John J. Borkowski, M.D.
Specialist · Middletown, CT
John J. Borkowski, M.D. is a specialist with a practice address in Middletown, Connecticut, and NPI 1467457663, issued on Jun 15, 2005. Check the license (Connecticut 18705, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John J. Borkowski
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 18705 CT
Self-reported in NPPES; status is on the state search - Practice location
- 85 Church St, Middletown, CT 06457
- Phone
- (860) 346-8657
- Enumerated
- Jun 15, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (860) 347-9554
- Medicare enrollment
- Enrolled (PECOS I20110304000488); accepts Medicare assignment
- Medical or professional school
- Rutgers School Of Dental Medicine, 1970
- Entity
- Type 1 · individual
8 nearest specialist records → All 397 in Connecticut → Look up another NPI →
Also registered at 85 Church St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John J. Borkowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 18705Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average specialist in 2024
102 Medicare Part D claims for 41 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Fluorouracil17 claims
- Methylprednisolone12 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.
John J. Borkowski among 397 specialist records in Connecticut
John J. Borkowski, M.D. is one of 397 specialist records with a practice address in Connecticut. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 15% of these records are
- Graduated1970 · median 1990 among the 59 with a school on file
- Record last updated2026 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Connecticut
There are 397 specialist records in Connecticut.
All 397 in Connecticut → Every provider in Middletown → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Michele KleimanMiddletown, CT 064571932208402
- Cynthia Barwise, OTR/LMilford, CT 064601154510238
- Richard Given, MDMilford, CT 064601699722652
- Yair Grinberg, MDMilford, CT 064601831187624
- Theresa Huszar, MDMilford, CT 064601528163698
- Florence McPherson, MDMilford, CT 064601659406114
- Charles O'Connell, CPTMilford, CT 064601447580808
- Martin Reichgut, M.D.Milford, CT 064601700027562
Common questions
What is John J. Borkowski, M.D.'s NPI number?
John J. Borkowski, M.D.'s National Provider Identifier (NPI) is 1467457663, issued on Jun 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John J. Borkowski, M.D. located?
The NPPES record lists a practice address at 85 Church St, Middletown, CT, 06457. Phone: (860) 346-8657. Providers update this record themselves, so call before visiting.
How can I verify John J. Borkowski, M.D.'s license?
NPPES lists Connecticut license number 18705, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does John J. Borkowski, M.D. prescribe under Medicare Part D?
In 2024, John J. Borkowski, M.D. had 102 Medicare Part D claims for 41 beneficiaries; the average among specialist prescribers was 1,380. 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.