William Johnson Jr.
- Medicare services, 2024
- 530
- Medicare patients, 2024
- 292
- Part D claims, 2024
- 436
- Hospital affiliations
- 4
- Industry payments
- $1,225
- Practice address
- 1350 S Hickory St, Melbourne, FL 32901
- Practice phone
- Call (321) 434-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Johnson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Johnson Jr. is a hospitalist in Melbourne, Florida
William Johnson practices at Holmes Regional Medical Center in Melbourne, Florida, part of Health First.
William Johnson's NPI, 1952835399, was assigned on April 12, 2017. William Johnson graduated from Florida State University College Of Medicine in 2017. William Johnson holds Florida license ME145322.
- NPI
- 1952835399NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264703073
- NPI enumeration date
- April 12, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (321) 434-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Johnson Jr. practices at Holmes Regional Medical Center in Melbourne, Florida
William Johnson's primary practice is Holmes Regional Medical Center, at 1350 S Hickory St, Melbourne, FL 32901 in Brevard County. The practice phone is (321) 434-7000.
- Holmes Regional Medical Center1350 S Hickory St, Melbourne, FL 32901 · Brevard CountyPhone(321) 434-7000
Source: Dmand AI Affiliation Data
William Johnson Jr. is affiliated with 4 sites of care and 1 medical group
William Johnson's primary practice is Holmes Regional Medical Center in Melbourne, Florida, part of Health First. William Johnson is also affiliated with Viera Hospital. The medical group on file is Health First Medical Group (Formerly Mima). Dmand AI also links William Johnson to 2 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Johnson Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Johnson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holmes Regional Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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William Johnson Jr. is one of 1,637 hospitalists in Florida
Hospitalist is William Johnson's primary specialty in the NPI Registry, under taxonomy code 208M00000X. William Johnson is board certified in internal medicine by the American Board of Internal Medicine. William Johnson is licensed in Florida.
Specialties and state licenses
- Hospitalist, FloridaPrimary
Clinical focus
Dmand AI lists acute diabetes, acute respiratory failure, acute stomach ulcer, atherosclerosis, cardiac arrhythmia, cellulitis, chest pain and circulation problems among the conditions William Johnson treats.
Hospitalists near William Johnson
Counts of hospitalists 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
William Johnson Jr. billed Medicare for 530 services in 2024
CMS data shows 530 Medicare services from William Johnson across 4 procedure codes in 2024, for 292 Medicare patients. Medicare paid $40,141 for them. Every service was in a facility, such as a hospital, rather than an office.
William Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5842024: 5309%
William Johnson compared with the Florida median for hospitalists, 2024
- William Johnson
- Florida median
- Medicare services
- 530vs 543Close to median
- Medicare patients
- 292vs 24320% above
- Part D claims
- 148vs 11232% above
Medians across 1,516 hospitalists in Florida with Dmand AI profiles that report each measure.
William 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for William Johnson and other hospitalists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
William Johnson Jr. treated 292 Medicare patients in 2024, average age 76
CMS counts 292 Medicare patients who saw William Johnson in 2024. The largest group is 75 to 84, with 116 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts William Johnson's median patient age at 75, with 53% women.
William Johnson's Medicare patients by age, 2024
William Johnson's Medicare patients by sex, 2024
- Women14249%
- Men15051%
Chronic conditions among William Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Ischemic heart disease53%
- Chronic kidney disease46%
- Heart failure45%
- COPD42%
- Diabetes42%
Share of Medicare patients with each condition. A patient can have several.
William 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 75
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Johnson Jr. wrote 436 Medicare Part D claims in 2024
In 2024, William Johnson wrote 436 Medicare Part D claims for 201 patients. 89% of them were for generic drugs. CMS names the drug for 148 of them, across 9 drugs with 11 or more claims each, at $9,523 in total drug cost. In 2023, CMS named 228 claims across 13 drugs.
William Johnson's Part D claims by kind of drug, 2024
- Generic387 claims89%
- Brand-name49 claims11%
William 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 William Johnson's Part D claims, 2024
- Opioids6%24 of 436 claims
- Antibiotics15%67 of 436 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: 2282024: 14835%
Drugs named by CMS: 9 in 2024, 13 in 2023.
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
How William Johnson Jr. takes part in Medicare
William Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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William Johnson Jr. received $1,225 in industry payments from 2021 to 2024
CMS Open Payments shows 33 general payments to William Johnson from 5 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $844.
General payments to William Johnson by program year, 2021 to 2024
Companies that paid William Johnson the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William Johnson Jr. graduated from Florida State University College Of Medicine
William Johnson graduated from Florida State University College Of Medicine in 2017.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
William Johnson Jr. accepts plans from 7 insurance carriers
William Johnson is in network with 7 carriers, including Excellus BlueCross BlueShield, United Healthcare and Aspirus Health Plan. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types William Johnson accepts, by number of carriers
- PPO4
- Medicare3
- POS3
- EPO2
- HMO2
Source: Dmand AI Insurance Network Data
Sources for William Johnson Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Johnson Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Johnson Jr.'s NPI number?
William Johnson Jr.'s NPI number is 1952835399. It was assigned on April 12, 2017, and it is active in the NPI Registry.
What does William Johnson Jr. specialize in?
William Johnson Jr. is a hospitalist in Melbourne, Florida. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does William Johnson Jr. practice?
William Johnson practices at 1350 S Hickory St, Melbourne, FL 32901. William Johnson's primary practice is Holmes Regional Medical Center in Melbourne, Florida, part of Health First. Dmand AI also links William Johnson to 2 hospitals.
What is William Johnson Jr.'s office phone number?
The practice phone on file for William Johnson is (321) 434-7000.
What is William Johnson Jr.'s medical license number?
William Johnson holds Florida license ME145322.
Which hospitals is William Johnson Jr. affiliated with?
William Johnson practices at Holmes Regional Medical Center in Melbourne, Florida. William Johnson is also affiliated with Viera Hospital. Dmand AI links William Johnson to 2 more hospitals.
What medical group is William Johnson Jr. part of?
William Johnson is linked to Health First Medical Group (Formerly Mima).
Does William Johnson Jr. accept Medicare?
Yes. CMS data shows William Johnson billed Medicare for 530 services in 2024, and William Johnson accepts Medicare assignment.
How many Medicare patients does William Johnson Jr. see?
CMS counts 292 Medicare patients who saw William Johnson in 2024, with an average age of 76.
Is William Johnson Jr. board certified?
Yes. William Johnson is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does William Johnson Jr. bill to Medicare?
In 2024, William Johnson's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99233).
Where did William Johnson Jr. go to medical school?
William Johnson graduated from Florida State University College Of Medicine in 2017.
What drugs does William Johnson Jr. prescribe most?
In 2024 Medicare Part D data, William Johnson's most prescribed drugs by claims were Prednisone, Atorvastatin Calcium and Metoprolol Tartrate.
Has William Johnson Jr. received payments from drug or device companies?
CMS Open Payments shows $1,225 in general payments to William Johnson from 5 companies from 2021 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has William Johnson Jr. been practicing?
William Johnson graduated from medical school in 2017, 9 years ago.
What insurance does William Johnson Jr. accept?
William Johnson is in network with 7 carriers, including Excellus BlueCross BlueShield, United Healthcare and Aspirus Health Plan. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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