Lorien Patrice Shack, MD

Primary specialty

Addiction Medicine (Internal Medicine) PhysicianTaxonomy code 207RA0401X

License

4301099212 Issued in MI

Practice address

5333 McAuley Dr. Suite 5011
Ypsilanti, MI 48197

Phone

(734) 712-8700

Fax

(734) 622-5017

NPI assigned

Jul 20, 2011

Last updated

Feb 24, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Lorien P Shack Other name

Medicare fee-for-service enrollment

Enrolled in MI

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

Specialty

Addiction MedicineAlso: Preventive Medicine

Education

Wayne State University School of Medicine, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Iha Health Services CorporationGroup PAC ID 2466351440, 1,149 clinicians

Henry Ford Health SystemGroup PAC ID 0547178311, 2,550 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Joe Mercy Hospital System Livonia Hospital, Livonia, MI, CCN 230002
• Trinity Health Ann Arbor Hospital Hospital, Ann Arbor, MI, CCN 230156

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: lshack2686213@direct.trinity-health.org
• Direct secure messaging: lshack953907@direct.hfhs.org

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.

• Henry Ford Health System

  • General Acute Care Hospital
  • Detroit, MI
  • NPI 1134144801
  Medicare reassignment Care Compare group NPD
• Iha Health Services Corporation

  dba IHA Canton Obstetrics and Gynecology

  • Obstetrics & Gynecology Physician
  • Canton, MI
  • NPI 1457408965
  Medicare reassignment Care Compare group NPD
• Henry Ford Health System

  • Psychiatry Physician
  • Detroit, MI
  • NPI 1447334750
  NPD
• Henry Ford Health System

  • Community/Retail Pharmacy
  • Plymouth, MI
  • NPI 1942931720
  NPD
• Iha Health Service Corporation

  dba Trinity Health IHA Medical Group OB/GYN Float

  • Obstetrics & Gynecology Physician
  • Ypsilanti, MI
  • NPI 1831053701
  NPD
• Iha Health Services Corporation

  dba IHA Recovery Specialists

  • Addiction Medicine (Internal Medicine) Physician
  • Ypsilanti, MI
  • NPI 1356793954
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• St Joseph Mercy Hospital

  dba Trinity Heath Ann Arbor Hospital

  • General Acute Care Hospital
  • Ypsilanti, MI
  • NPI 1780658443
  Care Compare affiliation
• St Mary Mercy Hospital

  • General Acute Care Hospital
  • Livonia, MI
  • NPI 1790706901
  Care Compare affiliation

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

{
    "created_epoch": "1311120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771891200000",
    "number": "1164710406",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24 FRANK LLOYD WRIGHT DR STE J2000",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481059484",
            "telephone_number": "734-747-6766",
            "fax_number": "734-222-3100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5333 MCAULEY DR. SUITE 5011",
            "city": "YPSILANTI",
            "state": "MI",
            "postal_code": "48197",
            "telephone_number": "734-712-8700",
            "fax_number": "734-622-5017"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHACK",
        "first_name": "LORIEN",
        "middle_name": "PATRICE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-07-20",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0401X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Addiction Medicine",
            "state": "MI",
            "license": "4301099212",
            "primary": true
        },
        {
            "code": "2083P0901X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Public Health & General Preventive Medicine",
            "state": "MI",
            "license": "4301099212",
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "MI",
            "license": "4301099212",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LORIEN",
            "last_name": "SHACK",
            "middle_name": "P",
            "credential": "MD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Claire Sensi, LLPC
• Victoria Caridad Serbia, M.D.
• Daniel Sestak, MD
• Kristyn Olivia Severson, PA-C
• Joseph Morgan Seymour, MD
• Shabana Zainab Shafy, MD
• Anjali Shah, DPT
• Asha Shah, MD
• Jay Shah, DO
• Paresh Shah

• Addiction Medicine (Internal Medicine) Physician in Ypsilanti, MI
• Providers in Ypsilanti, MI by specialty
• Addiction Medicine (Internal Medicine) Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.