NPPES file of Aug 9, 2026

Merrilee Leonhardt, MD

Psychiatry Physician · Suffield, CT

Merrilee Leonhardt, MD is a psychiatry physician with a practice address in Suffield, Connecticut, and NPI 1144255316, issued on Jul 12, 2006. Check the license (Connecticut 029363, 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
1144255316
Name
Merrilee Leonhardt
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
029363 CT
71113 MA
114299 AK
52310 AZ
G143445 CA
and 9 more
Self-reported in NPPES; status is on the state search
Practice location
68 Bridge St, Suffield, CT 06078
Phone
(860) 254-5360
Enumerated
Jul 12, 2006
Record last updated
Oct 28, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
3064671 MA
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 68 Bridge St

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

  1. Scott Looney, PT, MSPhysical Therapist1346783768
  2. James NoonanMarriage & Family Therapist1609144245

Verify Merrilee Leonhardt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 029363
    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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95% fewer Medicare Part D claims than the average psychiatry physician in 2024

45 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Merrilee Leonhardt45
  2. Specialty average1,000

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.

Psychiatry Physician providers in Connecticut

There are 1,174 psychiatry physician records in Connecticut.

Other psychiatry physician records in Connecticut

  1. Enenge A'Bodjedi, MDStamford, CT1952310666
  2. Chadi Abdallah, M.D.West Haven, CT1851591820
  3. Sarah AbdallahNew Haven, CT1740800952
  4. Elie AbdelnourNew Haven, CT1790346070
  5. Yasmeen Abdul-KarimNew Haven, CT1609296292
  6. Jessica Abellard, PSYCHIATRISTNew Haven, CT1881906139
  7. Mariam Aboukar, D.O.New London, CT1013448620
  8. Irene Abramovich, M.D.West Hartford, CT1407864887
  9. Linus Abrams, M.D.Greenwich, CT1073675922
  10. Tia Maria Acosta, M.D.Willimantic, CT1679582167

Common questions

What is Merrilee Leonhardt, MD's NPI number?

Merrilee Leonhardt, MD's National Provider Identifier (NPI) is 1144255316, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Merrilee Leonhardt, MD located?

The NPPES record lists a practice address at 68 Bridge St, Suffield, CT, 06078. Phone: (860) 254-5360. Providers update this record themselves, so call before visiting.

How can I verify Merrilee Leonhardt, MD's license?

NPPES lists Connecticut license number 029363, 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 Merrilee Leonhardt, MD prescribe under Medicare Part D?

In 2024, Merrilee Leonhardt, MD had 45 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.