Individual provider Active NPI

Richard Juneyoung Ko, M.D.

  • Anesthesiology Physician
  • Rockville, MD
National Provider Identifier
1649219650
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
D44813 Issued in MD
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.

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 339 clinicians

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 Hospital, Rockville, MD, CCN 210057

Merit-based Incentive Payment System (MIPS)

Final score
63.85 of 100Reported as group
Quality
57.47
Improvement activities
40

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
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

OrganizationSpecialtyStatusNew patients
First Colonies Anesthesia Associates, LLC Anesthesiology CurrentSince Apr 1, 2004 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)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X D44813 MD Primary

Addresses

NPPES NPI Registry

Primary 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
IdentifierTypeStateIssuer
80625675OtherTRICARE

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

Verify at the official NPI Registry.