DR. ROBERT JAMES MACIELAK MD
NPI 1922503556
Otolaryngology - Otology & Neurotology in Westerville, OH
About Dr. Robert James Macielak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT JAMES MACIELAK MD (NPI 1922503556) is an individual otology & neurotology provider in Westerville, Ohio, licensed in Ohio (35.152713) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Ohio State University State Health System, and maintains 12 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 12
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Robert James Macielak Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Robert Macielak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbus, OH 43212
- Reassigned Medicare billing, Ohio enrollment
- 65 clinicians in this Medicare group
Columbus, OH 43205
- Reassigned Medicare billing, Ohio enrollment
- 211 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohio State University State Health System
Acute Care Hospitals · Columbus, OHOther Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Robert Macielak's NPI number?
The NPI number for Robert Macielak is 1922503556. It was assigned to this individual provider in the NPPES registry on March 26, 2018.
Where is Robert Macielak located?
Robert Macielak practices at 400 Altair Pkwy Ste 4200, Westerville, OH 43082. The listed phone number is (614) 366-3687.
What is Robert Macielak's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Otology & Neurotology, with taxonomy code 207YX0901X.
Is Robert Macielak enrolled in Medicare?
Yes. Robert Macielak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Robert Macielak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Macielak reassigns Medicare benefits to 2 organizations: Osu Otolaryngology Head And Neck Surgery LLC (Columbus, OH) and Children's Surgical Associates, Corporation (Columbus, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Macielak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Macielak accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and Molina Healthcare list Robert Macielak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Robert Macielak affiliated with any hospitals?
According to CMS data, Robert Macielak is affiliated with Ohio State University State Health System.
When was this NPI record last updated?
The NPPES record for Robert Macielak was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Robert James Macielak, MD · NPI 1922503556
Otology & Neurotology physician in Westerville, Ohio. Individual provider, active in the CMS NPPES registry since March 26, 2018.
## Identity
- **NPI:** 1922503556 (Entity type: Individual)
- **Enumerated:** March 26, 2018
- **Primary specialty:** Otolaryngology - Otology & Neurotology · taxonomy 207YX0901X
- **State license:** 35.152713 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 ALTAIR PKWY STE 4200, Westerville, OH 43082-7654
- **Phone:** (614) 366-3687 · **Fax:** (614) 293-6176
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Osu Otolaryngology Head And Neck Surgery LLC (NPI 1861449407, Columbus, OH); Children's Surgical Associates, Corporation (NPI 1417905324, Columbus, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** September 10, 2026
- **Other identifiers:** Medicaid 0120992 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1922503556) · Data from the CMS NPPES public registry.