Stephen Alloy, M.D.
NPI 1881662450 · Psychiatry Physician · Manchester, CT
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Alloy, M.D. is a Psychiatry Physician provider in Manchester, CT (NPI 1881662450).
Provider details
- NPI number
- 1881662450
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 21410 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
136 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 136 | $67 |
Typical Medicare-allowed amounts for these services range $67–$67 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 215 | 46 |
| Lorazepam | 212 | 41 |
| Trazodone Hcl | 171 | 43 |
| Bupropion Hclbrand: Bupropion Xl | 153 | 37 |
| Olanzapine | 132 | 21 |
| Quetiapine Fumarate | 129 | 23 |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Alloy's NPI number?
- Stephen Alloy's National Provider Identifier (NPI) is 1881662450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Alloy's specialty?
- Stephen Alloy is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Alloy located?
- Stephen Alloy's practice location on file with NPPES is 150 N Main St, Manchester, CT 06042-2003.
- What is Stephen Alloy's phone number?
- The practice phone number listed in the NPPES registry for Stephen Alloy is (860) 533-3434.
- Does Stephen Alloy accept Medicare?
- Stephen Alloy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Alloy's NPI active?
- Yes — Stephen Alloy's NPI (1881662450) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.