Active NPI
Zachary M Eller, M.D., M.S.
- Ophthalmology Physician
- Greenbelt, MD
National Provider Identifier
1841935582
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- D0107588
- Practice address
- 7500 Greenway Center Dr Ste 300
Greenbelt, MD 20770-3551 - Phone
- (301) 277-4844
- NPI assigned
- Apr 27, 2022
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Glaucoma Specialist (Ophthalmology) Physician | 207WX0009X | D0107588 | MD | |
| Ophthalmology Physician | 207W00000X | D0107588 | MD | Primary |
| Cornea and External Diseases Specialist Physician | 207WX0120X | D0107588 | MD |
Addresses
Primary practice location
7500 Greenway Center Dr Ste 300
Greenbelt, MD 20770-3551
Mailing address
7500 Greenway Center Dr Ste 300
Greenbelt, MD 20770-3551
Other practice location 1
14995 Shady Grove Rd Ste 110
Rockville, MD 20850-8735
Phone (301) 277-4844
Other practice location 2
2041 Georgia Ave NW
Washington, DC 20060-0002
Phone (202) 865-6100
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Care Compare profile
Medicare Care Compare- Specialty
- Ophthalmology
- Education
- Howard University College of Medicine, 2022
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
7500 Greenway Ctr Dr
Suite 300
Greenbelt, MD 20770
87 Grandview Ave
Suite B
Waterbury, CT 06708-2523
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine, Master of Science
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1651017600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784160000000",
"number": "1841935582",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7500 GREENWAY CENTER DR STE 300",
"city": "GREENBELT",
"state": "MD",
"postal_code": "207703551"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7500 GREENWAY CENTER DR STE 300",
"city": "GREENBELT",
"state": "MD",
"postal_code": "207703551",
"telephone_number": "301-277-4844"
}
],
"practiceLocations": [
{
"address_1": "14995 Shady Grove Rd Ste 110",
"address_purpose": "LOCATION",
"city": "Rockville",
"state": "MD",
"postal_code": "208508735",
"country_code": "US",
"telephone_number": "301-277-4844",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2041 Georgia Ave NW",
"address_purpose": "LOCATION",
"city": "Washington",
"state": "DC",
"postal_code": "200600002",
"country_code": "US",
"telephone_number": "202-865-6100",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ELLER",
"first_name": "ZACHARY",
"middle_name": "M",
"name_prefix": "Dr.",
"credential": "M.D., M.S.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-04-27",
"last_updated": "2026-07-16",
"certification_date": "2026-07-16",
"status": "A"
},
"taxonomies": [
{
"code": "207WX0009X",
"taxonomy_group": "",
"desc": "Ophthalmology, Glaucoma Specialist",
"state": "MD",
"license": "D0107588",
"primary": false
},
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "MD",
"license": "D0107588",
"primary": true
},
{
"code": "207WX0120X",
"taxonomy_group": "",
"desc": "Ophthalmology, Cornea and External Diseases Specialist",
"state": "MD",
"license": "D0107588",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Greenbelt, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.