Gwendolyn Lizette Lopez-Cohen, M.D.
Child & Adolescent Psychiatry Physician · Westport, CT
Gwendolyn Lizette Lopez-Cohen, M.D. is a child & adolescent psychiatry physician with a practice address in Westport, Connecticut, and NPI 1770782476, issued on Jul 12, 2007. Check the license (Connecticut 047160, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gwendolyn Lizette Lopez-Cohen
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License numbers
- 047160 CT
239116 NY
Self-reported in NPPES; status is on the state search - Practice location
- 64 Post RD W, Westport, CT 06880
- Phone
- (203) 226-2360
- Enumerated
- Jul 12, 2007
- Record last updated
- Jan 13, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (203) 286-1670
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 225 in Connecticut → Look up another NPI →
Also registered at 64 Post RD W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Dieterich, PH.D.Psychologist1184642811
- Martin Klein, PH.D.Clinical Psychologist1902820871
- Tara Levinson, PHDPsychologist1326731092
- Lara Singer, PSY.D.Clinical Psychologist1760151252
Verify Gwendolyn Lizette Lopez-Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 047160Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
27 Medicare Part D claims, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Fluoxetine Hcl12 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.
Gwendolyn Lizette Lopez-Cohen among 225 child & adolescent psychiatry physician records in Connecticut
Gwendolyn Lizette Lopez-Cohen, M.D. is one of 225 child & adolescent psychiatry physician records with a practice address in Connecticut. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 28% of them.
- NPI issued2007 · 28% of these records are older, 46% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 24% of these records are
- Record last updated2016 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 child & adolescent psychiatry physician records list a practice address in Westport
They are 13 of the 886 NPPES records with a practice address in Westport, and 225 child & adolescent psychiatry physician records in Connecticut.
All 225 in Connecticut → Every provider in Westport → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Tamela Amiri, M.D.Westport, CT 068801275780777
- Adena Blickstein, MDWestport, CT 068801619324092
- Melissa Bonasera, MDWestport, CT 068801669657086
- Rebecca Fein, M.D.Westport, CT 068801760879837
- Susan Finkelstein, M.D.Westport, CT 068801649423567
- Cornelia Gallo, MDWestport, CT 068801023211653
- Karen Hotchkiss, M.D.Westport, CT 068801851542708
- Ilana Karpenos, MDWestport, CT 068801578738787
Common questions
What is Gwendolyn Lizette Lopez-Cohen, M.D.'s NPI number?
Gwendolyn Lizette Lopez-Cohen, M.D.'s National Provider Identifier (NPI) is 1770782476, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gwendolyn Lizette Lopez-Cohen, M.D. located?
The NPPES record lists a practice address at 64 Post RD W, Westport, CT, 06880. Phone: (203) 226-2360. Providers update this record themselves, so call before visiting.
How can I verify Gwendolyn Lizette Lopez-Cohen, M.D.'s license?
NPPES lists Connecticut license number 047160, 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 Gwendolyn Lizette Lopez-Cohen, M.D. prescribe under Medicare Part D?
In 2024, Gwendolyn Lizette Lopez-Cohen, M.D. had 27 Medicare Part D claims; the average among child & adolescent psychiatry physician prescribers was 504. 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.