Individual provider Active NPI

John Hyoungsub Shin, M.D.

  • Clinical Cardiac Electrophysiology Physician
  • Upper Marlboro, MD
National Provider Identifier
1295911493
Registry record updated Oct 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X
License
D0076066 Issued in MD
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

Updated by the provider on Oct 28, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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

TypeEndpointUseAffiliation
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, MD2 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
I20130918000815 DC Practitioner - Cardiac ElectrophysiologyPractitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 1052555711 Reassigns benefits to 8 organizations
I20140602000704 MD Practitioner - Cardiac ElectrophysiologyPractitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 1052555711 Reassigns benefits to 5 organizations

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
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians
Medstar Heart Institute LLCGroup PAC ID 5698932960, 308 clinicians

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

Merit-based Incentive Payment System (MIPS)

Final score
79.87 of 100Reported as group
Quality
58.83
Promoting interoperability
100
Improvement activities
40
Cost
74.06

Merit-based Incentive Payment System (MIPS)

Final score
85.94 of 100Reported as group
Quality
66.29
Promoting interoperability
100
Improvement activities
40
Cost
74.65

Procedures performed for Medicare patients

ProcedureNumber of procedures
Pacemaker insertion or repair42

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD041588DCMDCardiovascular Disease Physician
D0076066MDMDClinical Cardiac Electrophysiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince Jul 1, 2013 Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince Jul 1, 2014 Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince Feb 1, 2022 Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince Feb 1, 2022 Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc Current Accepting new patients
Medstar Heart Institute LLC Cardiovascular Disease CurrentSince Mar 1, 2024 Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince Apr 28, 2014 Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince Feb 1, 2022 Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince Jul 1, 2013 Accepting new patients
Cardiology Associates, LLC CurrentSince Sep 1, 2022 Accepting new patients
Medstar Medical Group II LLC CurrentSince Sep 1, 2025 Accepting new patients
Cardiology Associates, LLC CurrentSince Sep 1, 2002 Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince Jan 1, 2015 Accepting new patients
Medstar Medical Group II LLC CurrentSince Sep 1, 2025 Accepting new patients
Medstar Medical Group II LLC Past Accepting new patients

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.

View all 15

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.