Registry data as of Aug 27, 2026

Stephen Alloy, M.D.

Psychiatry Physician · Manchester, CT

Stephen Alloy, M.D. is a psychiatry physician with a practice address in Manchester, Connecticut, and NPI 1881662450, issued on Mar 9, 2006. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1881662450
Name
Stephen Alloy
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
Practice location
150 N Main St, Manchester, CT 06042
Phone
(860) 533-3434
Enumerated
Mar 9, 2006
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 150 N Main St

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

  1. Charlotte Abrams, LPCProfessional Counselor1700841376
  2. Mary Bade, OTR/LMental Health Counselor1619931615
  3. John Behling, LCSWClinical Social Worker1508820713
  4. Michelle Beverly, NPFamily Nurse Practitioner1811690183
  5. Michael Bond, D.M.D.General Practice Dentistry1508068826
  6. Christina Chykirda, LPCProfessional Counselor1922515055

Verify Stephen Alloy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

2.8 times the Medicare Part D claims of the average psychiatry physician in 2024

2,808 Medicare Part D claims for 302 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Stephen Alloy2,808
  2. Specialty average1,010

Most prescribed

  1. Clonazepam215 claims
  2. Lorazepam212 claims
  3. Trazodone Hcl171 claims
  4. Bupropion Xl153 claims
  5. Olanzapine132 claims
  6. Quetiapine Fumarate129 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.

One hospital or facility affiliation

  1. Prospect Manchester Hospital IncManchester, CT

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

20 psychiatry physician records list a Manchester practice address

They are 20 of the 2,184 NPPES records with a Manchester practice address, and 1,096 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. Jessica Abellard, PSYCHIATRISTNew Haven, CT1881906139
  6. Irene Abramovich, M.D.West Hartford, CT1407864887
  7. Linus Abrams, M.D.Greenwich, CT1073675922
  8. Tia Maria Acosta, M.D.Willimantic, CT1679582167
  9. Bellanirys Acosta Arias, MDNew Haven, CT1063040293
  10. Michael Adusei, M.D.Stamford, CT1043560287

Common questions

What is Stephen Alloy, M.D.'s NPI number?

Stephen Alloy, M.D.'s National Provider Identifier (NPI) is 1881662450, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Alloy, M.D. located?

The NPPES record lists a practice address at 150 N Main St, Manchester, CT, 06042. Phone: (860) 533-3434. Providers update this record themselves, so call before visiting.

How can I verify Stephen Alloy, M.D.'s license?

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 Stephen Alloy, M.D. prescribe under Medicare Part D?

In 2024, Stephen Alloy, M.D. had 2,808 Medicare Part D claims for 302 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.