Jamie Olschewski, MD
NPI 1245790468 · Psychiatry Physician · Port Jefferson, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jamie Olschewski, MD is a Psychiatry Physician provider in Port Jefferson, NY (NPI 1245790468).
Provider details
- NPI number
- 1245790468
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA11810600 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
323 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 262 | $50 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 39 | $81 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 22 | $175 |
Typical Medicare-allowed amounts for these services range $50–$175 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Risperidone | 38 | 19 |
| Trazodone Hcl | 24 | 15 |
| Olanzapine | 22 | 13 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 16 | — |
| Oxcarbazepine | 15 | — |
| Quetiapine Fumarate | 15 | — |
| Topiramate | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$395 across 22 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-22
- Last updated
- 2023-10-25
- Certified
- 2023-10-25
Frequently asked questions
- What is Jamie Olschewski's NPI number?
- Jamie Olschewski's National Provider Identifier (NPI) is 1245790468, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jamie Olschewski's specialty?
- Jamie Olschewski is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jamie Olschewski located?
- Jamie Olschewski's practice location on file with NPPES is 75 N Country Rd, Port Jefferson, NY 11777-2190.
- What is Jamie Olschewski's phone number?
- The practice phone number listed in the NPPES registry for Jamie Olschewski is (631) 473-1320.
- Does Jamie Olschewski accept Medicare?
- Jamie Olschewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jamie Olschewski's NPI active?
- Yes — Jamie Olschewski's NPI (1245790468) is active in the NPPES registry as of the last update on 2023-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.