DR. ZACHARY M ELLER M.D., M.S.
NPI 1841935582
Ophthalmology in Greenbelt, MD
About Dr. Zachary M Eller M.d., M.s. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZACHARY M ELLER M.D., M.S. (NPI 1841935582) is an individual ophthalmology provider in Greenbelt, Maryland, licensed in Maryland (D0107588) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Howard University College Of Medicine (2022).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Zachary M Eller M.d., M.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Zachary Eller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Greenbelt, MD 20770
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Washington Eye Institute, LLC
- 9 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 20770 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENBELT, MD 20770
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 Zachary Eller's NPI number?
The NPI number for Zachary Eller is 1841935582. It was assigned to this individual provider in the NPPES registry on April 27, 2022.
Where is Zachary Eller located?
Zachary Eller practices at 7500 Greenway Center Dr Ste 300, Greenbelt, MD 20770. The listed phone number is (301) 277-4844.
What is Zachary Eller's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Zachary Eller enrolled in Medicare?
Yes. Zachary Eller is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Zachary Eller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Eller reassigns Medicare benefits to Refocus Eye Health Of MD LLC (Greenbelt, MD). 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 Zachary Eller'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 Zachary Eller was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Zachary M Eller, M.D., M.S. · NPI 1841935582
Ophthalmology physician in Greenbelt, Maryland. Individual provider, active in the CMS NPPES registry since April 27, 2022.
## Identity
- **NPI:** 1841935582 (Entity type: Individual)
- **Enumerated:** April 27, 2022
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** D0107588 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 7500 GREENWAY CENTER DR STE 300, Greenbelt, MD 20770-3551
- **Phone:** (301) 277-4844
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Refocus Eye Health Of MD LLC (NPI 1740450816, Greenbelt, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Howard University College Of Medicine, class of 2022
## Record status
- **NPPES last updated:** July 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1841935582) · Data from the CMS NPPES public registry.