THERESA ELIZABETH TASSEY M.D.
NPI 1629416672
Emergency Medicine in Baltimore, MD
About Theresa Elizabeth Tassey M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THERESA ELIZABETH TASSEY M.D. (NPI 1629416672) is an individual emergency medicine provider in Baltimore, Maryland, licensed in Maryland (D0081082) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Union Hospital Of Cecil County, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Theresa Elizabeth Tassey M.d. 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.
Areas of Expertise CMS Part B claims 3
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Union Hospital Of Cecil County
Acute Care Hospitals · Elkton, MDChi Health St. Francis
Acute Care Hospitals · Grand Island, NESaint Francis Hospital Muskogee
Acute Care Hospitals · Muskogee, OKSouthwestern Medical Center
Acute Care Hospitals · Lawton, OKSaint Francis Hospital South, LLC
Acute Care Hospitals · Tulsa, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
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 Theresa Tassey's NPI number?
The NPI number for Theresa Tassey is 1629416672. It was assigned to this individual provider in the NPPES registry on June 12, 2013.
Where is Theresa Tassey located?
Theresa Tassey practices at 301 Saint Paul St, Baltimore, MD 21202. The listed phone number is (410) 332-9477.
What is Theresa Tassey's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Theresa Tassey enrolled in Medicare?
Yes. Theresa Tassey 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.
What insurance does Theresa Tassey accept?
Health plans from Blue Cross and Blue Shield of Nebraska, Medica and Oscar Insurance Company list Theresa Tassey 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 Theresa Tassey affiliated with any hospitals?
According to CMS data, Theresa Tassey is affiliated with Union Hospital Of Cecil County, Chi Health St. Francis, Saint Francis Hospital Muskogee, Southwestern Medical Center and Saint Francis Hospital South, LLC.
When was this NPI record last updated?
The NPPES record for Theresa Tassey was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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.
# Theresa Elizabeth Tassey, M.D. · NPI 1629416672
Emergency Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 12, 2013.
## Identity
- **NPI:** 1629416672 (Entity type: Individual)
- **Enumerated:** June 12, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** D0081082 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 SAINT PAUL ST, Baltimore, MD 21202
- **Phone:** (410) 332-9477
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Indiana University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** July 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1629416672) · Data from the CMS NPPES public registry.