NPPES file of Aug 9, 2026

Lester Steven Kritzer, M.D.

Endocrinology, Diabetes & Metabolism Physician · Manchester, CT

Lester Steven Kritzer, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Manchester, Connecticut, and NPI 1245206663, issued on Feb 25, 2006. Check the license (Connecticut 022080, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245206663
Name
Lester Steven Kritzer
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
022080 CT
Self-reported in NPPES; status is on the state search
Practice location
935 Main St, Manchester, CT 06040
Phone
(860) 649-0233
Enumerated
Feb 25, 2006
Record last updated
Jul 12, 2007 (not updated in 19 years: call before relying on the address or phone)
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.
Download card Updates feed

Also registered at 935 Main St

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

  1. Marline Cosme, M.A. MFTMarriage & Family Therapist1770719189
  2. Arthur Freedman, D.M.D.Dentist1639392517
  3. Minh Han, MDFamily Medicine Physician1881605178
  4. Elizabeth Ibsen, MA, MSWClinical Social Worker1831433838
  5. Karen Keefe Colt, LADCAddiction (Substance Use Disorder) Counselor1114151677
  6. Anjum Khera, MDSpecialist1023047784

Verify Lester Steven Kritzer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 022080
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

22% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,053 Medicare Part D claims for 412 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.

  1. Lester Kritzer2,053
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium938 claims
  2. Synthroid285 claims
  3. Metformin Hcl Er86 claims
  4. Liothyronine Sodium81 claims
  5. Methimazole74 claims
  6. Levoxyl43 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.

Lester Steven Kritzer among 214 endocrinology, diabetes & metabolism physician records in Connecticut

Lester Steven Kritzer, 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 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 fileNo · 68% of these records are
  • Record last updated2007 · 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.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Thomas Jones, MDFarmington, CT 060321235190562
  2. Hassaan Bin Aftab, M.D.Farmington, CT 060301477007839
  3. Muhammad Ansar, MDFarmington, CT 060301285918557
  4. Ernesto Canalis, M.D.Farmington, CT 060301316925514
  5. Francesco Celi, M.D.Farmington, CT 060301427320761
  6. Brendan Dillon, MDFarmington, CT 060301710506399
  7. Mahima Gulati, M.D.Farmington, CT 060301134445083
  8. Marja Hurley, MDFarmington, CT 060301134284516

Common questions

What is Lester Steven Kritzer, M.D.'s NPI number?

Lester Steven Kritzer, M.D.'s National Provider Identifier (NPI) is 1245206663, issued on Feb 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lester Steven Kritzer, M.D. located?

The NPPES record lists a practice address at 935 Main St, Manchester, CT, 06040. Phone: (860) 649-0233. Providers update this record themselves, so call before visiting.

How can I verify Lester Steven Kritzer, M.D.'s license?

NPPES lists Connecticut license number 022080, 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 Lester Steven Kritzer, M.D. prescribe under Medicare Part D?

In 2024, Lester Steven Kritzer, M.D. had 2,053 Medicare Part D claims for 412 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.