NPPES file of Aug 9, 2026

Christian Leonardi, D.O.

Internal Medicine Physician · New Milford, CT

Christian Leonardi, D.O. is an internal medicine physician with a practice address in New Milford, Connecticut, and NPI 1134112824, issued on Aug 26, 2005. Check the license (Connecticut 45397, 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
1134112824
Name
Christian Leonardi
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
45397 CT
036111922 IL
Self-reported in NPPES; status is on the state search
Practice location
11 Old Park Lane, New Milford, CT 06776
Phone
(860) 355-1149
Enumerated
Aug 26, 2005
Record last updated
Sep 20, 2023
Fax
(860) 355-5957
Medicaid IDs
036111922 IL
008016289 CT
Medicare enrollment
Enrolled (PECOS I20071004000313); accepts Medicare assignment
Medical or professional school
University Of New England, College Of Osteo Medicine, 2000
Telehealth
Offers telehealth (CMS)
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 11 Old Park Lane

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

  1. Dimitri Ghecas, PA-CPhysician Assistant1174595490

Verify Christian Leonardi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 45397
    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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3.0 times the Medicare Part D claims of the average internal medicine physician in 2024

9,610 Medicare Part D claims for 857 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 129 claims were for opioids.

  1. Christian Leonardi9,610
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium904 claims
  2. Amlodipine Besylate601 claims
  3. Losartan Potassium582 claims
  4. Lisinopril376 claims
  5. Levothyroxine Sodium340 claims
  6. Rosuvastatin Calcium280 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).

Bills Medicare through one group practice

  1. New Milford Medical Group, LLCNew Milford, CT

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

Christian Leonardi among 2,623 internal medicine physician records in Connecticut

Christian Leonardi, D.O. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2000 · median 2004 among the 1,646 with a school on file
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 internal medicine physician records list a practice address in New Milford

They are 14 of the 332 NPPES records with a practice address in New Milford, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Naim Ahmed, DONew Milford, CT 067761942869474
  2. Dmitry Albin, M.D.New Milford, CT 067761295906345
  3. Alan Braverman, M.D.New Milford, CT 067761093766321
  4. Morris Clark, M.D.New Milford, CT 067761760434989
  5. Alfred Cretella, M.D.New Milford, CT 067761881645976
  6. Harold Kamm, M.D.New Milford, CT 067761285612051
  7. Doreen Konik, M.D.New Milford, CT 067761205808417
  8. Kenneth Marici, MDNew Milford, CT 067761568414993

Common questions

What is Christian Leonardi, D.O.'s NPI number?

Christian Leonardi, D.O.'s National Provider Identifier (NPI) is 1134112824, issued on Aug 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Christian Leonardi, D.O. located?

The NPPES record lists a practice address at 11 Old Park Lane, New Milford, CT, 06776. Phone: (860) 355-1149. Providers update this record themselves, so call before visiting.

How can I verify Christian Leonardi, D.O.'s license?

NPPES lists Connecticut license number 45397, 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 Christian Leonardi, D.O. prescribe under Medicare Part D?

In 2024, Christian Leonardi, D.O. had 9,610 Medicare Part D claims for 857 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Christian Leonardi, D.O.'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.