Tirrell Johnson, MD
NPI 1518042415 · Medical Oncology Physician · Orlando, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tirrell Johnson, MD is a Medical Oncology Physician provider in Orlando, FL (NPI 1518042415).
Provider details
- NPI number
- 1518042415
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- LF24447 (RI)
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 tenure25% of score
19 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
732 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 437 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 53 | $109 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 40 | $169 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 39 | $168 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prochlorperazine Maleate | 224 | 117 |
| Ondansetron Hcl | 140 | 84 |
| Levothyroxine Sodium | 127 | 46 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 92 | 36 |
| Osimertinib Mesylatebrand: Tagrisso | 91 | 11 |
| Prednisone | 83 | 55 |
| Dexamethasone | 77 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$230 across 3 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
- 2006-10-26
- Last updated
- 2026-05-22
- Certified
- 2026-05-22
Frequently asked questions
- What is Tirrell Johnson's NPI number?
- Tirrell Johnson's National Provider Identifier (NPI) is 1518042415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tirrell Johnson's specialty?
- Tirrell Johnson is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Tirrell Johnson located?
- Tirrell Johnson's practice location on file with NPPES is 22 W Underwood St, Orlando, FL 32806-1110.
- What is Tirrell Johnson's phone number?
- The practice phone number listed in the NPPES registry for Tirrell Johnson is (407) 648-3800.
- Does Tirrell Johnson accept Medicare?
- Tirrell Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tirrell Johnson's NPI active?
- Yes — Tirrell Johnson's NPI (1518042415) is active in the NPPES registry as of the last update on 2026-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.