Jonathan Mosovich, M.D.
Internal Medicine Physician · Southbury, CT
Jonathan Mosovich, M.D. is an internal medicine physician with a practice address in Southbury, Connecticut, and NPI 1851578660, issued on Jan 23, 2008. Check the license (Connecticut 046537, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan Mosovich
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 046537 CT
Self-reported in NPPES; status is on the state search - Practice location
- 22 Old Waterbury RD, Southbury, CT 06488
- Phone
- (203) 264-6503
- Enumerated
- Jan 23, 2008
- Record last updated
- Feb 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (203) 262-1430
- Medicare enrollment
- Enrolled (PECOS I20080728000791); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 22 Old Waterbury RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandra Biolo, A.P.R.N.Adult Health Nurse Practitioner1700978426
- Robert Carr, M.D.Family Medicine Physician1538196795
- Linda Eglit, APRNGerontology Nurse Practitioner1306529797
- Heather Fleming, PTPhysical Therapist1972125540
- Virginia Hannon, A.P.R.N.Gerontology Nurse Practitioner1780776344
- Agata Jaskiewicz-Poznanska, M.D.Family Medicine Physician1114148558
Verify Jonathan Mosovich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 046537Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average internal medicine physician in 2024
4,647 Medicare Part D claims for 440 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 77 claims were for opioids.
Most prescribed
- Amlodipine Besylate323 claims
- Atorvastatin Calcium276 claims
- Pantoprazole Sodium188 claims
- Metoprolol Succinate185 claims
- Pravastatin Sodium185 claims
- Losartan Potassium184 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.
Bills Medicare through one group practice
- Prospect CT Medical Foundation IncManchester, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Mosovich among 2,623 internal medicine physician records in Connecticut
Jonathan Mosovich, 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2005 · median 2004 among the 1,646 with a school on file
- Record last updated2012 · 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).
19 internal medicine physician records list a practice address in Southbury
They are 19 of the 520 NPPES records with a practice address in Southbury, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Southbury → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Florentino Abueg, MDSouthbury, CT 064881649372558
- Mary AquaviaSouthbury, CT 064881982791547
- Richard Biondi, M.D.Southbury, CT 064881619931623
- Jane HunterSouthbury, CT 064881275621625
- Dileema KalansuriyaSouthbury, CT 064881972785608
- Grazyna Kaszycki, MDSouthbury, CT 064881710900055
- Mary Miller, MDSouthbury, CT 064881063437820
- Carolyn O'Connor, MDSouthbury, CT 064881851328413
Common questions
What is Jonathan Mosovich, M.D.'s NPI number?
Jonathan Mosovich, M.D.'s National Provider Identifier (NPI) is 1851578660, issued on Jan 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Mosovich, M.D. located?
The NPPES record lists a practice address at 22 Old Waterbury RD, Southbury, CT, 06488. Phone: (203) 264-6503. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Mosovich, M.D.'s license?
NPPES lists Connecticut license number 046537, 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 Jonathan Mosovich, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Mosovich, M.D. had 4,647 Medicare Part D claims for 440 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.