Registry data as of Aug 27, 2026

John Machledt, MD

Endocrinology, Diabetes & Metabolism Physician · Fairfield, CT

John Machledt, MD is an endocrinology, diabetes & metabolism physician with a practice address in Fairfield, Connecticut, and NPI 1154429413, issued on Sep 20, 2006. Check the license (Connecticut 17242, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1154429413
Name
John Machledt
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
17242 CT
Self-reported in NPPES; status is on the state search
Practice location
52 Beach Road, Fairfield, CT 06824
Phone
(203) 259-7871
Enumerated
Sep 20, 2006
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 52 Beach Road

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

  1. Subhash Chaddha, MDPediatric Adolescent Medicine Physician1689742488
  2. Nirmala Monteiro, MDInternal Medicine Physician1558346338

Verify John Machledt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 17242
    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.

Endocrinology, Diabetes & Metabolism Physician providers in Connecticut

There are 166 endocrinology, diabetes & metabolism physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other endocrinology, diabetes & metabolism physician records in Connecticut

  1. Fadi Al-Khayer, MDStorrs, CT1861477069
  2. Vivek Alaigh, MDStamford, CT1740675818
  3. Kenda Alkwatli, MDWethersfield, CT1063075901
  4. Ipek Alpertunga, MDHartford, CT1386166452
  5. Helen Anaedo, M.DPlainville, CT1164717021
  6. Neelum AnwaarNorwalk, CT1336670041
  7. Mary Arden-Cordone, M.D.,Greenwich, CT1649318585
  8. Andrew Arnold, MDFarmington, CT1003812520
  9. Maria Cecilia Asnis, M.D.Stamford, CT1437475688
  10. Ela Banerjee, MDNew Britain, CT1861856312

Common questions

What is John Machledt, MD's NPI number?

John Machledt, MD's National Provider Identifier (NPI) is 1154429413, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Machledt, MD located?

The NPPES record lists a practice address at 52 Beach Road, Fairfield, CT, 06824. Phone: (203) 259-7871. Providers update this record themselves, so call before visiting.

How can I verify John Machledt, MD's license?

NPPES lists Connecticut license number 17242, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.