NPPES file of Aug 9, 2026

Kay L. Cowan, MD

Psychiatry Physician · Westport, CT

Kay L. Cowan, MD is a psychiatry physician with a practice address in Westport, Connecticut, and NPI 1003980301, issued on Nov 20, 2006. Check the license (Connecticut CT037137, 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
1003980301
Name
Kay L. Cowan
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
CT037137 CT
Self-reported in NPPES; status is on the state search
Practice location
19 Compo RD S, Westport, CT 06880
Phone
(203) 454-1520
Enumerated
Nov 20, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 19 Compo RD S

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

  1. Cornelia Gallo, MDChild & Adolescent Psychiatry Physician1023211653
  2. Shari GoldsteinClinical Psychologist1770071060
  3. Neil Patel, D.C.Chiropractor1518407469
  4. Cindy Scope, PH.D.Clinical Child & Adolescent Psychologist1003395294

Verify Kay L. Cowan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license CT037137
    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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93% fewer Medicare Part D claims than the average psychiatry physician in 2024

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

  1. Kay Cowan73
  2. Specialty average1,000

Most prescribed

  1. Bupropion Xl12 claims
  2. Desvenlafaxine Succinate Er12 claims
  3. Zolpidem Tartrate12 claims
  4. Alprazolam11 claims
  5. Methylphenidate Er11 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.

Kay L. Cowan among 1,174 psychiatry physician records in Connecticut

Kay L. Cowan, MD is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 60% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 psychiatry physician records list a practice address in Westport

They are 38 of the 886 NPPES records with a practice address in Westport, and 1,174 psychiatry physician records in Connecticut.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Jill Barron, M.D.Westport, CT 068801346260015
  2. Mohamed Elsamra, M.D.Westport, CT 068801457464406
  3. Jacques Germain, M.D.Westport, CT 068801427122688
  4. Jonathan Horowitz, M.D.Westport, CT 068801174500185
  5. Stewart Levine, MDWestport, CT 068801356350169
  6. Mikhail Magid, M.D.Westport, CT 068801528132685
  7. John Moore, M.D.Westport, CT 068801578626214
  8. Farin Nejad, M.D.Westport, CT 068801265501118

Common questions

What is Kay L. Cowan, MD's NPI number?

Kay L. Cowan, MD's National Provider Identifier (NPI) is 1003980301, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kay L. Cowan, MD located?

The NPPES record lists a practice address at 19 Compo RD S, Westport, CT, 06880. Phone: (203) 454-1520. Providers update this record themselves, so call before visiting.

How can I verify Kay L. Cowan, MD's license?

NPPES lists Connecticut license number CT037137, 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 Kay L. Cowan, MD prescribe under Medicare Part D?

In 2024, Kay L. Cowan, MD had 73 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.