Doctor profile · Federal record
Dr. Theresa Tassey, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · Baltimore, MD
- NPI 1629416672
- Accepts Medicare
- MIPS 89.3 / 100 · 2023
- 13 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
301 Saint Paul St
Baltimore, MD 21202
(410) 332-9477 - Additional location
-
85 E US Highway 6
Valparaiso, IN 463838947
(219) 983-8300 - Additional location
-
2100 Stantonsburg RD
Greenville, NC 278342818
(252) 744-4184
fax (252) 744-4125 - Mailing address
-
110 S Paca St Fl 6
Baltimore, MD 212011645
Credentials & registration
- NPI registered
- June 2013 — 13 yrs on file
- Profile last updated
- November 13, 2025
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Maryland #D0081082 · Indiana #01093982A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629416672. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
314
Distinct HCPCS
5
Medicare allowed
$45,276
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 145 | 139 | $165 | |
99284 |
Emergency department visit with moderate level of medical decision making | 84 | 81 | $115 | |
99291 |
Critical care, first 30-74 minutes | 54 | 53 | $200 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 19 | 19 | $8 | |
99283 |
Emergency department visit with low level of medical decision making | 12 | 12 | $68 |
In context: peer comparison
Among 176 peers in Baltimore Emergency Medicine Physician, average services per provider: 92. This provider delivers 3.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
22
Patients
11
Total drug cost
$79
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 11 | 11 | $55 |
| Prednisone | Generic | 11 | 0 | $24 |
Hospital affiliations
Frequently asked questions
What is Dr. Theresa Tassey's medical specialty?
Dr. Theresa Tassey practices Emergency Medicine Physician in Baltimore, MD.
Where does Dr. Theresa Tassey practice?
Dr. Theresa Tassey practices at 301 Saint Paul St, Baltimore, MD 21202. Office phone: 4103329477.
What is Dr. Theresa Tassey's NPI?
Dr. Theresa Tassey's National Provider Identifier (NPI) is 1629416672, issued by NPPES.
Does Dr. Theresa Tassey accept Medicare assignment?
Yes. Dr. Theresa Tassey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Theresa Tassey commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.