NPIMap

Individual provider Active NPI

Jason Ryan Parks, M.D.

  • Radiation Oncology Physician
  • St Johnsbury, VT
National Provider Identifier
1235558677
Registry record updated Sep 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
38508 Issued in NH
Practice address
1080 Hospital Dr
St Johnsbury, VT 05819-6001
Phone
(802) 473-4100
NPI assigned
Apr 14, 2014
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 15, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X 38508 NH Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

1080 Hospital Dr
St Johnsbury, VT 05819-6001

Mailing address

323 E Chestnut St
Louisville, KY 40202-1823

Other practice location 1

1 Medical Center Dr
Lebanon, NH 03756-0001
Phone (603) 650-5000

Other practice location 2

323 E Chestnut St
Louisville, KY 40202-1823
Phone (502) 852-1499

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AK, NH, VT3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20190911002549 AK Practitioner - Radiation Oncology 4486956190
I20250918003441 NH Practitioner - Radiation Oncology 4486956190 Reassigns benefits to 2 organizations
I20250919000216 VT Practitioner - Radiation Oncology 4486956190 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Dartmouth-Hitchcock ClinicGroup PAC ID 4183537509, 1,445 clinicians
Mary Hitchcock Memorial HospitalGroup PAC ID 4486561164, 1,269 clinicians

Practice addresses (Care Compare)

1 Medical Ctr Dr
Lebanon, NH 03756-1000
Phone (603) 650-5000

1080 Hospital Dr
Saint Johnsbury, VT 05819-6001
Phone (802) 257-5000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
0 of 100Reported as individual
Quality
0
Improvement activities
0
Cost
0

Merit-based Incentive Payment System (MIPS)

Final score
70.59 of 100Reported as group
Quality
83.37
Promoting interoperability
100
Improvement activities
40
Cost
16.65

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
38508NHMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dartmouth-Hitchcock Clinic CurrentSince Sep 11, 2025 Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Sep 11, 2025 Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Sep 11, 2025 Accepting new patients
Brattleboro Memorial Hospital PastSince Aug 1, 2016 Accepting new patients
RBS Evolution of Alaska LLC Radiation Oncology PastSince Dec 7, 2025 Accepting new patients

Locations

1 Medical Dr
Lebanon, NH 03756
Phone (603) 650-5922

100 Hitchcock Way
Manchester, NH 03104
Phone (603) 629-1870

53 Fairview St
Brattleboro, VT 05301
Phone (802) 251-8455

1080 Hospital Dr
St Johnsbury, VT 05819
Phone (802) 473-4100

Interoperability endpoints

  • FHIR API: https://fhir-myrecord.cerner.com/r4/d9dc001d-1bc5-42f9-bd4d-eb79208fd32a/

Organizations & group practices 5

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 26

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

View all 26

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1397433600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1235558677",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "323 E CHESTNUT ST",
            "city": "LOUISVILLE",
            "state": "KY",
            "postal_code": "402021823"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1080 HOSPITAL DR",
            "city": "ST JOHNSBURY",
            "state": "VT",
            "postal_code": "058196001",
            "telephone_number": "802-473-4100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Lebanon",
            "state": "NH",
            "postal_code": "037560001",
            "country_code": "US",
            "telephone_number": "603-650-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "323 E Chestnut St",
            "address_purpose": "LOCATION",
            "city": "Louisville",
            "state": "KY",
            "postal_code": "402021823",
            "country_code": "US",
            "telephone_number": "502-852-1499",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PARKS",
        "first_name": "JASON",
        "middle_name": "RYAN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-04-14",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "NH",
            "license": "38508",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in St Johnsbury, VT

Sources for this page

Verify at the official NPI Registry.