John A. Salerno, M.D.
Internal Medicine Physician · Waterbury, CT
John A. Salerno, M.D. is an internal medicine physician with a practice address in Waterbury, Connecticut, and NPI 1891747473, issued on May 16, 2006. Check the license (Connecticut 21633, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John A. Salerno
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21633 CT
Self-reported in NPPES; status is on the state search - Practice location
- 60 Westwood Ave, Waterbury, CT 06708
- Phone
- (203) 573-0300
- Enumerated
- May 16, 2006
- Record last updated
- Mar 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (203) 597-9099
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 60 Westwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Randy Carrin, PSY.D.Clinical Psychologist1548206964
Verify John A. Salerno in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 21633Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
37 Medicare Part D claims for 15 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
John A. Salerno among 2,623 internal medicine physician records in Connecticut
John A. Salerno, M.D. 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2015 · 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
- Ionut Anton, MDWaterbury, CT 067081770550238
- Kevin Carr, MDWaterbury, CT 067081356316061
- Deborah Casey, MDWaterbury, CT 067081740253632
- Shiven Chabria, MDWaterbury, CT 067081932172830
- Dragoslav Drca, M.D.Waterbury, CT 067081700820008
- Yvette Fernandez, MDWaterbury, CT 067081114968302
- Thomas Gniadek, M.D.Waterbury, CT 067081972591931
- Fausto Lanao, MDWaterbury, CT 067081801844675
Common questions
What is John A. Salerno, M.D.'s NPI number?
John A. Salerno, M.D.'s National Provider Identifier (NPI) is 1891747473, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John A. Salerno, M.D. located?
The NPPES record lists a practice address at 60 Westwood Ave, Waterbury, CT, 06708. Phone: (203) 573-0300. Providers update this record themselves, so call before visiting.
How can I verify John A. Salerno, M.D.'s license?
NPPES lists Connecticut license number 21633, 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 John A. Salerno, M.D. prescribe under Medicare Part D?
In 2024, John A. Salerno, M.D. had 37 Medicare Part D claims for 15 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.