STEPHEN T VILLANYI MD
NPI 1437150232
Anesthesiology in Glen Burnie, MD
About Stephen T Villanyi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN T VILLANYI MD (NPI 1437150232) is an individual anesthesiology provider in Glen Burnie, Maryland, licensed in Maryland (D0058491) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Howard County Medical Center, and is a graduate of Other (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stephen T Villanyi Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Stephen Villanyi reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 24 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 391 clinicians in this Medicare group
Columbia, MD 21045
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 86 clinicians in this Medicare group
Prince Frederick, MD 20678
- Reassigned Medicare billing, Maryland enrollment
- 468 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Howard County Medical Center
Acute Care Hospitals · Columbia, 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.
GLEN BURNIE, MD 21061
GLEN BURNIE, MD 21061
GLEN BURNIE, MD 21061
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 Stephen Villanyi's NPI number?
The NPI number for Stephen Villanyi is 1437150232. It was assigned to this individual provider in the NPPES registry on August 3, 2005.
Where is Stephen Villanyi located?
Stephen Villanyi practices at 301 Hospital Dr, Glen Burnie, MD 21061. The listed phone number is (410) 787-4000.
What is Stephen Villanyi's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Stephen Villanyi enrolled in Medicare?
Yes. Stephen Villanyi is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Stephen Villanyi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Villanyi reassigns Medicare benefits to 5 organizations: Mukul Khandelwal, PA (Glen Burnie, MD), Johns Hopkins University (Baltimore, MD), Anesthesia Company, LLC (Annapolis, MD), Columbia Outpatient Sedation LLC (Columbia, MD) and North American Partners In Anesthesia Maryland LLC (Prince Frederick, 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 Stephen Villanyi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Villanyi affiliated with any hospitals?
According to CMS data, Stephen Villanyi is affiliated with Johns Hopkins Howard County Medical Center.
When was this NPI record last updated?
The NPPES record for Stephen Villanyi was last updated on October 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Stephen T Villanyi, MD · NPI 1437150232
Anesthesiology physician in Glen Burnie, Maryland. Individual provider, active in the CMS NPPES registry since August 3, 2005.
## Identity
- **NPI:** 1437150232 (Entity type: Individual)
- **Enumerated:** August 3, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D0058491 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 HOSPITAL DR, Glen Burnie, MD 21061-5803
- **Phone:** (410) 787-4000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Mukul Khandelwal, PA (NPI 1316969256, Glen Burnie, MD); Johns Hopkins University (NPI 1295731966, Baltimore, MD); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD); Columbia Outpatient Sedation LLC (NPI 1588921225, Columbia, MD); North American Partners In Anesthesia Maryland LLC (NPI 1093707879, Prince Frederick, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1985
## Record status
- **NPPES last updated:** October 27, 2015
- **Other identifiers:** Medicare ID-Type Unspecified K969F087 (MD); Medicaid 401070100 (MD); Medicare UPIN F68895
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Source: [NPI Profile](https://npiprofile.com/npi/1437150232) · Data from the CMS NPPES public registry.