urology in New York, NY
About Harris Nagler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HARRIS NAGLER MD (NPI 1891777991) is an individual urology provider in New York, New York, licensed in New York (127892) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Lenox Hill Hospital, and is a graduate of Temple University School Of Medicine (1975).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Harris Nagler 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
2Medicare enrollment records show Harris Nagler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10003
- Reassigned Medicare billing, New York enrollment
- 346 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 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 9
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lenox Hill Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Harris Nagler's NPI number?
The NPI number for Harris Nagler is 1891777991. It was assigned to this individual provider in the NPPES registry on November 16, 2005.
Where is Harris Nagler located?
Harris Nagler practices at 10 Union Sq E Bimc Dept Of Urology, New York, NY 10003. The listed phone number is (212) 844-8900.
What is Harris Nagler's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Harris Nagler enrolled in Medicare?
Yes. Harris Nagler 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 Harris Nagler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harris Nagler reassigns Medicare benefits to 2 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY) and North Shore - Lij Medical PC (New Hyde Park, 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 Harris Nagler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Harris Nagler affiliated with any hospitals?
According to CMS data, Harris Nagler is affiliated with Lenox Hill Hospital.
When was this NPI record last updated?
The NPPES record for Harris Nagler was last updated on September 25, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Harris Nagler, MD · NPI 1891777991
Urology physician in New York, New York. Individual provider, active in the CMS NPPES registry since November 16, 2005.
## Identity
- **NPI:** 1891777991 (Entity type: Individual)
- **Enumerated:** November 16, 2005
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** 127892 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 10 UNION SQ E, BIMC DEPT OF UROLOGY, New York, NY 10003-3314
- **Phone:** (212) 844-8900
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Icahn School Of Medicine At Mount Sinai (NPI 1013386812, New York, NY); North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 1975
## Record status
- **NPPES last updated:** September 25, 2012
- **Other identifiers:** Medicare ID-Type Unspecified 53A801 (NY); Medicaid 00772069 (NY); Medicare UPIN C11006
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Source: [NPI Profile](https://npiprofile.com/npi/1891777991) · Data from the CMS NPPES public registry.