Active NPI
Richard Juneyoung Ko, M.D.
- Anesthesiology Physician
- Rockville, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- D44813
- Practice address
- 14820 Physicians LN
242
Rockville, MD 20850-3945 - Phone
- (301) 838-9606
- NPI assigned
- Jun 5, 2006
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Anesthesiology Physician
- Columbia, MD
- NPI 1740218767
Anesthesiology, DC, MD
-
- Anesthesiology Physician
- Salisbury, MD
- NPI 1902887425
Anesthesiology
-
- Anesthesiology Physician
- Westminster, MD
- NPI 1174564884
Anesthesiology
-
- Anesthesiology Physician
- Baltimore, MD
- NPI 1679526271
Anesthesiology
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Other, 1989
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- First Colonies Anesthesia Associates, LLC
Practice addresses (Care Compare)
11210 Old Georgetown Rd
Rockville, MD 20852-3202
Phone (301) 881-7770
1838 Greene Tree Rd
Suite 370
Pikesville, MD 21208-7102
Phone (443) 379-4684
9901 Medical Ctr Dr
Rockville, MD 20850-3357
Phone (240) 826-7324
Hospital & facility affiliations
- Adventist Healthcare Shady Grove Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 63.85 of 100
- Quality
- 57.47
- Improvement activities
- 40
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20040416001036 | MD | Practitioner - Anesthesiology | 4082609326 | Reassigns benefits to 1 organization |
| I20040610000640 | DC | Practitioner - Anesthesiology | 4082609326 | Reassigns benefits to 1 organization |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| First Colonies Anesthesia Associates, LLC | Anesthesiology | Current | Accepting new patients |
| Carroll County Anesthesia Associates, PA | Anesthesiology | Past | Accepting new patients |
| Harborview Anesthesia Associates-Allan M Birenberg M.D. P.a. | Anesthesiology | Past | Accepting new patients |
| Associated Anesthesiology Practice P.a. | Anesthesiology | Past | Accepting new patients |
Locations
8118 Good Luck Rd
Lanham Seabrook, MD 20706
Phone (301) 552-8608
1838 Greene Tree Rd
Ste 370
Pikesville, MD 21208
Phone (202) 221-8442
11210 Old Georgetown Rd
Rockville, MD 20852
Phone (301) 881-7770
11210 Old Georgetown Rd
#12202
Rockville, MD 20852
Phone (301) 881-7770
9901 Medical Center Dr
Rockville, MD 20850
Phone (301) 279-6000
8322 Bellona Ave
Ste 201
Towson, MD 21204
Phone (410) 337-2688
Specialties & licenses 1
NPPES NPI Registry| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | D44813 | MD | Primary |
Addresses
NPPES NPI RegistryPrimary practice location
14820 Physicians LN
242
Rockville, MD 20850-3945
Mailing address
4101 Hunt Rd
Fairfax, VA 22032-1461
Other identifiers 1
NPPES NPI Registry| Identifier | Type | State | Issuer |
|---|---|---|---|
| 80625675 | Other | TRICARE |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Jul 13, 2026.
{
"created_epoch": "1149465600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1649219650",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4101 HUNT RD",
"city": "FAIRFAX",
"state": "VA",
"postal_code": "220321461"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "14820 PHYSICIANS LN",
"address_2": "242",
"city": "ROCKVILLE",
"state": "MD",
"postal_code": "208503945",
"telephone_number": "301-838-9606"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KO",
"first_name": "RICHARD",
"middle_name": "JUNEYOUNG",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-05",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "MD",
"license": "D44813",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "TRICARE",
"identifier": "80625675",
"state": null
}
],
"endpoints": [],
"other_names": []
}
Other providers in Rockville, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.