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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ROBERT JAMES MACIELAK MD
NPI 1922503556
Otolaryngology - Otology & Neurotology in Westerville, OH

Active since March 26, 2018PECOS EnrolledAccepts Medicare Assignment
400 ALTAIR PKWY STE 4200, WESTERVILLE, OH 43082(614) 366-3687(614) 293-6176 Get Directions Write a Review

NPPES record last updated: September 10, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 10, 2026, Jul 15, 2026, Jul 6, 2026 and 6 more (9 updates tracked since 2018).

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

NPI1922503556
Entity TypeIndividualMale
Primary Taxonomy207YX0901X
Provider Legal NameDR. ROBERT JAMES MACIELAKCredential: MD
Location Address400 ALTAIR PKWY STE 4200Westerville, OH 43082-7654
Mailing Address700 Ackerman Rd Ste 2120Columbus, OH 43202-1559 · (614) 366-3687 · Fax (614) 293-6176
Phone(614) 366-3687
Fax(614) 293-6176
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 26, 2018
Last NPPES UpdateSeptember 10, 20269 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2026
✔ NPI 1922503556 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngology · Otology & NeurotologyAllopathic & Osteopathic Physicians
Taxonomy Code207YX0901X
License✔ Licensed in OH · 35.152713
Definition
An otolaryngologist who treats diseases of the ear and temporal bone, including disorders of hearing and balance. The additional training in otology and neurotology emphasizes the study of embryology, anatomy, physiology, epidemiology, pathophysiology, pathology, genetics, immunology, microbiology and the etiology of diseases of the ear and temporal bone.
Also ListedOtolaryngologyTaxonomy 207Y00000X · License 65886 (MN), 35.152713 (OH)
400 ALTAIR PKWY STE 4200, Westerville, OH 43082
Open in Google Maps ↗

Secondary Practice Locations 12

Location 1740 Adair AveZanesville, OH 43701-2838 · Phone (614) 722-6200
Location 226 Hospital DrAthens, OH 45701-2471 · Phone (614) 722-6200
Location 3150 W Main StNew Albany, OH 43054-9229 · Phone (614) 722-6200
Location 4915 Olentangy River RdColumbus, OH 43212-3153 · Phone (614) 293-9215
Location 5536 S Trimble RdMansfield, OH 44906-3418 · Phone (614) 722-6200
Location 61644 N Limestone StSpringfield, OH 45503-2652 · Phone (614) 722-6200
Location 7455 Executive Campus DrWesterville, OH 43082-8870 · Phone (614) 722-6200
Location 85665 Venture DrDublin, OH 43017-2159 · Phone (614) 722-6200
Location 9100 Colemans Crossing BlvdMarysville, OH 43040-7080 · Phone (614) 722-6200
Location 107853 Pacer DrDelaware, OH 43015-7571 · Phone (614) 722-6200
Location 11405 Butterfly Gardens DrColumbus, OH 43215-4985 · Phone (614) 722-6200
Location 12555 S 18th StColumbus, OH 43205-2654 · Phone (614) 722-6200

Other Identifiers 1

Medicaid0120992OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID5092063008
PECOS Enrollment IDI20250529000688
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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, OH
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number360085
Location410 West 10th AvenueColumbus, OH 43210 · Franklin County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTIANA WAGNER SLP
Speech-Language Pathologist
400 ALTAIR PKWY STE 4200
WESTERVILLE, OH 43082
Delaware County (614) 366-3687

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.

What insurance does Robert Macielak accept?

Health plans from 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 17 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.