THOMAS CORNISH
NPI 1003651100
Registered Nurse - Critical Care Medicine in Elkridge, MD
About Thomas Cornish NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS CORNISH (NPI 1003651100) is an individual critical care medicine provider in Elkridge, Maryland, licensed in Maryland (R227852) and active in the NPI registry since June 2024. He is affiliated with University Of Maryland Medical Center and is a graduate of Other (2025).
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
Thomas Cornish 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 Thomas Cornish reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MD 21045
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Anesthesiology Associates PA
- 303 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Shock Trauma Associates PA
- 541 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.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDFrequently 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 Thomas Cornish's NPI number?
The NPI number for Thomas Cornish is 1003651100. It was assigned to this individual provider in the NPPES registry on June 28, 2024.
Where is Thomas Cornish located?
Thomas Cornish practices at 6296 Ducketts Ln, Elkridge, MD 21075. The listed phone number is (301) 712-6568.
What is Thomas Cornish's specialty?
The primary specialty registered for this NPI is Registered Nurse, specializing in Critical Care Medicine, with taxonomy code 163WC0200X.
Is Thomas Cornish enrolled in Medicare?
Yes. Thomas Cornish 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 Thomas Cornish's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Cornish reassigns Medicare benefits to 2 organizations: University Of Maryland Anesthesiology Associates P.A. (Columbia, MD) and Shock Trauma Associates, P.A. (Baltimore, 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 Thomas Cornish's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Thomas Cornish affiliated with any hospitals?
According to CMS data, Thomas Cornish is affiliated with University Of Maryland Medical Center.
When was this NPI record last updated?
The NPPES record for Thomas Cornish was last updated on June 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Thomas Cornish · NPI 1003651100
Critical Care Medicine provider in Elkridge, Maryland. Individual provider, active in the CMS NPPES registry since June 28, 2024.
## Identity
- **NPI:** 1003651100 (Entity type: Individual)
- **Enumerated:** June 28, 2024
- **Primary specialty:** Registered Nurse - Critical Care Medicine · taxonomy 163WC0200X
- **State license:** R227852 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 6296 DUCKETTS LN, Elkridge, MD 21075-6129
- **Phone:** (301) 712-6568
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Maryland Anesthesiology Associates P.A. (NPI 1720895105, Columbia, MD); Shock Trauma Associates, P.A. (NPI 1679512909, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** June 28, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1003651100) · Data from the CMS NPPES public registry.