Alexander John Heck, MD

Primary specialty

Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X

License

2023022540 Issued in MO

Practice address

12639 Old Tesson Rd
Saint Louis, MO 63128-2711

Phone

(314) 849-0311

NPI assigned

Mar 27, 2018

Last updated

May 28, 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 3

Addresses

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in MO

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

Physical Medicine and RehabilitationAlso: Pain Management

Education

University of Missouri, Kansas City, School of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Signature Medical Group IncGroup PAC ID 4880598291, 40 clinicians

Physical Therapy Spine and Sports Medicine LLCGroup PAC ID 3173654936, 123 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Hospital South Hospital, Saint Louis, MO, CCN 260077
• St Lukes Hospital Hospital, Chesterfield, MO, CCN 260179
• SSM Health Rehabilitation Hospital Inpatient rehabilitation facility, Richmond Heights, MO, CCN 263031

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: alexander.heck@direct.signature.nextgenshare.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.

• Signature Medical Group, Inc

  • Orthopaedic Surgery Physician
  • Saint Louis, MO
  • NPI 1871542761
  Medicare reassignment Care Compare group NPD
• Physical Therapy Spine & Sports Medicine LLC

  dba CORA Physical Therapy - Ballwin

  • Rehabilitation Clinic/Center
  • Ballwin, MO
  • NPI 1942524087
  Care Compare group
• Signature Medical Group, Inc

  • Durable Medical Equipment & Medical Supplies
  • Chesterfield, MO
  • NPI 1982473153
  NPD

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

• Mercy Hospital South

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1568481984
  Care Compare affiliation
• SSM Select Rehab St Louis LLC

  • Rehabilitation Hospital
  • Richmond Heights, MO
  • NPI 1659511988

  Inpatient rehabilitation facility

  Care Compare affiliation
• St. Lukes Episcopal-Presbyterian Hospital

  dba St. Luke's Hospital

  • General Acute Care Hospital
  • Chesterfield, MO
  • NPI 1346251543
  Care Compare affiliation

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

{
    "created_epoch": "1522108800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1245735638",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12639 OLD TESSON RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631282711",
            "telephone_number": "314-849-0311"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12639 OLD TESSON RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631282711",
            "telephone_number": "314-849-0311"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3601 The Vanderbilt Clinic",
            "address_purpose": "LOCATION",
            "city": "Nashville",
            "state": "TN",
            "postal_code": "372321267",
            "country_code": "US",
            "telephone_number": "615-322-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "205 Sunnyview Ln",
            "address_purpose": "LOCATION",
            "city": "Kalispell",
            "state": "MT",
            "postal_code": "599013120",
            "country_code": "US",
            "telephone_number": "406-758-7035",
            "fax_number": "406-758-7069",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "245 Windward Way Ste 101",
            "address_purpose": "LOCATION",
            "city": "Kalispell",
            "state": "MT",
            "postal_code": "599013385",
            "country_code": "US",
            "telephone_number": "406-756-8488",
            "fax_number": "406-758-3234",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "395 W 12th Ave Fl 3",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432101267",
            "country_code": "US",
            "telephone_number": "614-293-3989",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HECK",
        "first_name": "ALEXANDER",
        "middle_name": "JOHN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-27",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "MT",
            "license": "174064",
            "primary": false
        },
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "MO",
            "license": "2023022540",
            "primary": true
        },
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "TN",
            "license": "66514",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aheck720071@direct.vumc.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Health Information Service Provider",
            "address_1": "3601 The Vanderbilt Clinic",
            "city": "Nashville",
            "state": "TN",
            "country_code": "US",
            "postal_code": "372321267",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "krmcmedicalrecords@krhdirect.org",
            "affiliation": "Y",
            "affiliationName": "Kalispell Regional Medical Center Inc",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "205 Sunnyview Ln",
            "city": "Kalispell",
            "state": "MT",
            "country_code": "US",
            "postal_code": "599013120",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Caitlin Hebert
• Hebisen Counseling LLC
• Rachel E Hebisen, LPC
• Andrew Hecht, PA-C
• Lauren Marie Hecht, RD, LD
• Janise E Heck, CRNA
• Melissa Erica Hector-Greene, MD PHD
• Kathleen S Hector
• Ahmad Fahim Hedayat, MD
• Charles Hedderig

• Physical Medicine & Rehabilitation Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Physical Medicine & Rehabilitation Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 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.