Amanda Jean Kost, D.O.
Endocrinology, Diabetes & Metabolism Physician · Middletown, CT
Amanda Jean Kost, D.O. is an endocrinology, diabetes & metabolism physician with a practice address in Middletown, Connecticut, and NPI 1659647188, issued on Mar 29, 2012. Check the license (Connecticut 56533, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Amanda Jean Kost
- Credential
- D.O.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 56533 CT
Self-reported in NPPES; status is on the state search - Practice location
- 540 Saybrook RD, Middletown, CT 06457
- Phone
- (860) 358-6875
- Enumerated
- Mar 29, 2012
- Record last updated
- Dec 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170810001746); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 540 Saybrook RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sally Irons, MDObstetrics & Gynecology Physician1013011295
- Brad Jubelirer, MDPediatrics Physician1205942554
Verify Amanda Jean Kost in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 56533Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,475 Medicare Part D claims for 372 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Levothyroxine Sodium524 claims
- Metformin Hcl Er126 claims
- Liothyronine Sodium119 claims
- Synthroid85 claims
- Tresiba Flextouch U-20070 claims
- Lantus Solostar67 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).
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.
Endocrinology, Diabetes & Metabolism Physician providers in Connecticut
There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.
Other endocrinology, diabetes & metabolism physician records in Connecticut
- Hassaan Bin Aftab, M.D.Farmington, CT1477007839
- Umar Ahmad, D.O.Danbury, CT1336589746
- Fadi Al-Khayer, MDStorrs, CT1861477069
- Vivek Alaigh, MDStamford, CT1740675818
- Kenda Alkwatli, MDWethersfield, CT1063075901
- Ipek Alpertunga, MDHartford, CT1386166452
- Helen Anaedo, M.DPlainville, CT1164717021
- Anika Anam, M.D.New Haven, CT1376885905
- Muhammad Ansar, MDFarmington, CT1285918557
- Neelum AnwaarNorwalk, CT1336670041
Common questions
What is Amanda Jean Kost, D.O.'s NPI number?
Amanda Jean Kost, D.O.'s National Provider Identifier (NPI) is 1659647188, issued on Mar 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Amanda Jean Kost, D.O. located?
The NPPES record lists a practice address at 540 Saybrook RD, Middletown, CT, 06457. Phone: (860) 358-6875. Providers update this record themselves, so call before visiting.
How can I verify Amanda Jean Kost, D.O.'s license?
NPPES lists Connecticut license number 56533, 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 Amanda Jean Kost, D.O. prescribe under Medicare Part D?
In 2024, Amanda Jean Kost, D.O. had 2,475 Medicare Part D claims for 372 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Amanda Jean Kost, D.O.'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.