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Dr. William E. Johnson IV, MD
NPI1396763959PAC ID6507861713
- Medicare services, 2024
- 483
- Medicare patients, 2024
- 199
- Part D claims, 2024
- 304
- Publications
- 1
- MIPS score, 2024
- 97
- Practice address
- 2100 Stantonsburg Rd, Greenville, NC 27834
- Practice phone
- Call (252) 847-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. 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.
Dr. William E. Johnson IV is an internist in Greenville, North Carolina
Dr. Johnson practices at ECU Health Medical Center in Greenville, North Carolina, part of University Health Systems of Eastern Carolina.
Dr. Johnson's NPI, 1396763959, was assigned on July 18, 2006. Dr. Johnson graduated from Brody School of Medicine at East Carolina University in 2003. Dr. Johnson holds North Carolina license 200601046.
NPI and contact details
- NPI
- 1396763959NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507861713
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (252) 847-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William E. Johnson IV practices at ECU Health Medical Center in Greenville, North Carolina
Dr. Johnson's primary practice is ECU Health Medical Center, at 2100 Stantonsburg Rd, Greenville, NC 27834 in Pitt County. The practice phone is (252) 847-4100.
- ECU Health Medical Center2100 Stantonsburg Rd, Greenville, NC 27834 · Pitt CountyPhone(252) 847-4100
Source: Dmand AI Affiliation Data
Dr. William E. Johnson IV is affiliated with 1 site of care and 1 medical group
Dr. Johnson's primary practice is ECU Health Medical Center in Greenville, North Carolina, part of University Health Systems of Eastern Carolina. The medical group on file is ECU Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William E. Johnson IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ECU Health Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Johnson practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across University Health Systems of Eastern Carolina and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William E. Johnson IV is one of 3,705 internists in North Carolina
Internal medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Johnson is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
Internists near Dr. Johnson
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
3,705internists in North Carolina178internists in Greenville74internists at ECU Health Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William E. Johnson IV billed Medicare for 483 services in 2024
CMS data shows 483 Medicare services from Dr. Johnson across 4 procedure codes in 2024, for 199 Medicare patients. Medicare paid $36,946 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024483
Medicare patients199
Paid by Medicare$36,946
Procedure codes4
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5722024: 48316%
Dr. Johnson compared with the North Carolina median for internists, 2024
- Dr. Johnson
- North Carolina median
- Medicare services
- 483vs 5217% below
- Medicare patients
- 199vs 1858% above
- Part D claims
- 91vs 27267% below
Medians across 3,695 internists in North Carolina 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.
Need commercial claims for Dr. Johnson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other internists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William E. Johnson IV treated 199 Medicare patients in 2024, average age 76
CMS counts 199 Medicare patients who saw Dr. Johnson in 2024. The largest group is 75 to 84, with 77 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.45, 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 74, with 56% women.
Medicare patients, 2024199
Average age76
Average risk score2.45
Also on Medicaid19%
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women8543%
- Men11457%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease64%
- Arthritis62%
- Chronic kidney disease59%
- Heart failure58%
- Diabetes56%
- Mood disorders44%
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 74
Patient panel by sex, all payers
- Women56%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William E. Johnson IV wrote 304 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 304 Medicare Part D claims for 97 patients. 86% of them were for generic drugs. CMS names the drug for 91 of them, across 7 drugs with 11 or more claims each, at $7,425 in total drug cost. In 2023, CMS named 58 claims across 4 drugs.
Part D claims, 2024304
Drugs named by CMS7
Total drug cost$7,425
Part D patients97
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic262 claims86%
- Brand-name42 claims14%
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
- Opioids5%14 of 304 claims
- Antibiotics9%28 of 304 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: 582024: 9157%
Drugs named by CMS: 7 in 2024, 4 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
Dr. William E. Johnson IV scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Johnson for performance year 2024, reported through an alternative payment model (APM). Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Johnson's MIPS scores, performance year 2024
- 97of 100Final score
- 82.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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. William E. Johnson IV has 1 publication on record
Dmand AI links 1 paper to Dr. Johnson.
Papers1
Recent publications by Dr. Johnson
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 internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William E. Johnson IV received $4,253 in industry payments from 2016 to 2025
CMS Open Payments shows 260 general payments to Dr. Johnson from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $794.
General payments to Dr. Johnson by program year, 2016 to 2025
Companies that paid Dr. Johnson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William E. Johnson IV graduated from Brody School of Medicine at East Carolina University
Dr. Johnson graduated from Brody School of Medicine at East Carolina University in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William E. Johnson IV'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Dr. William E. Johnson IV
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. William E. Johnson IV's NPI number?
Dr. William E. Johnson IV's NPI number is 1396763959. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William E. Johnson IV?
Dr. William E. Johnson IV is an internist in Greenville, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William E. Johnson IV practice?
Dr. Johnson practices at 2100 Stantonsburg Rd, Greenville, NC 27834. Dr. Johnson's primary practice is ECU Health Medical Center in Greenville, North Carolina, part of University Health Systems of Eastern Carolina.
What is Dr. William E. Johnson IV's office phone number?
The practice phone on file for Dr. Johnson is (252) 847-4100.
What is Dr. William E. Johnson IV's medical license number?
Dr. Johnson holds North Carolina license 200601046.
Which hospitals is Dr. William E. Johnson IV affiliated with?
Dr. Johnson practices at ECU Health Medical Center in Greenville, North Carolina.
What medical group is Dr. William E. Johnson IV part of?
Dr. Johnson is linked to ECU Health.
Does Dr. William E. Johnson IV accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 483 services in 2024, and Dr. Johnson accepts Medicare assignment.
What is Dr. William E. Johnson IV's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. William E. Johnson IV see?
CMS counts 199 Medicare patients who saw Dr. Johnson in 2024, with an average age of 76.
Show 6 more questionsShow fewer questions
What services does Dr. William E. Johnson IV bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. William E. Johnson IV go to medical school?
Dr. Johnson graduated from Brody School of Medicine at East Carolina University in 2003.
What drugs does Dr. William E. Johnson IV prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Clopidogrel.
Has Dr. William E. Johnson IV received payments from drug or device companies?
CMS Open Payments shows $4,253 in general payments to Dr. Johnson from 36 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. William E. Johnson IV been practicing?
Dr. Johnson graduated from medical school in 2003, 23 years ago.
Does Dr. William E. Johnson IV do research?
Dmand AI links 1 publication to Dr. Johnson.
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