KARL ORTH MD
NPI 1891783536
Anesthesiology in Neenah, WI
About Karl Orth Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARL ORTH MD (NPI 1891783536) is an individual anesthesiology provider in Neenah, Wisconsin, licensed in Wisconsin (42391-020) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Thedacare Regional Med Ctr - Neenah, and is a graduate of Medical College Of Wisconsin (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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 Orth 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 Reassignment
Medicare enrollment records show Karl Orth reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 144 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.
Thedacare Regional Med Ctr - Neenah
Acute Care Hospitals · Neenah, WIOther Providers at the Same Location NPPES 20
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 Karl Orth's NPI number?
The NPI number for Karl Orth is 1891783536. It was assigned to this individual provider in the NPPES registry on October 6, 2005.
Where is Karl Orth located?
Karl Orth practices at 130 2nd St Ste. A107, Neenah, WI 54956. The listed phone number is (920) 729-3332.
What is Karl Orth's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Karl Orth enrolled in Medicare?
Yes. Karl Orth 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 organization bills Medicare for Karl Orth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karl Orth reassigns Medicare benefits to Association Of Hospital Anesthesiologists Sc (Neenah, WI). The 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 Orth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karl Orth accept?
Health plans from CareSource (Common Ground Healthcare) list Karl Orth 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 Orth affiliated with any hospitals?
According to CMS data, Karl Orth is affiliated with Thedacare Regional Med Ctr - Neenah.
When was this NPI record last updated?
The NPPES record for Karl Orth was last updated on October 31, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 Orth, MD · NPI 1891783536
Anesthesiology physician in Neenah, Wisconsin. Individual provider, active in the CMS NPPES registry since October 6, 2005.
## Identity
- **NPI:** 1891783536 (Entity type: Individual)
- **Enumerated:** October 6, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 42391-020 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 130 2ND ST, STE. A107, Neenah, WI 54956-2883
- **Phone:** (920) 729-3332
## 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:** Association Of Hospital Anesthesiologists Sc (NPI 1720076474, Neenah, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 1999
## Record status
- **NPPES last updated:** October 31, 2007
- **Other identifiers:** Medicare UPIN H85023 (WI); Medicare PIN 0010 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1891783536) · Data from the CMS NPPES public registry.