NPPES file of Aug 9, 2026

John Deleon, MD

Diagnostic Ultrasound Physician · Waterbury, CT

John Deleon, MD is a diagnostic ultrasound physician with a practice address in Waterbury, Connecticut, and NPI 1245297654, issued on Apr 28, 2006. Check the license (Connecticut 040870, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245297654
Name
John Deleon
Credential
MD
Primary taxonomy
Diagnostic Ultrasound Physician 2085U0001X
License number
040870 CT
Self-reported in NPPES; status is on the state search
Practice location
134 Grandview Ave, Waterbury, CT 06708
Phone
(203) 756-8911
Enumerated
Apr 28, 2006
Record last updated
Jul 13, 2026
Fax
(203) 574-0548
Medicare enrollment
Enrolled (PECOS I20060828000406); accepts Medicare assignment
Medical or professional school
City University Of New York School Of Medicine, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 134 Grandview Ave

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

  1. Kenneth Allen, MDDiagnostic Ultrasound Physician1528025913
  2. Thomas Anderson, M.D.Anatomic Pathology & Clinical Pathology Physician1063486496
  3. Daniel Baxter, P.A.Medical Physician Assistant1205144300
  4. Duncan Belcher, MDDiagnostic Ultrasound Physician1245295054
  5. Eleanor Berry, MDObstetrics & Gynecology Physician1558300343
  6. Alok Bhargava, M.D.Neurology with Special Qualifications in Child Neurology Physician1114980968

Verify John Deleon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 040870
    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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 2 group practices

  1. Diagnostic Radiology Associates LLCWaterbury, CT
  2. Valley Imaging Partners LLCWaterbury, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diagnostic Ultrasound Physician providers in Connecticut

There are 8 diagnostic ultrasound physician records in Connecticut.

The 7 diagnostic ultrasound physician records with the nearest ZIP codes

  1. Kenneth Allen, MDWaterbury, CT 067081528025913
  2. Duncan Belcher, MDWaterbury, CT 067081245295054
  3. Eric Hyson, MDWaterbury, CT 067081366409757
  4. Emil Danailov, MDPlymouth, CT 067821649787029
  5. Lynwood Hammers, M. D.New Haven, CT 065191932144714
  6. Ying-Sek Chan, MDSouthbury, CT 064881992739809
  7. John Notar-Francesco, MDEssex, CT 064261316928948

Common questions

What is John Deleon, MD's NPI number?

John Deleon, MD's National Provider Identifier (NPI) is 1245297654, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Deleon, MD located?

The NPPES record lists a practice address at 134 Grandview Ave, Waterbury, CT, 06708. Phone: (203) 756-8911. Providers update this record themselves, so call before visiting.

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

NPPES lists Connecticut license number 040870, 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.

What is John Deleon, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.