Individual provider Active NPI

Jonathan Demchak, PA-C

  • Physician Assistant
  • Sayre, PA
National Provider Identifier
1285015610
Registry record updated Dec 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
MA057594 Issued in PA
Practice address
1 Guthrie SQ
Sayre, PA 18840-1625
Phone
(570) 888-5858
NPI assigned
Jun 11, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 5, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X
Physician Assistant 363A00000X MA057594 PA Primary

Addresses

Primary practice location

1 Guthrie SQ
Sayre, PA 18840-1625

Mailing address

1201 Grampian Blvd
Suite 1K
Williamsport, PA 17701-1900

Other practice location 1

1 Guthrie Dr
Corning, NY 14830-3696
Phone (607) 937-7200

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address jdemchak157428@direct-guthrie.org Direct
Direct Messaging Address jdemchak513543@upmc.direct-ci.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, NY2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20150723006747 PA Practitioner - Physician Assistant 3173836970 Reassigns benefits to 5 organizations
I20180529002521 NY Practitioner - Physician Assistant 3173836970 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Delaware Valley Hospital Inc.Group PAC ID 2860388337, shared by 3 NPIs, 46 clinicians
Sullivan Emergency Services PCGroup PAC ID 7719146927, 10 clinicians

Practice addresses (Care Compare)

2 Titus PL
Walton, NY 13856-1455
Phone (607) 865-2400

8881 State Route 97
Callicoon, NY 12723-5052
Phone (845) 887-5530

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
MA057594PAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Evangelical Medical Services Organization CurrentSince Jan 15, 2018 Accepting new patients
Mary Imogene Bassett Hospital CurrentSince Jun 2, 2025 Accepting new patients
Robert Packer Hospital CurrentSince Aug 19, 2022 Accepting new patients
Corning Hospital CurrentSince Dec 21, 2019 Accepting new patients
Delaware Valley Hospital, Inc CurrentSince Jul 31, 2024 Accepting new patients
Emergency Care Services of Pennsylvania, P.C. Physician Assistant CurrentSince Jan 1, 2020 Accepting new patients
Robert Packer Hospital CurrentSince Aug 19, 2022 Accepting new patients
Evangelical Medical Services Organization CurrentSince Jan 15, 2018 Accepting new patients
Delaware Valley Hospital, Inc CurrentSince Jul 17, 2025 Accepting new patients
Mary Imogene Bassett Hospital CurrentSince Jun 2, 2025 Accepting new patients
Troy Community Hospital Incorporated CurrentSince Oct 1, 2022 Accepting new patients

Locations

178 Grandview Dr
Cobleskill, NY 12043
Phone (518) 254-3456

1 Atwell Rd
Cooperstown, NY 13326
Phone (607) 547-3480

1 Guthrie Dr
Corning, NY 14830
Phone (607) 937-7130

460 Andes Rd
Delhi, NY 13753
Phone (607) 746-0300

1 Titus Pl
Walton, NY 13856
Phone (607) 337-4700

2 Titus Pl
#13202
Walton, NY 13856
Phone (607) 865-2197

2 Titus Pl
Walton, NY 13856
Phone (607) 865-2197

130 North St
Walton, NY 13856
Phone (607) 865-6541

25 Lystra Rogers Dr
Lewisburg, PA 17837
Phone (570) 523-3290

3 Hospital Dr
Ste 206
Lewisburg, PA 17837
Phone (570) 522-9771

1 Hospital Dr
Lewisburg, PA 17837
Phone (570) 522-2000

1 Guthrie Sq
Ste B
Sayre, PA 18840
Phone (570) 888-6666

1 Guthrie Sq
Sayre, PA 18840
Phone (570) 887-3106

91 Hospital Dr
Towanda, PA 18848
Phone (570) 268-2240

275 Guthrie Dr
Troy, PA 16947
Phone (570) 297-2121

700 High St
Williamsport, PA 17701
Phone (570) 321-1000

700 High St
#D
Williamsport, PA 17701
Phone (570) 321-3454

Interoperability endpoints

  • Direct secure messaging: jdemchak157428@direct-guthrie.org

Organizations & group practices 14

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 14

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": "1433980800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764892800000",
    "number": "1285015610",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1201 GRAMPIAN BLVD",
            "address_2": "SUITE 1K",
            "city": "WILLIAMSPORT",
            "state": "PA",
            "postal_code": "177011900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 GUTHRIE SQ",
            "city": "SAYRE",
            "state": "PA",
            "postal_code": "188401625",
            "telephone_number": "570-888-5858"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Guthrie Dr",
            "address_purpose": "LOCATION",
            "city": "Corning",
            "state": "NY",
            "postal_code": "148303696",
            "country_code": "US",
            "telephone_number": "607-937-7200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEMCHAK",
        "first_name": "JONATHAN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-06-11",
        "last_updated": "2025-12-05",
        "certification_date": "2021-03-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "PA",
            "license": "MA057594",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jdemchak157428@direct-guthrie.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1 Guthrie Sq",
            "city": "Sayre",
            "state": "PA",
            "country_code": "US",
            "postal_code": "188401625",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jdemchak513543@upmc.direct-ci.com",
            "affiliation": "N",
            "address_1": "600 Grant St",
            "address_2": "Floor 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Sayre, PA

Sources for this page

Verify at the official NPI Registry.