NPIMap

Individual provider Active NPI

Sydney Welt, MD

  • Medical Oncology Physician
  • Fayetteville, NC
National Provider Identifier
1740256809
Registry record updated May 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
2025-03841 Issued in NC
Practice address
6387 Ramsey St Unit 140
Fayetteville, NC 28311-9442
Phone
(910) 615-3840
Fax
(910) 321-6216
NPI assigned
Feb 27, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 5, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X 140383-1 NY
Internal Medicine Physician 207R00000X 2025-03841 NC
Medical Oncology Physician 207RX0202X 2025-03841 NC Primary
Medical Oncology Physician 207RX0202X MD423962 PA

Addresses

Primary practice location

6387 Ramsey St Unit 140
Fayetteville, NC 28311-9442

Mailing address

555 Saint Josephs Blvd
Elmira, NY 14901-3223
Phone (607) 737-7814

Other practice location 1

555 Saint Josephs Blvd
Elmira, NY 14901-3223
Phone (607) 737-7814

Other practice location 2

1638 Owen Dr
Fayetteville, NC 28304-3424
Phone (910) 615-6910

Other identifiers 8

IdentifierTypeStateIssuer
CC8362OtherNYRR MEDICARE GROUP
CC9269OtherPARR MEDICARE GROUP
1740256809MedicaidNC
GU039841OtherPAPA MEDICARE GROUP
P00098799OtherNYRR MEDICARE PIN
1010267840001MedicaidPA
00684840MedicaidNY
P00337163OtherPARR MEDICARE PIN

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, VA, NC3 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
I20201230001464 NY Practitioner - Medical OncologyPractitioner - Internal Medicine 0042296543 Reassigns benefits to 1 organization
I20211229001267 VA Practitioner - Medical Oncology 0042296543
I20260410000897 NC Practitioner - Medical Oncology 0042296543 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Medical Oncology
Education
New York University School of Medicine, 1977
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

PO Box
Suite 40908
Fayetteville, NC 28309

Hospital & facility affiliations

  • Russell County Hospital Hospital, Lebanon, VA, CCN 490002
  • Cape Fear Valley Medical Center Hospital, Fayetteville, NC, CCN 340028
  • Smyth County Community Hospital Hospital, Marion, VA, CCN 490038
  • Johnston Memorial Hospital Hospital, Abingdon, VA, CCN 490053

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2025-03841NCMDInternal Medicine Physician
140383-1NYMDMedical Oncology Physician
MD423962PAMDMedical Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Guthrie Medical Group, P.C. CurrentSince Oct 26, 2020 Accepting new patients
Guthrie Medical Group, P.C. Internal Medicine CurrentSince Oct 26, 2020 Accepting new patients
Robert Packer Hospital Past Accepting new patients
Guthrie Medical Group, P.C. Past Accepting new patients
Advantagehealth Medical Services, PC Past Accepting new patients
Cumberland County Hospital System Inc Past Accepting new patients

Locations

130 Center Way
Corning, NY 14830
Phone (607) 936-9971

134 Homer Ave
Cortland, NY 13045
Phone (607) 756-3500

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

Interoperability endpoints

  • Direct secure messaging: swelt141139@capefearvalley.direct-ci.com
  • Direct secure messaging: swelt9810@direct-guthrie.org

Organizations & group practices 7

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 19

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

View all 19

NPI Registry JSON

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

{
    "created_epoch": "1140998400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1740256809",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "555 SAINT JOSEPHS BLVD",
            "city": "ELMIRA",
            "state": "NY",
            "postal_code": "149013223",
            "telephone_number": "607-737-7814",
            "fax_number": "607-271-3430"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6387 RAMSEY ST UNIT 140",
            "city": "FAYETTEVILLE",
            "state": "NC",
            "postal_code": "283119442",
            "telephone_number": "910-615-3840",
            "fax_number": "910-321-6216"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "555 Saint Josephs Blvd",
            "address_purpose": "LOCATION",
            "city": "Elmira",
            "state": "NY",
            "postal_code": "149013223",
            "country_code": "US",
            "telephone_number": "607-737-7814",
            "fax_number": "607-271-3430",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1638 Owen Dr",
            "address_purpose": "LOCATION",
            "city": "Fayetteville",
            "state": "NC",
            "postal_code": "283043424",
            "country_code": "US",
            "telephone_number": "910-615-6910",
            "fax_number": "910-615-5626",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WELT",
        "first_name": "SYDNEY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-27",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "NY",
            "license": "140383-1",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NC",
            "license": "2025-03841",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "NC",
            "license": "2025-03841",
            "primary": true
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "PA",
            "license": "MD423962",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE GROUP",
            "identifier": "CC8362",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE GROUP",
            "identifier": "CC9269",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1740256809",
            "state": "NC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PA MEDICARE GROUP",
            "identifier": "GU039841",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE PIN",
            "identifier": "P00098799",
            "state": "NY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1010267840001",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00684840",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE PIN",
            "identifier": "P00337163",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fayetteville, NC

Sources for this page

Verify at the official NPI Registry.