Theresa Elizabeth Tassey, M.D.
Emergency Medicine Physician · Baltimore, MD
Theresa Elizabeth Tassey, M.D. is an emergency medicine physician with a practice address in Baltimore, Maryland, and NPI 1629416672, issued on Jun 12, 2013. Check the license (Maryland D0081082, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Theresa Elizabeth Tassey
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- D0081082 MD
01093982A IN
335409 NY
Self-reported in NPPES; status is on the state search - Practice location
- 301 Saint Paul St, Baltimore, MD 21202
- Phone
- (410) 332-9477
- Enumerated
- Jun 12, 2013
- Record last updated
- Jul 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20220610000329); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 301 Saint Paul St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kevin Babb, MDEmergency Medicine Physician1780729558
Verify Theresa Elizabeth Tassey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0081082Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average emergency medicine physician in 2024
143 Medicare Part D claims for 100 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Ondansetron Odt17 claims
- Amoxicillin-Clavulanate Potass15 claims
- Cyclobenzaprine Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Ies Oklahoma LLCLawton, OK
- Midwest Emergency Grand Island IncKearney, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theresa Elizabeth Tassey among 1,190 emergency medicine physician records in Maryland
Theresa Elizabeth Tassey, M.D. is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 68% of them.
- NPI issued2013 · 68% of these records are older, 28% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2013 · median 2010 among the 571 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
505 emergency medicine physician records list a practice address in Baltimore
They are 505 of the 35,183 NPPES records with a practice address in Baltimore, and 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Baltimore → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kevin Babb, MDBaltimore, MD 212021780729558
- Amy Donato MillerBaltimore, MD 212021578784401
- Suzanne Doyon, MDBaltimore, MD 212021477698264
- Keischa Glenn, DOBaltimore, MD 212021356380406
- Terri Green, M.D.Baltimore, MD 212021215915418
- Matthew Grzywinski, MDBaltimore, MD 212021619534658
- Scott McPherson, M.DBaltimore, MD 212021003851684
- Marc Nelson, MDBaltimore, MD 212021922628593
Common questions
What is Theresa Elizabeth Tassey, M.D.'s NPI number?
Theresa Elizabeth Tassey, M.D.'s National Provider Identifier (NPI) is 1629416672, issued on Jun 12, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Theresa Elizabeth Tassey, M.D. located?
The NPPES record lists a practice address at 301 Saint Paul St, Baltimore, MD, 21202. Phone: (410) 332-9477. Providers update this record themselves, so call before visiting.
How can I verify Theresa Elizabeth Tassey, M.D.'s license?
NPPES lists Maryland license number D0081082, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Theresa Elizabeth Tassey, M.D. prescribe under Medicare Part D?
In 2024, Theresa Elizabeth Tassey, M.D. had 143 Medicare Part D claims for 100 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Theresa Elizabeth Tassey, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.