Doctor profile · Federal record
Dr. Thomas Guarnieri, M.D.
Clinical Cardiac Electrophysiology Physician · Cardiovascular Disease Physician · Towson, MD
- NPI 1275536591
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6569 N Charles St, Suite 600
Towson, MD 212046831
(410) 602-9262
fax (410) 602-9276 - Mailing address
-
1838 Greene Tree RD, Ste 150Ll
Baltimore, MD 212086391
Credentials & registration
- NPI registered
- May 2005 — 21 yrs on file
- Profile last updated
- August 23, 2010
- Specialty taxonomy
- 207RC0001X — NUCC code
- State license (1)
- Maryland #D0018334
- Medicaid
- MD #316801800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275536591. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,100
Distinct HCPCS
10
Medicare allowed
$231,790
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 955 | 666 | $134 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 425 | 385 | $15 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 203 | 198 | $209 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 125 | 125 | $70 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 123 | 123 | $175 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 43 | 42 | $188 | |
93244 |
Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | 34 | 34 | $24 | |
93015 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 30 | 30 | $71 | |
93248 |
Heart rhythm review and interpretation of continous external ekg over 8-15 days | 28 | 27 | $27 | |
93356 |
Heart muscle strain imaging | 15 | 15 | $39 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 96. This provider delivers 22× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,378
Patients
809
Total drug cost
$808,361
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 502 | 169 | $14,404 |
| Eliquis (Apixaban) | Brand | 460 | 132 | $568,767 |
| Atorvastatin Calcium | Generic | 236 | 88 | $4,210 |
| Xarelto (Rivaroxaban) | Brand | 171 | 42 | $197,048 |
| Rosuvastatin Calcium | Generic | 143 | 51 | $5,660 |
| Flecainide Acetate | Generic | 126 | 36 | $7,081 |
| Spironolactone | Generic | 109 | 41 | $1,129 |
| Carvedilol | Generic | 107 | 35 | $1,245 |
| Furosemide | Generic | 97 | 46 | $883 |
| Metoprolol Tartrate | Generic | 90 | 37 | $1,156 |
Frequently asked questions
What is Dr. Thomas Guarnieri's medical specialty?
Dr. Thomas Guarnieri practices Clinical Cardiac Electrophysiology Physician in Towson, MD.
Where does Dr. Thomas Guarnieri practice?
Dr. Thomas Guarnieri practices at 6569 N Charles St, Towson, MD 212046831. Office phone: 4106029262.
What is Dr. Thomas Guarnieri's NPI?
Dr. Thomas Guarnieri's National Provider Identifier (NPI) is 1275536591, issued by NPPES.
What procedures does Dr. Thomas Guarnieri commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.