Steve Matthews, DO
NPI 1457938664 · Psychiatry Physician · Port Jefferson, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steve Matthews, DO is a Psychiatry Physician provider in Port Jefferson, NY (NPI 1457938664).
Provider details
- NPI number
- 1457938664
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 335000 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Aripiprazole | 24 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 23 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 19 |
| Quetiapine Fumarate | 17 |
| Olanzapine | 16 |
| Lamotrigine | 12 |
| Bupropion Hclbrand: Bupropion Xl | 11 |
| Duloxetine Hcl | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they include cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-24
- Last updated
- 2025-06-03
- Certified
- 2025-06-03
Frequently asked questions
- What is Steve Matthews's NPI number?
- Steve Matthews's National Provider Identifier (NPI) is 1457938664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steve Matthews's specialty?
- Steve Matthews is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Steve Matthews located?
- Steve Matthews's practice location on file with NPPES is 75 N Country Rd, Port Jefferson, NY 11777-2190.
- What is Steve Matthews's phone number?
- The practice phone number listed in the NPPES registry for Steve Matthews is (631) 686-2518.
- Does Steve Matthews accept Medicare?
- Steve Matthews is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steve Matthews's NPI active?
- Yes — Steve Matthews's NPI (1457938664) is active in the NPPES registry as of the last update on 2025-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.