JOSEPH KLAUS MD
NPI 1154826816
Anesthesiology in Baltimore, MD
About Joseph Klaus Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH KLAUS MD (NPI 1154826816) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Maryland (D94375) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Saint Francis Medical Center, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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
Joseph Klaus 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
3Medicare enrollment records show Joseph Klaus reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MD 21046
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 717 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 391 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Associated Anesthesiologists Sc
- 337 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.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Francis Medical Center
Acute Care Hospitals · Peoria, ILLuminis Health Anne Arundel Medical Center, Inc
Acute Care Hospitals · Annapolis, MDMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BALTIMORE, MD 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
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 Joseph Klaus's NPI number?
The NPI number for Joseph Klaus is 1154826816. It was assigned to this individual provider in the NPPES registry on March 26, 2018.
Where is Joseph Klaus located?
Joseph Klaus practices at 3001 S Hanover St, Baltimore, MD 21225. The listed phone number is (410) 350-8222.
What is Joseph Klaus's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Joseph Klaus enrolled in Medicare?
Yes. Joseph Klaus 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 Joseph Klaus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Klaus reassigns Medicare benefits to 3 organizations: First Colonies Anesthesia Associates, LLC (Columbia, MD), Anesthesia Company, LLC (Annapolis, MD) and Associated Anesthesiologists, S.C. (Peoria, IL). 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 Joseph Klaus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Joseph Klaus affiliated with any hospitals?
According to CMS data, Joseph Klaus is affiliated with Saint Francis Medical Center and Luminis Health Anne Arundel Medical Center, Inc.
When was this NPI record last updated?
The NPPES record for Joseph Klaus was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Joseph Klaus, MD · NPI 1154826816
Anesthesiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 26, 2018.
## Identity
- **NPI:** 1154826816 (Entity type: Individual)
- **Enumerated:** March 26, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D94375 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3001 S HANOVER ST, Baltimore, MD 21225-1233
- **Phone:** (410) 350-8222 · **Fax:** (410) 350-8220
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): First Colonies Anesthesia Associates, LLC (NPI 1740218767, Columbia, MD); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD); Associated Anesthesiologists, S.C. (NPI 1558306480, Peoria, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** January 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1154826816) · Data from the CMS NPPES public registry.