KARL W KLAMAR MD
NPI 1881620888
Physical Medicine & Rehabilitation - Pediatric Rehabilitation Medicine in Columbus, OH
About Karl W Klamar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARL W KLAMAR MD (NPI 1881620888) is an individual pediatric rehabilitation medicine provider in Columbus, Ohio, licensed in Ohio (35082218) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Nationwide Children's Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
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
Karl W Klamar 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 Karl Klamar reassigns Medicare billing to 2 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
- 976 clinicians in this Medicare group
Columbus, OH 43205
- Reassigned Medicare billing, Ohio enrollment
- 1,246 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.
Nationwide Children's Hospital
Childrens · Columbus, OHOther 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
COLUMBUS, OH 43205
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 Karl Klamar's NPI number?
The NPI number for Karl Klamar is 1881620888. It was assigned to this individual provider in the NPPES registry on June 23, 2006.
Where is Karl Klamar located?
Karl Klamar practices at 700 Childrens Dr, Columbus, OH 43205. The listed phone number is (614) 722-5050.
What is Karl Klamar's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pediatric Rehabilitation Medicine, with taxonomy code 2081P0010X.
Is Karl Klamar enrolled in Medicare?
Yes. Karl Klamar 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 Karl Klamar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karl Klamar reassigns Medicare benefits to 2 organizations: Nationwide Children's Hospital (Columbus, OH) and Pediatric Academic Association, Inc. (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 Karl Klamar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karl Klamar accept?
Health plans from Antidote Health Plan of Ohio, Inc. and CareSource list Karl Klamar 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 Karl Klamar affiliated with any hospitals?
According to CMS data, Karl Klamar is affiliated with Nationwide Children's Hospital.
When was this NPI record last updated?
The NPPES record for Karl Klamar was last updated on February 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Karl W Klamar, MD · NPI 1881620888
Pediatric Rehabilitation Medicine physician in Columbus, Ohio. Individual provider, active in the CMS NPPES registry since June 23, 2006.
## Identity
- **NPI:** 1881620888 (Entity type: Individual)
- **Enumerated:** June 23, 2006
- **Primary specialty:** Physical Medicine & Rehabilitation - Pediatric Rehabilitation Medicine · taxonomy 2081P0010X
- **State license:** 35082218 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 700 CHILDRENS DR, Columbus, OH 43205
- **Phone:** (614) 722-5050 · **Fax:** (614) 722-5058
## 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): Nationwide Children's Hospital (NPI 1851179873, Columbus, OH); Pediatric Academic Association, Inc. (NPI 1063419943, Columbus, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Toledo College Of Medicine, class of 1993
## Record status
- **NPPES last updated:** February 21, 2022
- **Other identifiers:** Medicaid 2522658 (OH)
---
Source: [NPI Profile](https://npiprofile.com/npi/1881620888) · Data from the CMS NPPES public registry.