Dr. Tirrell T. Johnson, MD

  • Orlando, FL
  • Hematologist and oncologist
NPI1518042415PAC ID3870583453
Medicare services, 2024
732
Medicare patients, 2024
277
Part D claims, 2024
1,969
Publications
3
Clinical trials
1
Practice address
92 W Miller St, Orlando, FL 32806
Practice phone
Call (407) 650-5028
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Arnold Palmer Hospital for Children

Orlando, Florida

See all 9 affiliations

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Dr. Tirrell T. Johnson is a hematologist and oncologist in Orlando, Florida

Dr. Johnson practices at Arnold Palmer Hospital for Children in Orlando, Florida.

Dr. Johnson's NPI, 1518042415, was assigned on October 26, 2006. Dr. Johnson graduated from University Of Florida College Of Medicine in 2000. Dr. Johnson holds Florida license ME88326.

NPI and contact details
Medicare PAC ID
3870583453
NPI enumeration date
October 26, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(407) 650-5028
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
52
Medical school graduation
2000

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Tirrell T. Johnson practices at Arnold Palmer Hospital for Children in Orlando, Florida

Dr. Johnson's primary practice is Arnold Palmer Hospital for Children, at 92 W Miller St, Orlando, FL 32806 in Orange County. The practice phone is (407) 650-5028.

  • Arnold Palmer Hospital for Children
    92 W Miller St, Orlando, FL 32806 · Orange CountyPhone(407) 650-5028

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Tirrell T. Johnson is affiliated with 8 sites of care and 1 medical group

Dr. Johnson's primary practice is Arnold Palmer Hospital for Children in Orlando, Florida. Dr. Johnson is also affiliated with Orlando Regional Medical Center. The medical group on file is Orlando Health Medical Group. Dmand AI also links Dr. Johnson to 4 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 9 affiliations for Dr. Johnson

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Tirrell T. Johnson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Arnold Palmer Hospital for ChildrenAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Tirrell T. Johnson is one of 693 hematologists and oncologists in Florida

Hematology and oncology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Johnson is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Johnson's licenses on file in 2 states: Florida and Rhode Island.

Specialties and state licenses

  • Hematology and oncology, FloridaPrimaryLicense ME88326 · 2003 to 2027 · taxonomy 207RH0003X
  • Rhode Island licenseLicense LF24447 · 2005 to 2008

Clinical focus

Dmand AI lists chronic anemia, neck pain and spine problems and pleural effusion among the conditions Dr. Johnson treats.

Hematologists and oncologists near Dr. Johnson

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Tirrell T. Johnson billed Medicare for 732 services in 2024

CMS data shows 732 Medicare services from Dr. Johnson across 6 procedure codes in 2024, for 277 Medicare patients. Medicare paid $61,256 for them.

Medicare services, 2024732
Medicare patients277
Paid by Medicare$61,256
Procedure codes6

Dr. Johnson's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 6502024: 73213%

Where Dr. Johnson's Medicare services took place, 2024

  • In an office14820%
  • In a facility58480%

Dr. Johnson compared with the Florida median for hematologists and oncologists, 2024

  • Dr. Johnson
  • Florida median
Medicare services
732vs 6975% above
Medicare patients
277vs 21827% above
Part D claims
1,609vs 3414.7 times

Medians across 638 hematologists and oncologists in Florida with Dmand AI profiles that report each measure.

Dr. Johnson's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Johnson

Need commercial claims for Dr. Johnson?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other hematologists and oncologists in Florida.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Tirrell T. Johnson treated 277 Medicare patients in 2024, average age 75

CMS counts 277 Medicare patients who saw Dr. Johnson in 2024. The largest group is 75 to 84, with 123 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 72, with 39% women.

Medicare patients, 2024277
Average age75
Average risk score2.51
Also on Medicaid11%

Dr. Johnson's Medicare patients by age, 2024

Dr. Johnson's Medicare patients by sex, 2024

  • Women12043%
  • Men15757%

Chronic conditions among Dr. Johnson's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer52%
  4. Ischemic heart disease43%
  5. Arthritis39%
  6. Chronic kidney disease38%
  7. Anxiety30%
  8. COPD29%

Share of Medicare patients with each condition. A patient can have several.

Dr. Johnson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women39%
  • Men61%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Tirrell T. Johnson wrote 1,969 Medicare Part D claims in 2024

In 2024, Dr. Johnson wrote 1,969 Medicare Part D claims for 284 patients. 75% of them were for generic drugs. CMS names the drug for 1,609 of them, across 46 drugs with 11 or more claims each, at $4,134,731 in total drug cost. In 2023, CMS named 1,501 claims across 40 drugs.

Part D claims, 20241,969
Drugs named by CMS46
Total drug cost$4.1M
Part D patients284

Dr. Johnson's Part D claims by kind of drug, 2024

  • Generic1,470 claims75%
  • Brand-name499 claims25%

Dr. Johnson's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Johnson's Part D claims, 2024

  • Opioids10%198 of 1,969 claims
  • Antibiotics4%82 of 1,969 claims
  • Antipsychotics, patients 65 and over2%42 of 1,969 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,5012024: 1,6097%

Drugs named by CMS: 46 in 2024, 40 in 2023.

See all prescribing by Dr. Johnson

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Tirrell T. Johnson scored 80 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group. Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Johnson as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Johnson's MIPS scores, performance year 2024

  • 80of 100Final score
  • 61.2of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Tirrell T. Johnson has 3 publications on record

Dmand AI links 3 papers to Dr. Johnson, published from 2017 to 2024. Dr. Johnson's most frequent co-authors are David R. Camidge, MD, Jorge Luis Cusco, MD and Jhanelle E. Gray, MD.

Papers3
Years published2017 to 2024

Dr. Johnson's most frequent co-authors

Recent publications by Dr. Johnson

See all 3 publications and co-authors

See who Dr. Johnson researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Tirrell T. Johnson has worked on 1 clinical trial

Dmand AI links Dr. Johnson to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Solitary Fibrous Tumor, Pleural and Solitary Fibrous Tumors.

Conditions in Dr. Johnson's trials

  • Solitary Fibrous Tumor, Pleural
  • Solitary Fibrous Tumors

Investigators on the most trials with Dr. Johnson

Recent clinical trials with Dr. Johnson

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Tirrell T. Johnson received $3,375 in industry payments from 2016 to 2025

CMS Open Payments shows 28 general payments to Dr. Johnson from 10 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 54% of the total. Genentech, Inc. paid the most, $2,393.

General payments to Dr. Johnson by program year, 2016 to 2025

General payments to Dr. Johnson by kind, 2016 to 2025

$3.4Kin total
  • Travel and lodging$1,82554%
  • Food and beverage$1,51645%
  • Education$341%

Companies that paid Dr. Johnson the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Johnson

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Tirrell T. Johnson graduated from University Of Florida College Of Medicine

Dr. Johnson graduated from University Of Florida College Of Medicine in 2000. Dr. Johnson is a member of ASCO.

  1. Medical schoolUniversity Of Florida College Of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Tirrell T. Johnson accepts plans from 16 insurance carriers

Dr. Johnson is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Johnson accepts, by number of carriers

  1. PPO11
  2. Medicare10
  3. HMO9
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Tirrell T. Johnson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Tirrell T. Johnson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Tirrell T. Johnson's NPI number?

Dr. Tirrell T. Johnson's NPI number is 1518042415. It was assigned on October 26, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Tirrell T. Johnson?

Dr. Tirrell T. Johnson is a hematologist and oncologist in Orlando, Florida. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Tirrell T. Johnson practice?

Dr. Johnson practices at 92 W Miller St, Orlando, FL 32806. Dr. Johnson's primary practice is Arnold Palmer Hospital for Children in Orlando, Florida. Dmand AI also links Dr. Johnson to 4 hospitals, 1 group practice or clinic and 1 home health agency.

What is Dr. Tirrell T. Johnson's office phone number?

The practice phone on file for Dr. Johnson is (407) 650-5028.

What is Dr. Tirrell T. Johnson's medical license number?

Dr. Johnson holds Florida license ME88326, one of the licenses on file in 2 states.

Which states has Dr. Tirrell T. Johnson been licensed in?

Dmand AI has state licenses on file for Dr. Johnson in Florida (2003 to 2027) and Rhode Island (2005 to 2008).

Which hospitals is Dr. Tirrell T. Johnson affiliated with?

Dr. Johnson is affiliated with Orlando Regional Medical Center. Dmand AI links Dr. Johnson to 4 more hospitals.

What medical group is Dr. Tirrell T. Johnson part of?

Dr. Johnson is linked to Orlando Health Medical Group.

Does Dr. Tirrell T. Johnson accept Medicare?

Yes. CMS data shows Dr. Johnson billed Medicare for 732 services in 2024, and Dr. Johnson accepts Medicare assignment.

Does Dr. Tirrell T. Johnson offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Johnson as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Tirrell T. Johnson's MIPS score?

Dr. Johnson's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.

How many Medicare patients does Dr. Tirrell T. Johnson see?

CMS counts 277 Medicare patients who saw Dr. Johnson in 2024, with an average age of 75.

Is Dr. Tirrell T. Johnson board certified?

Yes. Dr. Johnson is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Tirrell T. Johnson bill to Medicare?

In 2024, Dr. Johnson's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and office visit, new patient (99205).

Where did Dr. Tirrell T. Johnson go to medical school?

Dr. Johnson graduated from University Of Florida College Of Medicine in 2000.

What drugs does Dr. Tirrell T. Johnson prescribe most?

In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Prochlorperazine Maleate, Ondansetron HCl and Levothyroxine Sodium.

Has Dr. Tirrell T. Johnson received payments from drug or device companies?

CMS Open Payments shows $3,375 in general payments to Dr. Johnson from 10 companies from 2016 to 2025. The largest total came from Genentech, Inc.

How long has Dr. Tirrell T. Johnson been practicing?

Dr. Johnson graduated from medical school in 2000, 26 years ago.

Does Dr. Tirrell T. Johnson do research?

Dmand AI links 3 publications to Dr. Johnson, published from 2017 to 2024. Dr. Johnson has worked on 1 clinical trial.

Who does Dr. Tirrell T. Johnson publish with?

Dr. Johnson's most frequent co-authors are David R. Camidge, MD (1 shared paper), Jorge Luis Cusco, MD (1 shared paper) and Jhanelle E. Gray, MD (1 shared paper).

What insurance does Dr. Tirrell T. Johnson accept?

Dr. Johnson is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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