Mark Louis Ruggiero, M.D.
Cardiovascular Disease Physician · Waterbury, CT
Mark Louis Ruggiero, M.D. is a cardiovascular disease physician with a practice address in Waterbury, Connecticut, and NPI 1396773644, issued on Jun 28, 2006. Check the license (Connecticut 033880, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark Louis Ruggiero
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 033880 CT
Self-reported in NPPES; status is on the state search - Practice location
- 455 Chase Pkwy, Waterbury, CT 06708
- Phone
- (203) 573-1435
- Enumerated
- Jun 28, 2006
- Record last updated
- Jul 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (203) 755-7433
- Medicaid IDs
- 1396773644 CT
001338806 CT - Medicare enrollment
- Enrolled (PECOS I20100225000135); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 1987
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 503 in Connecticut → Look up another NPI →
Also registered at 455 Chase Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ehsan Ansari, M.D.Interventional Cardiology Physician1841236312
- Henry Borkowski, MDCardiovascular Disease Physician1952337883
- Michele Colwell, PAPhysician Assistant1518071406
- Dennis Dobkin, M.D.Cardiovascular Disease Physician1902833379
- Arslan Johnghar, MDCardiovascular Disease Physician1568755700
- Melanie Lentini, APRNNurse Practitioner1356866826
Verify Mark Louis Ruggiero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 033880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average cardiovascular disease physician in 2024
7,301 Medicare Part D claims for 874 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Atorvastatin Calcium704 claims
- Eliquis593 claims
- Metoprolol Succinate532 claims
- Amlodipine Besylate409 claims
- Ezetimibe397 claims
- Metoprolol Tartrate387 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: $54.22
2 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
- Cardiology Associates OF Greater Waterbury, LLCWaterbury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Louis Ruggiero among 503 cardiovascular disease physician records in Connecticut
Mark Louis Ruggiero, M.D. is one of 503 cardiovascular disease physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 23% of them.
- NPI issued2006 · 23% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1987 · median 2000 among the 348 with a school on file
- Record last updated2014 · 71% 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 Connecticut 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 Connecticut
There are 503 cardiovascular disease physician records in Connecticut.
All 503 in Connecticut → Every provider in Waterbury → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Henry Borkowski, MDWaterbury, CT 067081952337883
- Dennis Dobkin, M.D.Waterbury, CT 067081902833379
- Arslan Johnghar, MDWaterbury, CT 067081568755700
- Kevin Kett, M.D.Waterbury, CT 067081669417184
- Michael Malinics, D.O.Waterbury, CT 067081255499653
- Joseph Morley, M.D.Waterbury, CT 067081053349407
- Essam Nakhla, M.D.Waterbury, CT 067081487910410
- Joel Sherman, M.D.Waterbury, CT 067081114015427
Common questions
What is Mark Louis Ruggiero, M.D.'s NPI number?
Mark Louis Ruggiero, M.D.'s National Provider Identifier (NPI) is 1396773644, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Louis Ruggiero, M.D. located?
The NPPES record lists a practice address at 455 Chase Pkwy, Waterbury, CT, 06708. Phone: (203) 573-1435. Providers update this record themselves, so call before visiting.
How can I verify Mark Louis Ruggiero, M.D.'s license?
NPPES lists Connecticut license number 033880, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Louis Ruggiero, M.D. prescribe under Medicare Part D?
In 2024, Mark Louis Ruggiero, M.D. had 7,301 Medicare Part D claims for 874 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.