Theresa Elizabeth Tassey, M.D.
NPI 1629416672ActiveIndividual· Emergency Medicine· Baltimore, MD
Emergency Medicine (M.D.) with Bayhealth Emergency Physicians LLC and 2 other groups, practicing in Baltimore, Maryland. 277 Medicare patients in 2024, $36,472 paid; nearly all of their 143 Part D prescriptions were generic (97%). Lists Bayhealth Hospital, Sussex Campus and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1629416672 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2013 |
| Last updated in NPPES | Jul 6, 2026 |
| Certified by provider | Jul 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | D0081082 | MD |
| Emergency Medicine | 207P00000X | 335409 | NY |
| Emergency Medicine | 207P00000X | 01093982A | IN |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (DE); Practitioner - Emergency Medicine (IN); Practitioner - Emergency Medicine (MD); Practitioner - Emergency Medicine (NC); Practitioner - Emergency Medicine (NE); Practitioner - Emergency Medicine (NY); Practitioner - Emergency Medicine (OK); Practitioner - Emergency Medicine (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 277 |
|---|---|
| Services billed | 312 across 15 procedure codes |
| Paid by Medicare | $36,472 |
Part D prescriptions in 2024
| Prescriptions (claims) | 143 · 143 30-day fills |
|---|---|
| Patients | 100 |
| Total drug cost | $1,473 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical groups
- Bayhealth Emergency Physicians LLCMilton, DE · 87 clinicians
- Midwest Emergency Grand Island IncKearney, NE · 18 clinicians
- Ies Oklahoma LLCLawton, OK · 16 clinicians
Hospital affiliations
- Bayhealth Hospital, Sussex CampusMilford, DE
- Memorial HealthLawton, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 533 emergency medicine physicians in Baltimore · All emergency medicine physicians in Maryland