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 Oshkosh Hematology & Oncology Physician, 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 |
Hospital affiliations
Frequently asked questions
What is Dr. Rami Abumasmah's medical specialty?
Dr. Rami Abumasmah practices Hematology & Oncology Physician in Oshkosh, WI.
Where does Dr. Rami Abumasmah practice?
Dr. Rami Abumasmah practices at 855 N Westhaven Dr, Oshkosh, WI 549047668. Office phone: 9204567870.
What is Dr. Rami Abumasmah's NPI?
Dr. Rami Abumasmah's National Provider Identifier (NPI) is 1972779551, issued by NPPES.
Does Dr. Rami Abumasmah accept Medicare assignment?
Yes. Dr. Rami Abumasmah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rami Abumasmah commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.