NPIMap

Individual provider Active NPI

Nancy H Chasko, MD

  • Internal Medicine Physician
  • York, PA
National Provider Identifier
1801094073
Registry record updated Aug 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD440612 Issued in PA
Practice address
25 Monument Rd Ste 140-145
York, PA 17403-5060
Phone
(717) 741-8003
Fax
(717) 461-7404
NPI assigned
Jul 10, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD440612 PA Primary

Addresses

Primary practice location

25 Monument Rd Ste 140-145
York, PA 17403-5060

Mailing address

601 Memory LN
York, PA 17402-2231
Phone (717) 851-1405

Other practice location 1

370 Saint Charles Way
York, PA 17402-4647
Phone (717) 741-8003

Other identifiers 7

IdentifierTypeStateIssuer
306535OtherPAUNISON-WMG
102501689MedicaidPA
1591175OtherPAGATEWAY-WMG
2514548OtherPAHIGHMARK BCBS-WMG
30080794OtherPAAMERIHEALTH MERCY-WMG
415985OtherPAUPMC-WMG
965756OtherMDCAREFIRST BCBS-WMG

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20101130000518 PA Practitioner - Internal Medicine 9537355789 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Wellspan Medical Group 2,438 clinicians

Practice addresses (Care Compare)

25 Monument Rd
Suite 140
York, PA 17403-5057
Phone (717) 741-8003

Hospital & facility affiliations

  • Wellspan Vna Home Care Home health agency, York, PA, CCN 397004
  • Bayada Home Health Care, Inc. Home health agency, Harrisburg, PA, CCN 397770
  • Wellspan York Hospital Hospital, York, PA, CCN 390046

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD440612PAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Wellspan Medical Group CurrentSince Aug 23, 2010 Accepting new patients
Wellspan Medical Group Current Accepting new patients
Wellspan Medical Group CurrentSince Aug 23, 2010 Accepting new patients
Wellspan Medical Group Internal Medicine Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

3421 Concord Rd
York, PA 17402
Phone (717) 851-2441

601 Memory Ln
York, PA 17402
Phone (717) 851-6670

370 Saint Charles Way
York, PA 17402
Phone (717) 741-3131

1600 S George St
York, PA 17403
Phone (717) 848-3615

25 Monument Rd
Ste 270
York, PA 17403
Phone (717) 741-8250

25 Monument Rd
Ste 140
York, PA 17403
Phone (717) 741-8003

Interoperability endpoints

  • Direct secure messaging: nchasko13927@wellspan.direct-ci.com

Organizations & group practices 13

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 13

Hospital & facility affiliations 8

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": "1184025600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786579200000",
    "number": "1801094073",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 MEMORY LN",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174022231",
            "telephone_number": "717-851-1405",
            "fax_number": "717-851-6969"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 MONUMENT RD STE 140-145",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174035060",
            "telephone_number": "717-741-8003",
            "fax_number": "717-461-7404"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "370 Saint Charles Way",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "PA",
            "postal_code": "174024647",
            "country_code": "US",
            "telephone_number": "717-741-8003",
            "fax_number": "717-461-7404",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHASKO",
        "first_name": "NANCY",
        "middle_name": "H",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-07-10",
        "last_updated": "2026-08-13",
        "certification_date": "2026-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD440612",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNISON-WMG",
            "identifier": "306535",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "102501689",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GATEWAY-WMG",
            "identifier": "1591175",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIGHMARK BCBS-WMG",
            "identifier": "2514548",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIHEALTH MERCY-WMG",
            "identifier": "30080794",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UPMC-WMG",
            "identifier": "415985",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BCBS-WMG",
            "identifier": "965756",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in York, PA

Sources for this page

Verify at the official NPI Registry.