Individual provider Active NPI

Johnathan Hao Sun, D.O.

  • Internal Medicine Physician
  • Slingerlands, NY
National Provider Identifier
1932342771
Registry record updated Dec 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
265555 Issued in NY
Practice address
6114 Johnston Rd
Slingerlands, NY 12159
Phone
(201) 310-7568
NPI assigned
Apr 9, 2009
Last updated
Dec 9, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 9, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 265555 NY Primary
Hospitalist Physician 208M00000X 265555 NY

Addresses

Primary practice location

6114 Johnston Rd
Slingerlands, NY 12159

Mailing address

6114 Johnston Rd
Slingerlands, NY 12159
Phone (201) 310-7568

Other names 1

  • Dr. John Sun Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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 1

Enrollment IDStateProvider typePAC IDDetails
I20121017000411 NY Practitioner - Internal Medicine 9739339375 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
New York College of Osteo Medicine of New York Institute of Technology, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ellis HospitalGroup PAC ID 5890607410, shared by 2 NPIs, 250 clinicians

Practice addresses (Care Compare)

1101 Nott St
Schenecctady, NY 12308-2425
Phone (518) 243-4000

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Schenectady Pulmonary & Critical Care Associates PC CurrentSince Apr 14, 2014 Accepting new patients
Ellis Hospital CurrentSince Sep 1, 2024 Accepting new patients
Ellis Hospital CurrentSince Jul 21, 2025 Accepting new patients

Locations

427 Guy Park Ave
Amsterdam, NY 12010
Phone (518) 442-1404

427 Guy Park Ave
#13282
Amsterdam, NY 12010
Phone (518) 842-1900

1101 Nott St
Schenectady, NY 12308
Phone (518) 243-1916

1101 Nott St
#3754
Schenectady, NY 12308

124 Rosa Rd
Ste 382
Schenectady, NY 12308
Phone (518) 386-3691

Interoperability endpoints

  • Direct secure messaging: jsun@spcca.medentdirect.com
  • Direct secure messaging: jsun834398@direct.trinity-health.org

Organizations & group practices 3

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.

Hospital & facility affiliations 2

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": "1239235200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765238400000",
    "number": "1932342771",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6114 JOHNSTON RD",
            "city": "SLINGERLANDS",
            "state": "NY",
            "postal_code": "12159",
            "telephone_number": "201-310-7568"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6114 JOHNSTON RD",
            "city": "SLINGERLANDS",
            "state": "NY",
            "postal_code": "12159",
            "telephone_number": "201-310-7568"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SUN",
        "first_name": "JOHNATHAN",
        "middle_name": "HAO",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-04-09",
        "last_updated": "2025-12-09",
        "certification_date": "2025-12-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "265555",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "265555",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JOHN",
            "last_name": "SUN",
            "prefix": "DR.",
            "credential": "D.O.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Slingerlands, NY

Sources for this page

Verify at the official NPI Registry.