Active NPI
John Hyoungsub Shin, M.D.
- Clinical Cardiac Electrophysiology Physician
- Upper Marlboro, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Cardiac Electrophysiology Physician
- License
- D0076066
- Practice address
- 1221 Mercantile LN
Upper Marlboro, MD 20774-5374 - Phone
- (301) 618-5620
- NPI assigned
- Jan 17, 2008
- 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 |
|---|---|---|---|---|
| Clinical Cardiac Electrophysiology Physician | 207RC0001X | D0076066 | MD | Primary |
| Cardiovascular Disease Physician | 207RC0000X | MD041588 | DC |
Addresses
Primary practice location
1221 Mercantile LN
Upper Marlboro, MD 20774-5374
Mailing address
2101 E Jefferson St
Ste 6W Ppqa
Rockville, MD 20852-4908
Phone (301) 816-5853
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| SOAP URL | https://careepiceast.kp.org:14430/Interconnect-prodmam/wcf/epic.community.hie/xcpdrespondinggateways | Health Information Exchange (HIE) |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC, MD
- 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
- Cardiac Electrophysiology
- Education
- Vanderbilt University School of Medicine, 2006
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
106 Irving St NW 4200
MMG at WHC
Washington, DC 20010-2979
Phone (202) 877-2200
110 Irving St NW
Washington, DC 20010-3017
Phone (202) 877-2851
1406 Crain S Hwy 106
Glen Burnie, MD 21061-4086
Phone (410) 768-6440
2002 Medical Pkwy
Suite 500
Annapolis, MD 21401-3268
Phone (410) 573-6480
29955 Three Notch Rd
100 MMG at Charlotte Hall
Charlotte Hall, MD 20622-3159
Phone (301) 290-5300
3007 Tilden St NE
Suite 5N
Washington, DC 20008-3030
3007 Tilden St NW
Washington, DC 20008-3030
3333 N Calvert St
Baltimore, MD 21218-2867
Phone (410) 261-8500
Hospital & facility affiliations
- Medstar Washington Hospital Center
- Luminis Health Anne Arundel Medical Center, Inc
- Medstar Georgetown University Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 79.87 of 100
- Quality
- 58.83
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 74.06
Merit-based Incentive Payment System (MIPS)
- Final score
- 85.94 of 100
- Quality
- 66.29
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 74.65
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Pacemaker insertion or repair | 42 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD041588 | DC | MD | Cardiovascular Disease Physician |
| D0076066 | MD | MD | Clinical Cardiac Electrophysiology Physician |
Practice roles
Locations
1145 19th St NW
Ste 311
Washington, DC 20036
Phone (202) 429-2401
106 Irving St NW
Ste 2700N
Washington, DC 20010
Phone (202) 723-5524
1133 21st St NW
Washington, DC 20036
Phone (202) 223-9040
106 Irving St NW
Ste 4800
Washington, DC 20010
Phone (202) 725-5484
1133 21st St NW
Ste 700
Washington, DC 20036
Phone (202) 416-2000
106 Irving St NW
Ste 4200
Washington, DC 20010
Phone (202) 877-2200
110 Irving St NW
Washington, DC 20010
Phone (202) 877-2000
2002 Medical Pkwy
Ste 520
Annapolis, MD 21401
Phone (410) 266-1188
2002 Medical Pkwy
Ste 500
Annapolis, MD 21401
Phone (410) 573-6480
3333 N Calvert St
Baltimore, MD 21218
Phone (410) 235-5405
29955 Three Notch Rd
Ste 100
Charlotte Hall, MD 20622
Phone (301) 290-5300
1630 Main St
Ste 208
Chester, MD 21619
Phone (410) 643-3186
7070 Samuel Morse Dr
Columbia, MD 21046
Phone (410) 309-4600
110 Thomas Johnson Dr
Frederick, MD 21702
Phone (202) 877-7685
7190 Crestwood Blvd
Frederick, MD 21703
Phone (240) 529-1700
1701 Twin Springs Rd
Halethorpe, MD 21227
Phone (410) 737-5000
10810 Connecticut Ave
Kensington, MD 20895
Phone (301) 929-7100
1221 Mercantile Ln
Fl 3
Largo, MD 20774
Phone (301) 618-5500
655 Watkins Mill Rd
Montgomery Village, MD 20879
Phone (301) 929-7100
2101 E Jefferson St
#4E
Rockville, MD 20852
2101 E Jefferson St
Ste 6
Rockville, MD 20852
2101 E Jefferson St
Ste 6W
Rockville, MD 20852
Phone (301) 816-5853
6701 N Charles St
Towson, MD 21204
Phone (443) 849-2000
1221 Mercantile Ln
Upper Marlboro, MD 20774
Phone (301) 618-5500
8008 Westpark Dr
Tysons Corner, VA 22102
Phone (703) 287-6400
Organizations & group practices 15
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.
-
- Surgery Physician
- Washington, DC
- NPI 1528345378
Cardiovascular Disease, MD
-
- Specialist
- Annapolis, MD
- NPI 1396042719
-
- Health Maintenance Organization
- Halethorpe, MD
- NPI 1043378656
-
- Ambulatory Surgical Clinic/Center
- Largo, MD
- NPI 1366781700
DC
-
- Ambulatory Surgical Clinic/Center
- Gaithersburg, MD
- NPI 1497023188
DC
-
- Ambulatory Surgical Clinic/Center
- Kensington, MD
- NPI 1578638425
DC
-
- Ambulatory Surgical Clinic/Center
- Halethorpe, MD
- NPI 1942546486
-
- Health Maintenance Organization
- Annapolis, MD
- NPI 1952461816
DC
-
- Specialist
- Washington, DC
- NPI 1972800399
-
- Ambulatory Surgical Clinic/Center
- MC Lean, VA
- NPI 1073678637
DC
-
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- Rockville, MD
- NPI 1962108753
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Clinical Medical Laboratory
- Annapolis, MD
- NPI 1356885032
Hospital
-
- General Acute Care Hospital
- Annapolis, MD
- NPI 1477517225
-
- General Acute Care Hospital
- Washington, DC
- NPI 1427145176
-
- General Acute Care Hospital
- Washington, DC
- NPI 1548378235
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1200528000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761609600000",
"number": "1295911493",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2101 E JEFFERSON ST",
"address_2": "STE 6W PPQA",
"city": "ROCKVILLE",
"state": "MD",
"postal_code": "208524908",
"telephone_number": "301-816-5853"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1221 MERCANTILE LN",
"city": "UPPER MARLBORO",
"state": "MD",
"postal_code": "207745374",
"telephone_number": "301-618-5620"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SHIN",
"first_name": "JOHN",
"middle_name": "HYOUNGSUB",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2008-01-17",
"last_updated": "2025-10-28",
"certification_date": "2025-10-28",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0001X",
"taxonomy_group": "",
"desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
"state": "MD",
"license": "D0076066",
"primary": true
},
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "DC",
"license": "MD041588",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "SOAP",
"endpointTypeDescription": "SOAP URL",
"endpoint": "https://careepiceast.kp.org:14430/Interconnect-prodmam/wcf/epic.community.hie/xcpdrespondinggateways",
"affiliation": "N",
"endpointDescription": "Carequality",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "C-CDA",
"address_1": "1221 Mercantile Ln",
"city": "Upper Marlboro",
"state": "MD",
"country_code": "US",
"postal_code": "207745374",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Upper Marlboro, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 28, 2025; 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.