NPIMap

Individual provider Active NPI

Alexander Reiner, MD

  • Family Medicine Physician
  • Columbus, OH
National Provider Identifier
1861831497
Registry record updated Aug 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
35-127959 Issued in OH
Practice address
4100 Horizons Dr Ste 100
Columbus, OH 43220-5280
Phone
(614) 457-1793
Fax
(614) 457-0704
NPI assigned
Jun 17, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 35-127959 OH Primary

Addresses

Primary practice location

4100 Horizons Dr Ste 100
Columbus, OH 43220-5280

Mailing address

4100 Horizons Dr Ste 100
Columbus, OH 43220-5280
Phone (614) 457-1793

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address alexander.reiner@mchs.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20160728002528 OH Practitioner - Family Practice 4183865413 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Cincinnati College of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mount Carmel Healthproviders IncGroup PAC ID 9537073804, 140 clinicians

Practice addresses (Care Compare)

55 N High St
New Albany, OH 43054-7099
Phone (614) 627-1878

641 Hill Rd N
Suite a
Pickerington, OH 43147-9346
Phone (614) 627-1380

Hospital & facility affiliations

  • Mount Carmel Home Care Home health agency, Columbus, OH, CCN 367273
  • Mount Carmel East & West Hospital, Columbus, OH, CCN 360035
  • Diley Ridge Medical Center Hospital, Canal Winchester, OH, CCN 360358
  • Grant Medical Center Hospital, Columbus, OH, CCN 360017
  • Riverside Methodist Hospital Hospital, Columbus, OH, CCN 360006

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
35-127959OHMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mount Carmel Health Providers Inc Family Medicine CurrentSince Aug 1, 2016 Accepting new patients
Mount Carmel Healthproviders Inc Family Medicine CurrentSince Aug 1, 2016 Accepting new patients

Locations

6150 E Broad St
#27
Columbus, OH 43213

55 N High St
New Albany, OH 43054
Phone (614) 627-1878

641 Hill Rd N
Pickerington, OH 43147
Phone (614) 833-6001

641 Hill Rd N
Ste A
Pickerington, OH 43147
Phone (614) 627-1380

Interoperability endpoints

  • Direct secure messaging: areiner1147865@direct.trinity-health.org

Organizations & group practices 2

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.

Hospital & facility affiliations 7

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

NPI Registry JSON

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

{
    "created_epoch": "1371427200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785715200000",
    "number": "1861831497",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4100 HORIZONS DR STE 100",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432205280",
            "telephone_number": "614-457-1793",
            "fax_number": "614-457-0704"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4100 HORIZONS DR STE 100",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432205280",
            "telephone_number": "614-457-1793",
            "fax_number": "614-457-0704"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "REINER",
        "first_name": "ALEXANDER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-17",
        "last_updated": "2026-08-03",
        "certification_date": "2026-08-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OH",
            "license": "35-127959",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "alexander.reiner@mchs.com",
            "affiliation": "N",
            "endpointDescription": "Mount Carmel Health Columbus Direct  Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "641 Hill Rd N",
            "city": "Pickerington",
            "state": "OH",
            "country_code": "US",
            "postal_code": "431479346",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Columbus, OH

Sources for this page

Verify at the official NPI Registry.