Doctor profile · Federal record

Dr. Timothy O'Byrne, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Staten Island, NY

  • NPI 1538144514
  • Accepts Medicare
  • MIPS 88.3 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
501 Seaview Ave, Suite 100
Staten Island, NY 103053436
(718) 667-0077
fax (718) 667-4103

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
June 19, 2012
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
New York #194645
Medicaid
NY #02269964

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538144514. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,512
Distinct HCPCS
10
Medicare allowed
$404,217
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,721 946 $148
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 1,021 840 $17
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 355 351 $232
99204 New patient office or other outpatient visit, 45-59 minutes 68 68 $195
93320 Ultrasound of heart blood flow, valves and chambers 60 60 $60
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 60 60 $28
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 60 60 $275
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 48 42 $150
93228 Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 40 38 $29
93224 Electrocardiogram (ecg) 2-day continuous with review and report by health care professional 32 30 $81

In context: peer comparison

Among 21 peers in Staten Island Cardiovascular Disease Physician, average services per provider: 305. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,409
Patients
2,073
Total drug cost
$644,853
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 984 321 $19,688
Atorvastatin Calcium Generic 890 284 $13,606
Amlodipine Besylate Generic 794 247 $5,790
Metoprolol Succinate Generic 737 235 $15,408
Losartan Potassium Generic 509 164 $7,312
Eliquis (Apixaban) Brand 413 115 $553,686
Simvastatin Generic 365 112 $3,492
Metoprolol Tartrate Generic 335 127 $3,002
Furosemide Generic 291 111 $1,966
Lisinopril Generic 234 72 $2,367

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy O'Byrne's medical specialty?
Dr. Timothy O'Byrne practices Cardiovascular Disease Physician in Staten Island, NY.
Where does Dr. Timothy O'Byrne practice?
Dr. Timothy O'Byrne practices at 501 Seaview Ave, Staten Island, NY 103053436. Office phone: 7186670077.
What is Dr. Timothy O'Byrne's NPI?
Dr. Timothy O'Byrne's National Provider Identifier (NPI) is 1538144514, issued by NPPES.
Does Dr. Timothy O'Byrne accept Medicare assignment?
Yes. Dr. Timothy O'Byrne accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy O'Byrne 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.