JONATHAN MARC GRISCHKAN MD
NPI 1548486715
Otolaryngology - Pediatric Otolaryngology in Columbus, OH
About Jonathan Marc Grischkan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN MARC GRISCHKAN MD (NPI 1548486715) is an individual pediatric otolaryngology provider in Columbus, Ohio, licensed in Ohio (35091563) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, maintains 11 additional practice locations, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 11
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
Jonathan Marc Grischkan 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
4Medicare enrollment records show Jonathan Grischkan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbus, OH 43205
- Reassigned Medicare billing, Ohio enrollment
- 211 clinicians in this Medicare group
Columbus, OH 43205
- Reassigned Medicare billing, Ohio enrollment
- 976 clinicians in this Medicare group
Toledo, OH 43604
- Reassigned Medicare billing, Ohio enrollment
- 690 clinicians in this Medicare group
Toledo, OH 43608
- Reassigned Medicare billing, Ohio enrollment
- 233 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.
COLUMBUS, OH 43205
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 Jonathan Grischkan's NPI number?
The NPI number for Jonathan Grischkan is 1548486715. It was assigned to this individual provider in the NPPES registry on April 17, 2007.
Where is Jonathan Grischkan located?
Jonathan Grischkan practices at 555 S 18th St, Columbus, OH 43205. The listed phone number is (614) 722-2000.
What is Jonathan Grischkan's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is Jonathan Grischkan enrolled in Medicare?
Yes. Jonathan Grischkan 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 Jonathan Grischkan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Grischkan reassigns Medicare benefits to 4 organizations: Children's Surgical Associates, Corporation (Columbus, OH), Nationwide Children's Hospital (Columbus, OH), Mercy Health Physicians North Specialty Care LLC (Toledo, OH) and Northwest Pediatric Specialists, LLC (Toledo, 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 Jonathan Grischkan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonathan Grischkan 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 5 other insurers list Jonathan Grischkan 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 Jonathan Grischkan was last updated on November 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# Jonathan Marc Grischkan, MD · NPI 1548486715
Pediatric Otolaryngology physician in Columbus, Ohio. Individual provider, active in the CMS NPPES registry since April 17, 2007.
## Identity
- **NPI:** 1548486715 (Entity type: Individual)
- **Enumerated:** April 17, 2007
- **Primary specialty:** Otolaryngology - Pediatric Otolaryngology · taxonomy 207YP0228X
- **State license:** 35091563 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 555 S 18TH ST, Columbus, OH 43205-2654
- **Phone:** (614) 722-2000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Children's Surgical Associates, Corporation (NPI 1417905324, Columbus, OH); Nationwide Children's Hospital (NPI 1851179873, Columbus, OH); Mercy Health Physicians North Specialty Care LLC (NPI 1306468418, Toledo, OH); Northwest Pediatric Specialists, LLC (NPI 1033709100, Toledo, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** November 19, 2024
- **Other identifiers:** Medicaid 3159399 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1548486715) · Data from the CMS NPPES public registry.