DR. ADAM JAN OLSZEWSKI (M.D.) – Hematology & Oncology Physician, NPI 1467436915
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
98 HEMATOLOGY/ONCOLOGY in RI
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Provider Addresses for DR. ADAM JAN OLSZEWSKI (M.D.)
Teriyaki Korean House, 150, Union Street, Downtown, Providence, Providence County, Rhode Island, 02902, United States
APT 617
PROVIDENCE, RI 029031796
Phone: (401) 429-3151
Fax: (401) 633-6550
Type: Mailing
Rhode Island Hospital, 593, Eddy Street, Downtown, Providence, Providence County, Rhode Island, 02903, United States
PROVIDENCE, RI 029034923
Phone: (401) 444-5435
Fax: (401) 444-8918
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 39 Open Payments records for all available years, with a total value of $29,087.
Total Amount is formed as General ($24,261) + Research ($4,827) + Ownership ($0) = $29,087.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: ADC Therapeutics America, Inc. ($12,992).
Total Amount
$29,087
General + Research + Ownership
Payments
39
Total payment records
General Amount
$24,261
General payments
Research Amount
$4,827
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ADC Therapeutics America, Inc. | $12,992 |
| F. Hoffmann-La Roche AG | $4,827 |
| Genmab U.S., Inc. | $3,831 |
| E.R. Squibb & Sons, L.L.C. | $2,789 |
| Ipsen Biopharmaceuticals, Inc | $2,720 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-09-21
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20060921000063 | I | Hematology/Oncology | RI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 191 | 90 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 81 | 40 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 71 | 56 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 15 | 11 | $0 |
Insurance plans in this area (ZIP 02903)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| E N D O C R I N O L O G Y | RI | |
| - | RI | |
| Internal Medicine | RI | |
| Pain Management | RI | |
| Gastroenterology, Pediatric Medicine | RI | |
| Internal Medicine | RI | |
| - | RI | |
| N E U R O L O G Y | RI | |
| - | RI | |
| Internal Medicine | IL |
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