DR. NELL EISENBERG M.D.
NPI 1619063690
Hospitalist in New York, NY
About Dr. Nell Eisenberg M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NELL EISENBERG M.D. (NPI 1619063690) is an individual hospitalist provider in New York, New York, licensed in New York (220819) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Unc Hospitals, and is a graduate of Columbia University College Of Physicians And Surgeons (1999).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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. Nell Eisenberg M.d. 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
4Medicare enrollment records show Nell Eisenberg reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10065
- Reassigned Medicare billing, New York enrollment
- 980 clinicians in this Medicare group
Brooklyn, NY 11215
- Reassigned Medicare billing, New York enrollment
- 1,029 clinicians in this Medicare group
South Boston, VA 24592
- Reassigned Medicare billing, North Carolina enrollment
- 2,797 clinicians in this Medicare group
Siler City, NC 27344
- Reassigned Medicare billing, North Carolina enrollment
- 234 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Unc Hospitals
Acute Care Hospitals · Chapel Hill, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10065 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.
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 Nell Eisenberg's NPI number?
The NPI number for Nell Eisenberg is 1619063690. It was assigned to this individual provider in the NPPES registry on October 5, 2006. The provider is also known as Helen Nell Eisenberg.
Where is Nell Eisenberg located?
Nell Eisenberg practices at 525 East 68th St, Box 130 Division Of Hospital Medicine, Weill Cornell Medical Co, New York, NY 10065. The listed phone number is (212) 746-4071.
What is Nell Eisenberg's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Nell Eisenberg enrolled in Medicare?
Yes. Nell Eisenberg 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 Nell Eisenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nell Eisenberg reassigns Medicare benefits to 4 organizations: Weill Medical College Of Cornell (New York, NY), Kings Physician Services, PC (Brooklyn, NY), University Of North Carolina At Chapel Hill (South Boston, VA) and Chatham Hospital, Inc. (Siler City, NC). 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 Nell Eisenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nell Eisenberg accept?
Health plans from UnitedHealthcare list Nell Eisenberg 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 Nell Eisenberg affiliated with any hospitals?
According to CMS data, Nell Eisenberg is affiliated with Unc Hospitals.
When was this NPI record last updated?
The NPPES record for Nell Eisenberg was last updated on September 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Nell Eisenberg, M.D. · NPI 1619063690
Hospitalist physician in New York, New York. Individual provider, active in the CMS NPPES registry since October 5, 2006.
## Identity
- **NPI:** 1619063690 (Entity type: Individual)
- **Enumerated:** October 5, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 220819 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 525 EAST 68TH ST, BOX 130, DIVISION OF HOSPITAL MEDICINE, WEILL CORNELL MEDICAL CO, New York, NY 10065-4870
- **Phone:** (212) 746-4071 · **Fax:** (212) 746-4734
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Weill Medical College Of Cornell (NPI 1326088675, New York, NY); Kings Physician Services, PC (NPI 1083045090, Brooklyn, NY); University Of North Carolina At Chapel Hill (NPI 1407308703, South Boston, VA); Chatham Hospital, Inc. (NPI 1689967457, Siler City, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 1999
## Record status
- **NPPES last updated:** September 20, 2023
- **Other identifiers:** Medicaid 02253749 (NY)
---
Source: [NPI Profile](https://npiprofile.com/npi/1619063690) · Data from the CMS NPPES public registry.