Constantin Carseli, MD
Endocrinology, Diabetes & Metabolism Physician · Norwich, CT
Constantin Carseli, MD is an endocrinology, diabetes & metabolism physician with a practice address in Norwich, Connecticut, and NPI 1255428132, issued on Oct 10, 2006. Check the license (Connecticut 040484, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Constantin Carseli
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 040484 CT
Self-reported in NPPES; status is on the state search - Practice location
- 119 Sachem St., Norwich, CT 06360
- Phone
- (860) 859-3006
- Enumerated
- Oct 10, 2006
- Record last updated
- Jun 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (860) 859-1222
- Medicaid ID
- 001404847 CT
- Medicare enrollment
- Enrolled (PECOS I20070117000028); 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 →
Verify Constantin Carseli in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 040484Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
4,513 Medicare Part D claims for 630 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Synthroid481 claims
- Levothyroxine Sodium479 claims
- Lantus Solostar248 claims
- Metformin Hcl222 claims
- Januvia166 claims
- Jardiance159 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): 81.6 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: $494.23
23 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Constantin Carseli among 214 endocrinology, diabetes & metabolism physician records in Connecticut
Constantin Carseli, MD 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1993 · median 2004 among the 145 with a school on file
- Record last updated2019 · 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 Norwich → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Meshal QaiserNorwich, CT 063601932661428
- Stephen Phelan, M.D.Pawcatuck, CT 063791326142332
- Ann Taylor, M.D.Groton, CT 063401366585762
- Vibha Gautam, M.D.New London, CT 063201316042344
- Alan Krasner, M.D.New London, CT 063201932211562
- Robert Lamberton, M.D.New London, CT 063201205949658
- Saul Neuman, MDNew London, CT 063201316041601
- Stephen Quevedo, M.D.New London, CT 063201942313481
Common questions
What is Constantin Carseli, MD's NPI number?
Constantin Carseli, MD's National Provider Identifier (NPI) is 1255428132, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Constantin Carseli, MD located?
The NPPES record lists a practice address at 119 Sachem St., Norwich, CT, 06360. Phone: (860) 859-3006. Providers update this record themselves, so call before visiting.
How can I verify Constantin Carseli, MD's license?
NPPES lists Connecticut license number 040484, 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 Constantin Carseli, MD prescribe under Medicare Part D?
In 2024, Constantin Carseli, MD had 4,513 Medicare Part D claims for 630 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Constantin Carseli, MD's MIPS final score?
The 2023 MIPS final score is 81.6 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.