Individual provider Active NPI

Christine R. Viola, D.O.

  • Geriatric Medicine (Family Medicine) Physician
  • Emmaus, PA
National Provider Identifier
1891010781
Registry record updated Sep 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Family Medicine) PhysicianTaxonomy code 207QG0300X
License
OS004850L Issued in PA
Practice address
518 Eagle Dr
Emmaus, PA 18049-1930
Phone
(610) 547-4562
NPI assigned
Apr 2, 2010
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Geriatric Medicine (Family Medicine) Physician 207QG0300X OS004850L PA Primary

Addresses

Primary practice location

518 Eagle Dr
Emmaus, PA 18049-1930

Mailing address

518 Eagle Dr
Emmaus, PA 18049-1930
Phone (610) 547-4562

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
263855-1NYMDGeriatric Medicine (Family Medicine) Physician
OS004850LPAMDGeriatric Medicine (Family Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
House Call Medical Services, P.C. PastSince Aug 22, 2016 Accepting new patients
House Call Group, PC Geriatric Medicine Past Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1270166400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789344000000",
    "number": "1891010781",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "518 EAGLE DR",
            "city": "EMMAUS",
            "state": "PA",
            "postal_code": "180491930",
            "telephone_number": "610-547-4562"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "518 EAGLE DR",
            "city": "EMMAUS",
            "state": "PA",
            "postal_code": "180491930",
            "telephone_number": "610-547-4562"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VIOLA",
        "first_name": "CHRISTINE",
        "middle_name": "R.",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2010-04-02",
        "last_updated": "2026-09-14",
        "certification_date": "2026-09-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QG0300X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Geriatric Medicine",
            "state": "PA",
            "license": "OS004850L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Emmaus, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.