Stephen L. Alloy, M.D.
Psychiatry Physician · Manchester, CT
Stephen L. 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 (Connecticut 21410, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Stephen L. Alloy
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 21410 CT
Self-reported in NPPES; status is on the state search - Practice location
- 150 N Main St, Manchester, CT 06042
- Phone
- (860) 533-3434
- Enumerated
- Mar 9, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20070530000369); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1976
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 150 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christina Chykirda, LPCProfessional Counselor1922515055
Verify Stephen L. Alloy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 21410Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Clonazepam215 claims
- Lorazepam212 claims
- Trazodone Hcl171 claims
- Bupropion Xl153 claims
- Olanzapine132 claims
- 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.
Bills Medicare through one group practice
- Prospect Manchester Hospital IncManchester, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen L. Alloy among 1,174 psychiatry physician records in Connecticut
Stephen L. Alloy, M.D. 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 fileYes · 43% of these records are
- Graduated1976 · median 2003 among the 503 with a school on file
- Record last updated2026 · 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).
18 psychiatry physician records list a practice address in Manchester
They are 18 of the 2,184 NPPES records with a practice address in Manchester, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in Manchester → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Hira Jain, M.D.Manchester, CT 060421447213491
- Irene Abramovich, M.D.West Hartford, CT 060401407864887
- Teodora Andrei, M.D.Manchester, CT 060401912065715
- Alejandra Arroyave, M.D.Manchester, CT 060401225266190
- Steven Atkins, M.D.Manchester, CT 060401487017638
- Nedson Campbell, M.D.Manchester, CT 060401366676470
- Michael Dewberry, MDManchester, CT 060401053574442
- Robert Lussier, M.D.Manchester, CT 060401497783518
Common questions
What is Stephen L. Alloy, M.D.'s NPI number?
Stephen L. 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 L. 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 L. Alloy, M.D.'s license?
NPPES lists Connecticut license number 21410, 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 Stephen L. Alloy, M.D. prescribe under Medicare Part D?
In 2024, Stephen L. Alloy, M.D. had 2,808 Medicare Part D claims for 302 beneficiaries; 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.