Doctor profile · Federal record
Dr. RAMI ABUMASMAH, MD
Hematology & Oncology Physician (CMS: HEMATOLOGY/ONCOLOGY) · Hematology & Oncology Physician · Medical Oncology Physician · Medical Oncology Physician · OSHKOSH, WI
- NPI 1972779551
- Accepts Medicare
- 29 yrs in practice
- Licensed in 4 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
855 N WESTHAVEN DR
OSHKOSH, WI 549047668
(920) 456-7870
fax (920) 456-7871 - Additional location
-
455 Toll Gate Rd
Warwick, RI 028862759
(401) 737-7000
fax (401) 736-4546 - Additional location
-
100 Fairfield Drive
Senaca, PA 16346
(814) 676-7900
fax (814) 676-7887 - Additional location
-
831 S Broadway
Minot, ND 587014636
(701) 857-3535
fax (701) 857-5171 - Mailing address
-
1005 BROADWAY ST
QUINCY, IL 623012834
Show 1 more location
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- September 23, 2025
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (4)
- Wisconsin #2457 · North Dakota #22871 · Missouri #2021025575 · Illinois #036154874
- Medicaid
- WI #100219972
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972779551. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
432
Distinct HCPCS
3
Medicare allowed
$39,711
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 315 | 197 | $94 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 83 | 70 | $64 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 34 | 26 | $139 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 144. This provider delivers 3.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
118
Patients
24
Total drug cost
$388,540
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 24 | 13 | $408 |
| Anastrozole | Generic | 19 | 0 | $629 |
| Eliquis (Apixaban) | Brand | 17 | 0 | $17,924 |
| Acyclovir | Generic | 12 | 0 | $199 |
| Prochlorperazine Maleate | Generic | 12 | 11 | $183 |
| Revlimid (Lenalidomide) | Brand | 12 | 0 | $200,848 |
| Brukinsa (Zanubrutinib) | Brand | 11 | 0 | $168,282 |
| Prednisone | Generic | 11 | 0 | $68 |