Individual provider Active NPI

Robert James Macielak, MD

  • Otology & Neurotology Physician
  • Westerville, OH
National Provider Identifier
1922503556
Registry record updated Sep 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otology & Neurotology PhysicianTaxonomy code 207YX0901X
License
35.152713 Issued in OH
Practice address
400 Altair Pkwy Ste 4200
Westerville, OH 43082-7654
Phone
(614) 366-3687
Fax
(614) 293-6176
NPI assigned
Mar 26, 2018
Last updated
Sep 10, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Otology & Neurotology Physician 207YX0901X 35.152713 OH Primary
Otolaryngology Physician 207Y00000X 65886 MN
Otolaryngology Physician 207Y00000X 35.152713 OH

Addresses

Primary practice location

400 Altair Pkwy Ste 4200
Westerville, OH 43082-7654

Mailing address

700 Ackerman Rd Ste 2120
Columbus, OH 43202-1559
Phone (614) 366-3687

Other practice location 1

740 Adair Ave
Zanesville, OH 43701-2838
Phone (614) 722-6200

Other practice location 2

26 Hospital Dr
Athens, OH 45701-2471
Phone (614) 722-6200

Other practice location 3

150 W Main St
New Albany, OH 43054-9229
Phone (614) 722-6200

Other practice location 4

915 Olentangy River Rd
Columbus, OH 43212-3153
Phone (614) 293-9215

Other practice location 5

536 S Trimble Rd
Mansfield, OH 44906-3418
Phone (614) 722-6200

Other practice location 6

1644 N Limestone St
Springfield, OH 45503-2652
Phone (614) 722-6200

Other practice location 7

455 Executive Campus Dr
Westerville, OH 43082-8870
Phone (614) 722-6200

Other practice location 8

5665 Venture Dr
Dublin, OH 43017-2159
Phone (614) 722-6200

Other practice location 9

100 Colemans Crossing Blvd
Marysville, OH 43040-7080
Phone (614) 722-6200

Other practice location 10

7853 Pacer Dr
Delaware, OH 43015-7571
Phone (614) 722-6200

Other practice location 11

405 Butterfly Gardens Dr
Columbus, OH 43215-4985
Phone (614) 722-6200

Other practice location 12

555 S 18th St
Columbus, OH 43205-2654
Phone (614) 722-6200

Other identifiers 1

IdentifierTypeStateIssuer
0120992MedicaidOH

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
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

Enrollment IDStateProvider typePAC IDDetails
I20250529000688 OH Practitioner - Otolaryngology 5092063008 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Osu Otolaryngology Head and Neck Surgery LLCGroup PAC ID 9830114529, 66 clinicians

Practice addresses (Care Compare)

400 Altair Pkwy
Suite 4200
Westerville, OH 43082-7654
Phone (614) 366-3687

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Skin biopsy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
65886MNMDOtolaryngology Physician
57.254037OHMDOtolaryngology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Osu Otolaryngology Head and Neck Surgery LLC Otolaryngology CurrentSince Jun 1, 2025 Accepting new patients

Locations

410 W 10th Ave
Columbus, OH 43210
Phone (614) 293-5905

700 Ackerman Rd
Ste 2120
Columbus, OH 43202

700 Childrens Dr
Columbus, OH 43205
Phone (614) 722-4411

915 Olentangy River Rd
Columbus, OH 43212

400 Altair Pkwy
Ste 4200
Westerville, OH 43082

Interoperability endpoints

  • Direct secure messaging: rmacielak251180@direct.osumc.edu

Organizations & group practices 1

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.

Hospital & facility affiliations 4

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": "1522022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1922503556",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 ACKERMAN RD STE 2120",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432021559",
            "telephone_number": "614-366-3687",
            "fax_number": "614-293-6176"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 ALTAIR PKWY STE 4200",
            "city": "WESTERVILLE",
            "state": "OH",
            "postal_code": "430827654",
            "telephone_number": "614-366-3687",
            "fax_number": "614-293-6176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "740 Adair Ave",
            "address_purpose": "LOCATION",
            "city": "Zanesville",
            "state": "OH",
            "postal_code": "437012838",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "26 Hospital Dr",
            "address_purpose": "LOCATION",
            "city": "Athens",
            "state": "OH",
            "postal_code": "457012471",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "150 W Main St",
            "address_purpose": "LOCATION",
            "city": "New Albany",
            "state": "OH",
            "postal_code": "430549229",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "915 Olentangy River Rd",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432123153",
            "country_code": "US",
            "telephone_number": "614-293-9215",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "536 S Trimble Rd",
            "address_purpose": "LOCATION",
            "city": "Mansfield",
            "state": "OH",
            "postal_code": "449063418",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1644 N Limestone St",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "OH",
            "postal_code": "455032652",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "455 Executive Campus Dr",
            "address_purpose": "LOCATION",
            "city": "Westerville",
            "state": "OH",
            "postal_code": "430828870",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5665 Venture Dr",
            "address_purpose": "LOCATION",
            "city": "Dublin",
            "state": "OH",
            "postal_code": "430172159",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 Colemans Crossing Blvd",
            "address_purpose": "LOCATION",
            "city": "Marysville",
            "state": "OH",
            "postal_code": "430407080",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7853 Pacer Dr",
            "address_purpose": "LOCATION",
            "city": "Delaware",
            "state": "OH",
            "postal_code": "430157571",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "405 Butterfly Gardens Dr",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432154985",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "555 S 18th St",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432052654",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MACIELAK",
        "first_name": "ROBERT",
        "middle_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-26",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207YX0901X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Otology & Neurotology",
            "state": "OH",
            "license": "35.152713",
            "primary": true
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "MN",
            "license": "65886",
            "primary": false
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "OH",
            "license": "35.152713",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0120992",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Westerville, OH

Sources for this page

Verify at the official NPI Registry.