Michael Noel Zarrella, MD
Internal Medicine Physician · Waterbury, CT
Michael Noel Zarrella, MD is an internal medicine physician with a practice address in Waterbury, Connecticut, and NPI 1528760683, issued on Mar 21, 2023. Check the license (Connecticut 84843, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael Noel Zarrella
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 84843 CT
Self-reported in NPPES; status is on the state search - Practice location
- 56 Franklin St, Waterbury, CT 06706
- Phone
- (203) 709-6000
- Enumerated
- Mar 21, 2023
- Record last updated
- Jul 24, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 56 Franklin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Noel Zarrella in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 84843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
101 Medicare Part D claims for 31 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of 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.
Michael Noel Zarrella among 2,623 internal medicine physician records in Connecticut
Michael Noel Zarrella, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 98% of them.
- NPI issued2023 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
119 internal medicine physician records list a practice address in Waterbury
They are 119 of the 3,148 NPPES records with a practice address in Waterbury, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Waterbury → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shawnette Alston, MDWaterbury, CT 067061568495604
- Sondra Bogursky, MDWaterbury, CT 067061790711059
- Ann Conti-Kelly, M.D.Waterbury, CT 067061730283110
- Leslie Coopersmith, MDWaterbury, CT 067061801844147
- Melisha CumberlandWaterbury, CT 067061073704813
- Samer Ein Alshaeba, M.D.Waterbury, CT 067061477591097
- Franco Galasso, MDWaterbury, CT 067061174573539
- Chalmers Hamill, MDWaterbury, CT 067061578589370
Common questions
What is Michael Noel Zarrella, MD's NPI number?
Michael Noel Zarrella, MD's National Provider Identifier (NPI) is 1528760683, issued on Mar 21, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Michael Noel Zarrella, MD located?
The NPPES record lists a practice address at 56 Franklin St, Waterbury, CT, 06706. Phone: (203) 709-6000. Providers update this record themselves, so call before visiting.
How can I verify Michael Noel Zarrella, MD's license?
NPPES lists Connecticut license number 84843, 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 Michael Noel Zarrella, MD prescribe under Medicare Part D?
In 2024, Michael Noel Zarrella, MD had 101 Medicare Part D claims for 31 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.