Active NPI
Robert James Macielak, MD
- Otology & Neurotology Physician
- Westerville, OH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Otology & Neurotology Physician
- License
- 35.152713
- 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, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0120992 | Medicaid | OH |
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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Otolaryngology
- Education
- Other, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
| Procedure | Number of procedures |
|---|---|
| Skin biopsy | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 65886 | MN | MD | Otolaryngology Physician |
| 57.254037 | OH | MD | Otolaryngology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Osu Otolaryngology Head and Neck Surgery LLC | Otolaryngology | Current | 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
- 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.
-
- Otolaryngology Physician
- Columbus, OH
- NPI 1861449407
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Special Hospital
- Columbus, OH
- NPI 1124127683
-
dba Ohio State University Dodd Rehabilitation Hospital
- Rehabilitation Hospital Unit
- Columbus, OH
- NPI 1184723637
-
- General Acute Care Hospital
- Columbus, OH
- NPI 1447359997
-
dba Ohio State University Harding Hospital
- Psychiatric Hospital Unit
- Columbus, OH
- NPI 1790876183
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.