NPPES file of Aug 9, 2026

Corinne D. Kalser, MD

Hospitalist Physician · Waterbury, CT

Corinne D. Kalser, MD is a hospitalist physician with a practice address in Waterbury, Connecticut, and NPI 1265405088, issued on Feb 10, 2006. Check the license (Connecticut 039722, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265405088
Name
Corinne D. Kalser
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
039722 CT
Self-reported in NPPES; status is on the state search
Practice location
64 Robbins St, Waterbury, CT 06708
Phone
(203) 573-6263
Enumerated
Feb 10, 2006
Record last updated
Dec 15, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(203) 573-6030
Medicaid ID
001397224 CT
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 64 Robbins St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elijah AdamsPhysician Assistant1598570939
  2. Jennifer Aldrich, PA-CPhysician Assistant1992108757
  3. Muhammad Saad Bin AmjadHospitalist Physician1508247305
  4. Samuel Amoakohene, M.D.Anesthesiology Physician1144632241
  5. Andrea AndersenPhysician Assistant1265921399
  6. Grace AppahStudent in an Organized Health Care Education/Training Program1295562379

Verify Corinne D. Kalser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 039722
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

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62% fewer Medicare Part D claims than the average hospitalist physician in 2024

199 Medicare Part D claims for 26 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Corinne Kalser199
  2. Specialty average521

Most prescribed

  1. Buprenorphine-Naloxone34 claims
  2. Amlodipine Besylate19 claims
  3. Duloxetine Hcl15 claims
  4. Quetiapine Fumarate13 claims
  5. Gabapentin11 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): 94.2 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.

  1. Qualityout of 100 · 30% of the final score78.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $142.97

7 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Corinne Kalser$142.97
  2. Specialty average$494.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Corinne D. Kalser among 400 hospitalist physician records in Connecticut

Corinne D. Kalser, MD is one of 400 hospitalist physician records with a practice address in Connecticut. 94% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 85% newer
  • In a Medicare fileYes · 94% of these records are
  • In the CMS Doctors and Clinicians fileNo · 83% of these records are
  • Record last updated2016 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Connecticut

There are 400 hospitalist physician records in Connecticut.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Muhammad Saad Bin AmjadWaterbury, CT 067081508247305
  2. Siddharth Bethi, MDWaterbury, CT 067081265694939
  3. Paul Fiore, M.D.Waterbury, CT 067081669601811
  4. Medhat Ghaly, M.D.Waterbury, CT 067081407218761
  5. Ann SkariyaWaterbury, CT 067081902338601
  6. Himal Thakar, MDWaterbury, CT 067081508874470
  7. Leor Zedek, M.D.Waterbury, CT 067081427000538
  8. Amritha AlapatiWaterbury, CT 067061982164588

Common questions

What is Corinne D. Kalser, MD's NPI number?

Corinne D. Kalser, MD's National Provider Identifier (NPI) is 1265405088, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Corinne D. Kalser, MD located?

The NPPES record lists a practice address at 64 Robbins St, Waterbury, CT, 06708. Phone: (203) 573-6263. Providers update this record themselves, so call before visiting.

How can I verify Corinne D. Kalser, MD's license?

NPPES lists Connecticut license number 039722, 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 Corinne D. Kalser, MD prescribe under Medicare Part D?

In 2024, Corinne D. Kalser, MD had 199 Medicare Part D claims for 26 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is Corinne D. Kalser, MD's MIPS final score?

The 2023 MIPS final score is 94.2 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.