Michael Joseph Shallcross, MD

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

85628-20 Issued in WI

Practice address

2901 W Kinnickinnic River Pkwy Ste 315
Milwaukee, WI 53215-3660

Phone

(414) 385-2592

Fax

(414) 385-2591

NPI assigned

Apr 10, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in DC

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

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.

• Patient First Richmond Medical Group PLLC

  • Family Medicine Physician
  • Glen Allen, VA
  • NPI 1689603748

  DC

  Medicare reassignment
• Comprehensive Cardiovascular Care, LLP

  • Cardiovascular Disease Physician
  • Appleton, WI
  • NPI 1740457217
  NPD (past)

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

{
    "created_epoch": "1554854400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751241600000",
    "number": "1962965624",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "615 E CORCORAN AVE UNIT 241",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532024534",
            "telephone_number": "703-851-3647"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2901 W KINNICKINNIC RIVER PKWY STE 315",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532153660",
            "telephone_number": "414-385-2592",
            "fax_number": "414-385-2591"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6311 Richmond Hwy",
            "address_purpose": "LOCATION",
            "city": "Alexandria",
            "state": "VA",
            "postal_code": "223066410",
            "country_code": "US",
            "telephone_number": "703-647-6087",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10510 Jefferson Ave Ste A",
            "address_purpose": "LOCATION",
            "city": "Newport News",
            "state": "VA",
            "postal_code": "236013102",
            "country_code": "US",
            "telephone_number": "757-594-3800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SHALLCROSS",
        "first_name": "MICHAEL",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-10",
        "last_updated": "2025-06-30",
        "certification_date": "2025-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "WI",
            "license": "85628-20",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "85628-20",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "VA",
            "license": "0101272972",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "VAExchange@patientfirstclinics.com",
            "affiliation": "N",
            "endpointDescription": "email",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "6311 Richmond Hwy",
            "city": "Alexandria",
            "state": "VA",
            "country_code": "US",
            "postal_code": "223066410",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Brooke Shaikh, APNP
• Nosheen N Shaikh, MD
• Reza Shaker, MD
• Sameer Shakir, MD
• Shalem Healing, Inc.
• Kathleen A Shallow, MD
• Natasha Rae Shallow, M.D.
• Shalom Health Center, SC
• Shalonda Booth
• Sham Chandok

• Critical Care Medicine (Internal Medicine) Physician in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Critical Care Medicine (Internal Medicine) Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.