Karina Szczepanczyk, M.D.
Endocrinology, Diabetes & Metabolism Physician · Middletown, CT
Karina Szczepanczyk, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Middletown, Connecticut, and NPI 1386074292, issued on Nov 14, 2013. Check the license (Connecticut 56985, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Karina Szczepanczyk
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 56985 CT
Self-reported in NPPES; status is on the state search - Practice location
- 540 Saybrook RD Ste 210, Middletown, CT 06457
- Phone
- (860) 358-2470
- Enumerated
- Nov 14, 2013
- Record last updated
- Feb 6, 2026
- Fax
- (860) 358-8693
- Medicare enrollment
- Enrolled (PECOS I20180521002985); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 214 in Connecticut → Look up another NPI →
Also registered at 540 Saybrook RD Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Supriya Kulkarni, MDEndocrinology, Diabetes & Metabolism Physician1225309222
- Van PhanEndocrinology, Diabetes & Metabolism Physician1356845036
- Christine Signore, MDEndocrinology, Diabetes & Metabolism Physician1760538334
- Kathryn Tierney, APRNFamily Nurse Practitioner1174526784
Verify Karina Szczepanczyk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 56985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,298 Medicare Part D claims for 322 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Levothyroxine Sodium179 claims
- Mounjaro99 claims
- Ozempic91 claims
- Metformin Hcl Er79 claims
- Synthroid60 claims
- Lantus Solostar55 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.
The MIPS final score for 2023 (Medicare payment program): 97.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $29.19
1 payment: food and beverage; the largest payer was Radius Health, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
One hospital affiliation
- Middlesex HospitalMiddletown, CT · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Karina Szczepanczyk among 214 endocrinology, diabetes & metabolism physician records in Connecticut
Karina Szczepanczyk, M.D. is one of 214 endocrinology, diabetes & metabolism 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 2013, is newer than 74% of them.
- NPI issued2013 · 74% of these records are older, 21% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2013 · median 2004 among the 145 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Connecticut
There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.
All 214 in Connecticut → Every provider in Middletown → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Martin Kodish, M.D.Middletown, CT 064571225035546
- Amanda Kost, D.O.Middletown, CT 064571659647188
- Supriya Kulkarni, MDMiddletown, CT 064571225309222
- Donald Levine, M.D.Middletown, CT 064571215934286
- Van PhanMiddletown, CT 064571356845036
- Christine Signore, MDMiddletown, CT 064571760538334
- Susan Wang, D.OMilford, CT 064601598880031
- Sunil Thomas, M.D.North Haven, CT 064731427362698
Common questions
What is Karina Szczepanczyk, M.D.'s NPI number?
Karina Szczepanczyk, M.D.'s National Provider Identifier (NPI) is 1386074292, issued on Nov 14, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Karina Szczepanczyk, M.D. located?
The NPPES record lists a practice address at 540 Saybrook RD Ste 210, Middletown, CT, 06457. Phone: (860) 358-2470. Providers update this record themselves, so call before visiting.
How can I verify Karina Szczepanczyk, M.D.'s license?
NPPES lists Connecticut license number 56985, 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 Karina Szczepanczyk, M.D. prescribe under Medicare Part D?
In 2024, Karina Szczepanczyk, M.D. had 1,298 Medicare Part D claims for 322 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Karina Szczepanczyk, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.