Oliver Royer Zuses, MD, MPH

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

D0079915 Issued in MD

Practice address

620 W Macphail Rd Ste 101
Bel Air, MD 21014-4474

Phone

(410) 593-8544

Fax

(833) 764-0639

NPI assigned

Mar 22, 2012

Last updated

Sep 4, 2026By the provider in NPPES

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 names 1

• Marian Frances Royer Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: oliver.zuses@217526021193732.direct.elationemr.com

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.

• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

{
    "created_epoch": "1332374400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1912273046",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "620 W MACPHAIL RD STE 101",
            "city": "BEL AIR",
            "state": "MD",
            "postal_code": "210144474",
            "telephone_number": "410-593-8544"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "620 W MACPHAIL RD STE 101",
            "city": "BEL AIR",
            "state": "MD",
            "postal_code": "210144474",
            "telephone_number": "410-593-8544",
            "fax_number": "833-764-0639"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZUSES",
        "first_name": "OLIVER",
        "middle_name": "ROYER",
        "credential": "MD, MPH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-03-22",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MD",
            "license": "D0079915",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARIAN",
            "last_name": "ROYER",
            "middle_name": "FRANCES",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Zinder Anesthesia, LLC
• Rachel Zingarelli, LMSW
• Cheryl Ann Zlomke, MSN, RN
• Kate M Zuraitis
• Jaclyn Naomi Zureick, PA-C
• Jenna Zwiebel, MS, OTR/L, MED
• Kristen Tamara Zygala, PSY.D.
• Craig S Zylka, CRNP

• Family Medicine Physician in Bel Air, MD
• Providers in Bel Air, MD by specialty
• Family Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.