DR. MICHAEL W GUTH MD
NPI 1083780365
Anesthesiology in Baltimore, MD
About Dr. Michael W Guth Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL W GUTH MD (NPI 1083780365) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Maryland (D33328) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Michael W Guth Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Michael Guth reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21229
- Reassigned Medicare billing, Maryland enrollment
- 64 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 548 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 2
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.
Medicare 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.
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 Michael Guth's NPI number?
The NPI number for Michael Guth is 1083780365. It was assigned to this individual provider in the NPPES registry on November 28, 2006.
Where is Michael Guth located?
Michael Guth practices at 900 Caton Avenue, St. Agnes Hospital Dept. Of Anesthesiology, Baltimore, MD 21229. The listed phone number is (410) 368-6000.
What is Michael Guth's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Michael Guth enrolled in Medicare?
Yes. Michael Guth is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Guth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Guth reassigns Medicare benefits to 2 organizations: St. Agnes Healthcare, Inc. (Baltimore, MD) and Anesthesia Company, LLC (Annapolis, MD). 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 Michael Guth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Guth was last updated on July 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. Michael W Guth, MD · NPI 1083780365
Anesthesiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since November 28, 2006.
## Identity
- **NPI:** 1083780365 (Entity type: Individual)
- **Enumerated:** November 28, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D33328 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 900 CATON AVENUE, ST. AGNES HOSPITAL, DEPT. OF ANESTHESIOLOGY, Baltimore, MD 21229-5201
- **Phone:** (410) 368-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): St. Agnes Healthcare, Inc. (NPI 1003079799, Baltimore, MD); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2010
- **Other identifiers:** Medicare UPIN F15859; Medicare ID-Type Unspecified 006369M92
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Source: [NPI Profile](https://npiprofile.com/npi/1083780365) · Data from the CMS NPPES public registry.