Najeff Waseem
NPI 1598119711 · Medical Oncology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Najeff Waseem is a Medical Oncology Physician provider in Baltimore, MD (NPI 1598119711).
Provider details
- NPI number
- 1598119711
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- D88602 (MD)
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
10 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
6,186 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,601 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 988 | $134 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 407 | $15 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 403 | $138 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 396 | $17 |
| Injection of Additional New Drug Or Substance Into Vein |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 84 | 27 |
| Abiraterone Acetate | 32 | — |
| Dexamethasone | 32 | 19 |
| Prednisone | 30 | — |
| Letrozole | 29 | — |
| Acyclovir | 29 | — |
| Rivaroxabanbrand: Xarelto | 28 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$39,081 across 129 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
- 2016-04-14
- Last updated
- 2021-09-16
- Certified
- 2021-09-16
Frequently asked questions
- What is Najeff Waseem's NPI number?
- Najeff Waseem's National Provider Identifier (NPI) is 1598119711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Najeff Waseem's specialty?
- Najeff Waseem is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Najeff Waseem located?
- Najeff Waseem's practice location on file with NPPES is 1650 Orleans St, Baltimore, MD 21287-0013.
- What is Najeff Waseem's phone number?
- The practice phone number listed in the NPPES registry for Najeff Waseem is (410) 955-5000.
- Does Najeff Waseem accept Medicare?
- Najeff Waseem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Najeff Waseem's NPI active?
- Yes — Najeff Waseem's NPI (1598119711) is active in the NPPES registry as of the last update on 2021-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.