Merrill B McKenzie, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

MD035052E Issued in PA

Practice address

501 East Main Street
Waynesboro, PA 17268

Phone

(717) 765-4000

Fax

(717) 765-3447

NPI assigned

Oct 5, 2006

Last updated

Jul 31, 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 identifiers 4

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1160006400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1609962547",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "501 EAST MAIN ST",
            "city": "WAYNESBORO",
            "state": "PA",
            "postal_code": "17268",
            "telephone_number": "717-765-3400",
            "fax_number": "717-765-3408"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 EAST MAIN STREET",
            "city": "WAYNESBORO",
            "state": "PA",
            "postal_code": "17268",
            "telephone_number": "717-765-4000",
            "fax_number": "717-765-3447"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCKENZIE",
        "first_name": "MERRILL",
        "middle_name": "B",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-05",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "MD035052E",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "INDEPENDENCE BLUE CROSS",
            "identifier": "2056466000",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "930088503",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIGHMARK BLUE SHIELD",
            "identifier": "1364074",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "20015310",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Ruchi Mathur, DMD
• Jon Borkje Matre, MD
• Anne Marie Maxwell
• Dennis Edward McCullough, VMD
• Earle Gerard McFerren
• Meadow Dialysis Facility, Inc. (Waynesboro Dialysis Facility)
• Thomas J Meals, DMD, MPH, RN
• Medfill Pharmacy Inc.
• Heather Danielle Mentzer, OTR/L
• Gary Craig Mertz, SLP

• Emergency Medicine Physician in Waynesboro, PA
• Providers in Waynesboro, PA by specialty
• Emergency Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 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.