Timothy O'Byrne, MD
Cardiovascular Disease Physician · Staten Island, NY
Timothy O'Byrne, MD is a cardiovascular disease physician with a practice address in Staten Island, New York, and NPI 1538144514, issued on Dec 13, 2005. Check the license (New York 194645, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Timothy O'Byrne
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 194645 NY
Self-reported in NPPES; status is on the state search - Practice location
- 501 Seaview Ave, Staten Island, NY 10305
- Phone
- (718) 667-0077
- Enumerated
- Dec 13, 2005
- Record last updated
- May 15, 2026
- Fax
- (718) 667-4103
- Medicaid ID
- 02269964 NY
- Medicare enrollment
- Enrolled (PECOS I20080910000540); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 1992
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,583 in New York → Look up another NPI →
Also registered at 501 Seaview Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Philippe Akhrass, MDClinical Cardiac Electrophysiology Physician1992762108
- Marc Bogin, MDCardiovascular Disease Physician1760467534
- Michael Castellano, M.D.Surgery Physician1417921081
- Yasir El-Sherif, M.D., PHD.Neurology Physician1346402914
- Dany Elsayegh, M.DCritical Care Medicine (Internal Medicine) Physician1558553792
- Taolin Fang, MDNeurocritical Care Physician1437611548
Verify Timothy O'Byrne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 194645Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average cardiovascular disease physician in 2024
9,234 Medicare Part D claims for 1,106 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium1,232 claims
- Atorvastatin Calcium984 claims
- Amlodipine Besylate877 claims
- Metoprolol Succinate778 claims
- Losartan Potassium531 claims
- Eliquis433 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 MIPS final score for 2023 (Medicare payment program): 88.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cardiovascular Associates OF Staten Island LLCStaten Island, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy O'Byrne among 2,583 cardiovascular disease physician records in New York
Timothy O'Byrne, MD is one of 2,583 cardiovascular disease physician records with a practice address in New York. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1992 · median 1998 among the 1,896 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in New York
There are 2,583 cardiovascular disease physician records in New York.
All 2,583 in New York → Every provider in Staten Island → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Supreeti Behuria, M.D.Staten Island, NY 103051417240268
- Marc Bogin, MDStaten Island, NY 103051760467534
- Foad Ghavami, MDStaten Island, NY 103051952386948
- Neil Greenberg, MDStaten Island, NY 103051558369876
- Wissam Hoyek, MDStaten Island, NY 103051629186721
- James Lafferty, MDStaten Island, NY 103051104824846
- James Malpeso, MDStaten Island, NY 103051366440679
- Jennifer Malpeso, M.D.Staten Island, NY 103051528223021
Common questions
What is Timothy O'Byrne, MD's NPI number?
Timothy O'Byrne, MD's National Provider Identifier (NPI) is 1538144514, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy O'Byrne, MD located?
The NPPES record lists a practice address at 501 Seaview Ave, Staten Island, NY, 10305. Phone: (718) 667-0077. Providers update this record themselves, so call before visiting.
How can I verify Timothy O'Byrne, MD's license?
NPPES lists New York license number 194645, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy O'Byrne, MD prescribe under Medicare Part D?
In 2024, Timothy O'Byrne, MD had 9,234 Medicare Part D claims for 1,106 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Timothy O'Byrne, MD's MIPS final score?
The 2023 MIPS final score is 88.3 of 100. 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.