Deborah Markiewicz, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

MD040605E Issued in PA

Practice address

501 N Lansdowne Ave
Drexel Hill, PA 19026-1114

Phone

(610) 284-8240

NPI assigned

Jul 29, 2005

Sex

Female

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 6

Medicare fee-for-service enrollment

Enrolled in PA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: deborahmarkowicz@directaddress.net

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.

• Precision Radiation Oncology PC

  • Radiation Oncology Physician
  • Chester, PA
  • NPI 1407133127
  Medicare reassignment NPD

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

{
    "created_epoch": "1122595200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1780684845",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1020A E BOAL AVE",
            "city": "BOALSBURG",
            "state": "PA",
            "postal_code": "168271509",
            "telephone_number": "814-237-8627",
            "fax_number": "814-238-0083"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 N LANSDOWNE AVE",
            "city": "DREXEL HILL",
            "state": "PA",
            "postal_code": "190261114",
            "telephone_number": "610-284-8240"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKIEWICZ",
        "first_name": "DEBORAH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-07-29",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "PA",
            "license": "MD040605E",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA USHC",
            "identifier": "0491927",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0014104980007",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KEYSTONE HEALTH PLAN EAST",
            "identifier": "0638331000",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KEYSTONE MERCY",
            "identifier": "1005825",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "1920058",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PA BCBS",
            "identifier": "734460",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Eric Mario Makoon-Singh, MD
• Seth A Malin, MD
• Ritu Manchanda, D.M.D.
• Mahnaz Naseem Maqbool, SLP
• Louis Marchese
• Claire Tarves Martin, LSW
• Lindsay Ann Martin, PHD, LPC
• Meghan Marie Martin, DMD
• Robert Marvin, MD
• Lawrence Matthews

• Radiation Oncology Physician in Drexel Hill, PA
• Providers in Drexel Hill, PA by specialty
• Radiation 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.