Active NPI
John Y Choi, M.D.
- Ophthalmology Physician
- Waldorf, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- D66433
- Practice address
- 3460 Old Washington Rd Ste 101
Waldorf, MD 20602-3241 - Phone
- (301) 893-3484
- Fax
- (301) 893-3481
- NPI assigned
- Apr 14, 2006
- Last updated
- May 6, 2026
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | D66433 | MD | Primary |
| Ophthalmology Physician | 207W00000X | MD00046238 | WA |
Addresses
Primary practice location
3460 Old Washington Rd Ste 101
Waldorf, MD 20602-3241
Mailing address
3460 Old Washington Rd Ste 101
Waldorf, MD 20602-3241
Phone (301) 893-3484
Other practice location 1
2001 Medical Pkwy
Annapolis, MD 21401-3773
Phone (443) 481-1000
Other practice location 2
110 Hospital Rd Ste 211
Prince Frederick, MD 20678-4040
Phone (410) 535-6179
Other practice location 3
2614 Chapel Lake Dr
Gambrills, MD 21054-1637
Phone (410) 535-6189
Other practice location 4
6357 Oxon Hill Rd
Oxon Hill, MD 20745-2214
Phone (301) 893-3484
Other practice location 5
17001 Science Dr Ste 114
Bowie, MD 20715-4330
Phone (301) 985-2830
Other practice location 6
125 Stoakley Rd Ste 301
Prince Frederick, MD 20678-3962
Phone (410) 535-6179
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD, DC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Ophthalmology
- Education
- Yale University School of Medicine, 1996
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3300 Gallows Rd
Inova Fairfax Hospital
Falls Church, VA 22042-3307
Phone (301) 893-3484
3460 Old Washington Rd
101 Chesapeake Retina Centers
Waldorf, MD 20602-3241
Phone (301) 893-3484
3800 Reservoir Rd NW
Room 144 Bles Building
Washington, DC 20814-1422
Phone (301) 893-3483
6357 Oxon Hill Rd
Oxon Hill, MD 20745-2214
Phone (301) 893-3484
Merit-based Incentive Payment System (MIPS)
- Final score
- 96.47 of 100
- Quality
- 97.95
- Promoting interoperability
- 92
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- HHS exclusion list flag
- CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found.
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D66433 | MD | MD | Ophthalmology Physician |
| MD00046238 | WA | MD | Ophthalmology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Omar F. Ahmad, M.D., P.C. | Ophthalmology | Current | Accepting new patients |
| Healtopia Primary Care and Medical Weight Loss, LLC | Past | Accepting new patients | |
| Retina & Macula Specialists PS | Ophthalmology | Past | Accepting new patients |
| Retina and Macula Specialists PS | Ophthalmology | Past | Accepting new patients |
| Retina Specialists of Boston, Inc. | Ophthalmology | Past | Accepting new patients |
| Bert M. Glaser National Retina Institute, LLC | Ophthalmology | Past | Accepting new patients |
Locations
8600 Old Georgetown Rd
Bethesda, MD 20814
Phone (301) 896-2578
8600 Old Georgetown Rd
#12202
Bethesda, MD 20814
2614 Chapel Lake Dr
Gambrills, MD 21054
Phone (301) 893-3484
6357 Oxon Hill Rd
Oxon Hill, MD 20745
Phone (301) 220-0435
501 Main St
Ste 203
Prince Frederick, MD 20678
Phone (301) 373-3065
110 Hospital Rd
Ste 211
Prnc Frederck, MD 20678
Phone (410) 535-3642
3460 Old Washington Rd
Ste 101
Waldorf, MD 20602
Phone (301) 705-6500
3300 Gallows Rd
Falls Church, VA 22042
Phone (703) 352-9395
Interoperability endpoints
- jchoi@crc.emadirect.md
Organizations & group practices 6
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
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NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1144972800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778025600000",
"number": "1114981149",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3460 OLD WASHINGTON RD STE 101",
"city": "WALDORF",
"state": "MD",
"postal_code": "206023241",
"telephone_number": "301-893-3484",
"fax_number": "301-893-3481"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3460 OLD WASHINGTON RD STE 101",
"city": "WALDORF",
"state": "MD",
"postal_code": "206023241",
"telephone_number": "301-893-3484",
"fax_number": "301-893-3481"
}
],
"practiceLocations": [
{
"address_1": "2001 Medical Pkwy",
"address_purpose": "LOCATION",
"city": "Annapolis",
"state": "MD",
"postal_code": "214013773",
"country_code": "US",
"telephone_number": "443-481-1000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "110 Hospital Rd Ste 211",
"address_purpose": "LOCATION",
"city": "Prince Frederick",
"state": "MD",
"postal_code": "206784040",
"country_code": "US",
"telephone_number": "410-535-6179",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2614 Chapel Lake Dr",
"address_purpose": "LOCATION",
"city": "Gambrills",
"state": "MD",
"postal_code": "210541637",
"country_code": "US",
"telephone_number": "410-535-6189",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6357 Oxon Hill Rd",
"address_purpose": "LOCATION",
"city": "Oxon Hill",
"state": "MD",
"postal_code": "207452214",
"country_code": "US",
"telephone_number": "301-893-3484",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "17001 Science Dr Ste 114",
"address_purpose": "LOCATION",
"city": "Bowie",
"state": "MD",
"postal_code": "207154330",
"country_code": "US",
"telephone_number": "301-985-2830",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "125 Stoakley Rd Ste 301",
"address_purpose": "LOCATION",
"city": "Prince Frederick",
"state": "MD",
"postal_code": "206783962",
"country_code": "US",
"telephone_number": "410-535-6179",
"fax_number": "301-893-3481",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHOI",
"first_name": "JOHN",
"middle_name": "Y",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-04-14",
"last_updated": "2026-05-06",
"certification_date": "2026-05-06",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "MD",
"license": "D66433",
"primary": true
},
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "WA",
"license": "MD00046238",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Waldorf, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 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.