Rami Abumasmah, MD
NPI 1972779551 · Hematology & Oncology Physician · Oshkosh, WI
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rami Abumasmah, MD is a Hematology & Oncology Physician provider in Oshkosh, WI (NPI 1972779551).
Provider details
- NPI number
- 1972779551
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 22871 (ND)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
446 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 353 | $93 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $63 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 46 | $139 |
Typical Medicare-allowed amounts for these services range $63–$139 (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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 45 | 21 |
| Abiraterone Acetate | 43 | — |
| Hydroxyurea | 26 | 11 |
| Lenalidomide | 25 | — |
| Prednisone | 21 | — |
| Acyclovir | 20 | — |
| Acalabrutinib Maleatebrand: Calquence | 19 | — |
| Folic Acid | 18 | — |
Practice location
Mailing address
Additional practice locations (3)
- 831 S BroadwayMinot, ND 58701-4636Phone: (701) 857-3535Fax: (701) 857-5171
- 100 Fairfield DriveSenaca, PA 16346Phone: (814) 676-7900Fax: (814) 676-7887
- 455 Toll Gate RdWarwick, RI 02886-2759Phone: (401) 737-7000Fax: (401) 736-4546
Registry dates
- Enumerated
- 2008-05-05
- Last updated
- 2025-09-23
- Certified
- 2025-09-23
Frequently asked questions
- What is Rami Abumasmah's NPI number?
- Rami Abumasmah's National Provider Identifier (NPI) is 1972779551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rami Abumasmah's specialty?
- Rami Abumasmah is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Rami Abumasmah located?
- Rami Abumasmah's practice location on file with NPPES is 855 N Westhaven Dr, Oshkosh, WI 54904-7668.
- What is Rami Abumasmah's phone number?
- The practice phone number listed in the NPPES registry for Rami Abumasmah is (920) 456-7870.
- Does Rami Abumasmah accept Medicare?
- Rami Abumasmah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rami Abumasmah's NPI active?
- Yes — Rami Abumasmah's NPI (1972779551) is active in the NPPES registry as of the last update on 2025-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.