Individual provider Active NPI

Alexander J. Hallwachs, MD

  • Orthopaedic Surgery Physician
  • Cleveland, OH
National Provider Identifier
1821624735
Registry record updated Aug 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
W7327 Issued in TX
Practice address
11100 Euclid Ave
Cleveland, OH 44106-1716
Phone
(216) 844-8447
NPI assigned
Mar 23, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 5, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Orthopaedic Surgery Physician 207X00000X W7327 TX Primary

Addresses

Primary practice location

11100 Euclid Ave
Cleveland, OH 44106-1716

Mailing address

11100 Euclid Ave
Cleveland, OH 44106-1716

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Interoperability endpoints

  • Direct secure messaging: ahallwachs1163118@direct.hfhs.org
  • Direct secure messaging: ahallwachs31494@ehrdirect.uhhospitals.org

NPI Registry JSON

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

{
    "created_epoch": "1584921600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1821624735",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11100 EUCLID AVE",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441061716"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11100 EUCLID AVE",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441061716",
            "telephone_number": "216-844-8447"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HALLWACHS",
        "first_name": "ALEXANDER",
        "middle_name": "J.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-23",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "TX",
            "license": "W7327",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cleveland, OH

Sources for this page

Verify at the official NPI Registry.