Zachary M. Eller, M.D., M.S.
Ophthalmology Physician · Greenbelt, MD
Zachary M. Eller, M.D., M.S. is an ophthalmology physician with a practice address in Greenbelt, Maryland, and NPI 1841935582, issued on Apr 27, 2022. Check the license (Maryland D0107588, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Zachary M. Eller
- Credential
- M.D., M.S.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- D0107588 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7500 Greenway Center Dr Ste 300, Greenbelt, MD 20770
- Phone
- (301) 277-4844
- Enumerated
- Apr 27, 2022
- Record last updated
- Jul 16, 2026
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 588 in Maryland → Look up another NPI →
Also registered at 7500 Greenway Center Dr Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Chang, MDOphthalmology Physician1790280402
- Diana Chu, ODOptometrist1174149207
- Joseph Mekhail, M.D.Cornea and External Diseases Specialist Physician1023540846
Verify Zachary M. Eller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0107588Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average ophthalmology physician in 2024
342 Medicare Part D claims for 77 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Latanoprost115 claims
- Dorzolamide-Timolol58 claims
- Brimonidine Tartrate28 claims
- Timolol Maleate17 claims
- Neomycin-Polymyxin-Dexameth15 claims
- Restasis Multidose13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Zachary M. Eller among 588 ophthalmology physician records in Maryland
Zachary M. Eller, M.D., M.S. is one of 588 ophthalmology physician records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 97% of them.
- NPI issued2022 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Maryland
There are 588 ophthalmology physician records in Maryland.
All 588 in Maryland → Every provider in Greenbelt → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Sarah Chang, MDGreenbelt, MD 207701790280402
- Mary Scott, MDGreenbelt, MD 207701861585440
- Jonathan Solomon, MDGreenbelt, MD 207701497744205
- Stephen Solomon, MDGreenbelt, MD 207701487643144
- Renee Bovelle, M.D.Glenn Dale, MD 207691588732424
- Alisa ThavikulwatGlenn Dale, MD 207691265827745
- Brian Armstrong, MDLargo, MD 207741285781179
- Erica Bernfeld, M.D.Upper Marlboro, MD 207741386816601
Common questions
What is Zachary M. Eller, M.D., M.S.'s NPI number?
Zachary M. Eller, M.D., M.S.'s National Provider Identifier (NPI) is 1841935582, issued on Apr 27, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Zachary M. Eller, M.D., M.S. located?
The NPPES record lists a practice address at 7500 Greenway Center Dr Ste 300, Greenbelt, MD, 20770. Phone: (301) 277-4844. Providers update this record themselves, so call before visiting.
How can I verify Zachary M. Eller, M.D., M.S.'s license?
NPPES lists Maryland license number D0107588, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zachary M. Eller, M.D., M.S. prescribe under Medicare Part D?
In 2024, Zachary M. Eller, M.D., M.S. had 342 Medicare Part D claims for 77 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.