Aloysius Davis, M.D.
NPI 1528082799 · Psychiatry Physician · Longmeadow, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aloysius Davis, M.D. is a Psychiatry Physician provider in Longmeadow, MA (NPI 1528082799).
Provider details
- NPI number
- 1528082799
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 55333 (MA)
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
19 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
636 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 393 | $120 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 152 | $71 |
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 76 | $91 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 15 | $194 |
Typical Medicare-allowed amounts for these services range $71–$194 (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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 278 | 46 |
| Sertraline Hcl | 167 | 33 |
| Clonazepam | 97 | 18 |
| Lorazepam | 78 | 20 |
| Quetiapine Fumarate | 72 | 12 |
| Gabapentin | 70 | 23 |
| Trazodone Hcl | 65 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Aloysius Davis's NPI number?
- Aloysius Davis's National Provider Identifier (NPI) is 1528082799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aloysius Davis's specialty?
- Aloysius Davis is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Aloysius Davis located?
- Aloysius Davis's practice location on file with NPPES is 167 Dwight Rd, Longmeadow, MA 01106-1752.
- What is Aloysius Davis's phone number?
- The practice phone number listed in the NPPES registry for Aloysius Davis is (413) 567-6790.
- Does Aloysius Davis accept Medicare?
- Aloysius Davis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aloysius Davis's NPI active?
- Yes — Aloysius Davis's NPI (1528082799) 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.