Themistoklis J. Nissirios, MD
Cardiovascular Disease Physician · Monroe, NY
Themistoklis J. Nissirios, MD is a cardiovascular disease physician with a practice address in Monroe, New York, and NPI 1194925370, issued on Jul 25, 2007. Check the license (New York 253483, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Themistoklis J. Nissirios
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 253483 NY
Self-reported in NPPES; status is on the state search - Practice location
- 855 State Route 17M, Monroe, NY 10950
- Phone
- (845) 703-6999
- Enumerated
- Jul 25, 2007
- Record last updated
- Oct 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (845) 703-6297
- Medicare enrollment
- Enrolled (PECOS I20070915000009); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 2003
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,583 in New York → Look up another NPI →
Also registered at 855 State Route 17M
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Linda Cuomo, MDCardiovascular Disease Physician1710145008
- Opeyemi Daramola, M.D.Otolaryngology Physician1972777860
- Taisha Davis, NPFamily Nurse Practitioner1164944294
- Katie Duggan, FNPFamily Nurse Practitioner1821700436
- Matthew Esposito, FNPFamily Nurse Practitioner1205717097
Verify Themistoklis J. Nissirios 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 253483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,050 Medicare Part D claims for 722 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Rosuvastatin Calcium492 claims
- Metoprolol Succinate448 claims
- Eliquis301 claims
- Amlodipine Besylate266 claims
- Atorvastatin Calcium256 claims
- Torsemide203 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.
Industry payments in 2024: $229.69
14 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Valley Physician Services PCHoboken, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Themistoklis J. Nissirios among 2,583 cardiovascular disease physician records in New York
Themistoklis J. Nissirios, 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 2007, is newer than 59% of them.
- NPI issued2007 · 59% of these records are older, 34% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2003 · median 1998 among the 1,896 with a school on file
- Record last updated2020 · 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 Monroe → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Linda Cuomo, MDMonroe, NY 109501710145008
- Mohammad Aminullah, M.D.Nanuet, NY 109541922027739
- Yogsing Lee, M.D.New City, NY 109561841486784
- Norbert Rainford, MDNew City, NY 109561003887852
- Peter Sayegh, MDNew City, NY 109561962864058
- Michael Cho, M.D.Middletown, NY 109411043310634
- James McLaughlin, MDMiddletown, NY 109411154316131
- Constantine Monzidelis, M.D.Middletown, NY 109411750763504
Common questions
What is Themistoklis J. Nissirios, MD's NPI number?
Themistoklis J. Nissirios, MD's National Provider Identifier (NPI) is 1194925370, issued on Jul 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Themistoklis J. Nissirios, MD located?
The NPPES record lists a practice address at 855 State Route 17M, Monroe, NY, 10950. Phone: (845) 703-6999. Providers update this record themselves, so call before visiting.
How can I verify Themistoklis J. Nissirios, MD's license?
NPPES lists New York license number 253483, 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 Themistoklis J. Nissirios, MD prescribe under Medicare Part D?
In 2024, Themistoklis J. Nissirios, MD had 4,050 Medicare Part D claims for 722 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
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.