John Zubkus, MD
NPI 1518919000 · Hematology & Oncology Physician · Murfreesboro, TN
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Zubkus, MD is a Hematology & Oncology Physician provider in Murfreesboro, TN (NPI 1518919000).
Provider details
- NPI number
- 1518919000
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34138 (TN)
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
20 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
10,152 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 | 1,698 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,440 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,360 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 426 | $117 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 384 | $165 |
| Enhancing Oncology Model (eom) Monthly Enhanced Oncology Services (meos) Payment for Eom Enhanced ServicesM0010 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 103 | 29 |
| Lenalidomidebrand: Revlimid | 83 | — |
| Dexamethasone | 68 | 12 |
| Acyclovir | 54 | 12 |
| Enzalutamidebrand: Xtandi | 51 | — |
| Prochlorperazine Maleate | 43 | 33 |
| Venetoclaxbrand: Venclexta | 41 | — |
| Palbociclibbrand: Ibrance |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,694 across 71 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
- 2006-05-16
- Last updated
- 2012-01-31
Frequently asked questions
- What is John Zubkus's NPI number?
- John Zubkus's National Provider Identifier (NPI) is 1518919000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Zubkus's specialty?
- John Zubkus is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Zubkus located?
- John Zubkus's practice location on file with NPPES is 1840 Medical Center Pkwy, Murfreesboro, TN 37129-2564.
- What is John Zubkus's phone number?
- The practice phone number listed in the NPPES registry for John Zubkus is (615) 848-0488.
- Does John Zubkus accept Medicare?
- John Zubkus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Zubkus's NPI active?
- Yes — John Zubkus's NPI (1518919000) is active in the NPPES registry as of the last update on 2012-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.