NPPES file of Aug 9, 2026

Merrill Mathew

Forensic Psychiatry Physician · Stamford, CT

Merrill Mathew is a forensic psychiatry physician with a practice address in Stamford, Connecticut, and NPI 1982098463, issued on Mar 24, 2015. Check the license (Connecticut 62207, 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
1982098463
Name
Merrill Mathew
Primary taxonomy
Forensic Psychiatry Physician 2084F0202X
License number
62207 CT
Self-reported in NPPES; status is on the state search
Practice location
28 1St St, Stamford, CT 06905
Phone
(475) 323-4326
Enumerated
Mar 24, 2015
Record last updated
Jan 15, 2025
Fax
(475) 325-6217
Medicare enrollment
Enrolled (PECOS I20231226001198); accepts Medicare assignment
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 28 1St St

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

  1. Ilan Fogel, MDPsychiatry Physician1295115285
  2. Hassan Minhas, MDPsychiatry Physician1578874475
  3. Sonia Roitman, PH.D.Clinical Psychologist1659878411
  4. Valerie Warmflash, PH.D.Clinical Neuropsychologist1083026744

Verify Merrill Mathew in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 62207
    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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63% fewer Medicare Part D claims than the average forensic psychiatry physician in 2024

298 Medicare Part D claims for 43 beneficiaries, against an average of 803 among the 199 providers of this specialty who prescribed in Part D.

  1. Merrill Mathew298
  2. Specialty average803

Most prescribed

  1. Trazodone Hcl33 claims
  2. Zolpidem Tartrate22 claims
  3. Bupropion Xl16 claims
  4. Olanzapine16 claims
  5. Escitalopram Oxalate15 claims
  6. Gabapentin13 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.

Bills Medicare through one group practice

  1. Hartford Healthcare Medical Group Specialists PLLCWestport, CT

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

Forensic Psychiatry Physician providers in Connecticut

There are 11 forensic psychiatry physician records in Connecticut.

Other forensic psychiatry physician records in Connecticut

  1. Paul Amble, MDMiddletown, CT1942363189
  2. Walter Borden, M.D.West Hartford, CT1114050838
  3. Vinneth Carvalho, M.DNiantic, CT1215269725
  4. Haleh Ghanizadeh, M.D., M.P.H.Ridgefield, CT1619113446
  5. Nadia Gilbo, M.D.Middletown, CT1336534130
  6. Olalekan OlaoluMiddletown, CT1679052450
  7. Brenda Planck, M.D.Middletown, CT1417929068
  8. Rafik Sidaros, M.D.New Haven, CT1962758698
  9. Mohit Singh, M.D.New Haven, CT1841746369
  10. Howard Zonana, M.D.New Haven, CT1396839759

Common questions

What is Merrill Mathew's NPI number?

Merrill Mathew's National Provider Identifier (NPI) is 1982098463, issued on Mar 24, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Merrill Mathew located?

The NPPES record lists a practice address at 28 1St St, Stamford, CT, 06905. Phone: (475) 323-4326. Providers update this record themselves, so call before visiting.

How can I verify Merrill Mathew's license?

NPPES lists Connecticut license number 62207, 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 Merrill Mathew prescribe under Medicare Part D?

In 2024, Merrill Mathew had 298 Medicare Part D claims for 43 beneficiaries; the average among forensic psychiatry physician prescribers was 803. 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.