DR. LEAH RACHEL ELLENBERG O.D.
NPI 1891146239
Optometrist in New York, NY
About Dr. Leah Rachel Ellenberg O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LEAH RACHEL ELLENBERG O.D. (NPI 1891146239) is an individual optometrist in New York, New York, licensed in New York (008461) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
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
Dr. Leah Rachel Ellenberg O.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 Leah Ellenberg 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 10036
- Reassigned Medicare billing, New York enrollment
- 216 clinicians in this Medicare group
New York, NY 10017
- Reassigned Medicare billing, New York enrollment
- 31 clinicians in this Medicare group
New York, NY 10023
- Reassigned Medicare billing, New York enrollment
- 6 clinicians in this Medicare group
Bronx, NY 10469
- Reassigned Medicare billing, New York enrollment
- 16 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10036 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 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 Leah Ellenberg's NPI number?
The NPI number for Leah Ellenberg is 1891146239. It was assigned to this individual provider in the NPPES registry on June 27, 2016.
Where is Leah Ellenberg located?
Leah Ellenberg practices at 33 W 42nd St, New York, NY 10036. The listed phone number is (516) 509-8680.
What is Leah Ellenberg's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Leah Ellenberg enrolled in Medicare?
Yes. Leah Ellenberg 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 Leah Ellenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah Ellenberg reassigns Medicare benefits to 4 organizations: State Of New York Comptrollers Office (New York, NY), Omni Eye Surgery Of New York PC (New York, NY), Karen Allison, M.D., P.C. (New York, NY) and New York Eye Surgery Associates PLLC (Bronx, 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 Leah Ellenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Leah Ellenberg was last updated on June 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Leah Rachel Ellenberg, O.D. · NPI 1891146239
Optometrist provider in New York, New York. Individual provider, active in the CMS NPPES registry since June 27, 2016.
## Identity
- **NPI:** 1891146239 (Entity type: Individual)
- **Enumerated:** June 27, 2016
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 008461 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 33 W 42ND ST, New York, NY 10036-8005
- **Phone:** (516) 509-8680
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): State Of New York Comptrollers Office (NPI 1407829856, New York, NY); Omni Eye Surgery Of New York PC (NPI 1598748659, New York, NY); Karen Allison, M.D., P.C. (NPI 1184810889, New York, NY); New York Eye Surgery Associates PLLC (NPI 1699873067, Bronx, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** June 27, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1891146239) · Data from the CMS NPPES public registry.