Christopher Robert Mertens, MD

Primary specialty

Pediatric Pulmonology PhysicianTaxonomy code 2080P0214X

License

83582-20 Issued in WI

Practice address

9000 W Wisconsin Ave Ste B620
Milwaukee, WI 53226-4874

Phone

(414) 266-6730

Fax

(414) 266-6742

NPI assigned

Apr 8, 2018

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in AL

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: cmertens132455@direct.chw.org

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.

• University of Alabama Health Services Foundation, PC.

  • Multi-Specialty Clinic/Center
  • Birmingham, AL
  • NPI 1093768723
  Medicare reassignment NPD
• University of Alabama Health Services Foundation, PC

  • Pediatrics Physician
  • Birmingham, AL
  • NPI 1356377576
  NPD

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

{
    "created_epoch": "1523145600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752796800000",
    "number": "1609373547",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9000 W WISCONSIN AVE STE B620",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532264874",
            "telephone_number": "414-266-6730",
            "fax_number": "414-266-6742"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9000 W WISCONSIN AVE STE B620",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532264874",
            "telephone_number": "414-266-6730",
            "fax_number": "414-266-6742"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MERTENS",
        "first_name": "CHRISTOPHER",
        "middle_name": "ROBERT",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-08",
        "last_updated": "2025-07-18",
        "certification_date": "2025-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "83582-20",
            "primary": false
        },
        {
            "code": "2080P0214X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Pulmonology",
            "state": "WI",
            "license": "83582-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lawton Avery Merritt, SAC-IT
• Melanie Merriweather
• Asa C Merriwether
• Abbey Merryman, MD
• Alix Mertens, PA-C
• Elizabeth Owers Mertens, MD
• Daniel S Mertins, M.S., LPC
• Freddie J. Mertzig, APNP
• Dean C Merwin, MSW
• Diana Andrea Mesa-Horaitis, MS LMFT

• Pediatric Pulmonology Physician in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Pediatric Pulmonology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 18, 2025; 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.