MARC ERIK NELSON M.D.
NPI 1659359644
Otolaryngology - Pediatric Otolaryngology in Dayton, OH

Active since January 09, 2006PECOS Enrolled
1 CHILDRENS PLZ, DAYTON, OH 45404(937) 641-4000(937) 641-4500 Get Directions Write a Review

NPPES record last updated: February 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Marc Erik Nelson M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARC ERIK NELSON M.D. (NPI 1659359644) is an individual pediatric otolaryngology provider in Dayton, Ohio, licensed in Ohio (35.084096) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1659359644
Entity TypeIndividualMale
Primary Taxonomy207YP0228X
Provider Legal NameMARC ERIK NELSONCredential: M.D.
Location Address1 CHILDRENS PLZDayton, OH 45404-1815
Mailing AddressPo Box 933432Cleveland, OH 44193-0039 · (937) 641-5072 · Fax (937) 641-6129
Fax(937) 641-4500
Sole ProprietorNo
Enumeration DateJanuary 9, 2006
Last NPPES UpdateFebruary 13, 2026
NPPES CertifiedFebruary 13, 2026
✔ NPI 1659359644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngology · Pediatric OtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207YP0228X
License✔ Licensed in OH · 35.084096
Definition
A pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other areas of the head and neck. The pediatric otolaryngologist has special skills in the diagnosis, treatment, and management of childhood disorders of voice, speech, language and hearing.
Also ListedOtolaryngologyTaxonomy 207Y00000X · License 35-084096N (OH)
1 CHILDRENS PLZ, Dayton, OH 45404

Secondary Practice Locations 3

Location 13535 Southern BlvdKettering, OH 45429-1221 · Phone (937) 641-4000 · Fax (937) 641-4500
Location 2865 W Market StTroy, OH 45373-3837 · Phone (937) 641-4000 · Fax (937) 641-4500
Location 33333 W Tech RdMiamisburg, OH 45342-0955 · Phone (937) 641-4000 · Fax (937) 641-4500

Other Identifiers 1

Medicaid2476495OH

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marc Erik Nelson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Marc Nelson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
1 CHILDRENS PLZ
Dayton, OH 45404
  • Reassigned Medicare billing, Ohio enrollment
  • Medicare enrollment name: Dayton Childrens Specialty Physicians Inc
  • 479 clinicians in this Medicare group
Diagnostic Radiology
1 PERKINS SQ
Akron, OH 44308
  • Reassigned Medicare billing, Ohio enrollment
  • 559 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.

Other Providers at the Same Location NPPES 20

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

Pediatrics (Pediatric Critical Care Medicine)
1 CHILDRENS PLZ
DAYTON, OH 45404
Pediatrics (Pediatric Emergency Medicine)
1 CHILDRENS PLZ
DAYTON, OH 45404
Physician Assistant
1 CHILDRENS PLZ
DAYTON, OH 45404
Physician Assistant
1 CHILDRENS PLZ
DAYTON, OH 45404
Genetic Counselor, MS
1 CHILDRENS PLZ
DAYTON, OH 45404
Genetic Counselor, MS
1 CHILDRENS PLZ, DAYTON CHILDREN'S MEDICAL CENTER
DAYTON, OH 45404
Pediatrics (Pediatric Hematology-Oncology)
1 CHILDRENS PLZ
DAYTON, OH 45404
Nurse Practitioner (Family)
1 CHILDRENS PLZ
DAYTON, OH 45404

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 Marc Nelson's NPI number?

The NPI number for Marc Nelson is 1659359644. It was assigned to this individual provider in the NPPES registry on January 9, 2006.

Where is Marc Nelson located?

Marc Nelson practices at 1 Childrens Plz, Dayton, OH 45404. The listed phone number is (937) 641-4000.

What is Marc Nelson's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.

Is Marc Nelson enrolled in Medicare?

Yes. Marc Nelson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marc Nelson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Nelson reassigns Medicare benefits to 2 organizations: Dayton Children's Specialty Physicians, Inc. (Dayton, OH) and Children's Hospital Medical Center Of Akron (Akron, 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 Marc Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marc Nelson accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 3 other insurers list Marc Nelson 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.

When was this NPI record last updated?

The NPPES record for Marc Nelson was last updated on February 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.