Stephen A Volk, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

MD019275E Issued in PA

Practice address

701 Ostrum St
Suite 403
Fountain Hill, PA 18015-1155

Phone

(610) 867-3115

Fax

(610) 867-6991

NPI assigned

Sep 1, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Oncology Hematology of Lehigh Valley, P.C.

  • Hematology & Oncology Physician
  • Fountain Hill, PA
  • NPI 1992767859
  NPD

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

{
    "created_epoch": "1125532800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1164416434",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "701 OSTRUM ST",
            "address_2": "SUITE 403",
            "city": "FOUNTAIN HILL",
            "state": "PA",
            "postal_code": "180151155",
            "telephone_number": "610-867-3115",
            "fax_number": "610-867-6991"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "701 OSTRUM ST",
            "address_2": "SUITE 403",
            "city": "FOUNTAIN HILL",
            "state": "PA",
            "postal_code": "180151155",
            "telephone_number": "610-867-3115",
            "fax_number": "610-867-6991"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VOLK",
        "first_name": "STEPHEN",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "PA",
            "license": "MD019275E",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0011221980002",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Valley Tongue Tie and Sleep Wellness Center PLLC
• Sean Michael Vanbastelaar
• Adriaan Johan Vangaalen, MD
• Anne Marie Verdiramo, CRNP
• Cassandra Marie Vlossak, CRNP
• Celeste Wadowski
• Kirsten Waldvogel-Payton
• Nigel Wang
• Kayle Warren, D.O.
• Christopher Wayock, M.D.

• Hematology & Oncology Physician in Fountain Hill, PA
• Providers in Fountain Hill, PA by specialty
• Hematology & Oncology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.