Dr. William D. Johnson, MD
- Medicare services, 2024
- 374
- Medicare patients, 2024
- 191
- Part D claims, 2024
- 29,863
- MIPS score, 2024
- 67
- Hospital affiliations
- 4
- Practice address
- 1025 W Main St, Festus, MO 63028
- Practice phone
- Call (573) 431-1947
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Francois County Health Center
Primary care practice · Festus, Missouri
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 D. Johnson is a family medicine physician in Park Hills, Missouri
Dr. Johnson practices at St Francois County Health Center in Festus, Missouri.
Dr. Johnson's NPI, 1255371944, was assigned on June 8, 2006. Dr. Johnson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1984. Dr. Johnson holds Missouri license R9E08.
- NPI
- 1255371944NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315836327
- NPI enumeration date
- June 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 431-1947
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William D. Johnson practices at St Francois County Health Center in Festus, Missouri
Dr. Johnson's primary practice is St Francois County Health Center, at 1025 W Main St, Festus, MO 63028. The practice phone is (573) 431-1947.
- St Francois County Health Center1025 W Main St, Festus, MO 63028Phone(573) 431-1947
Source: Dmand AI Affiliation Data
Dr. William D. Johnson is affiliated with 13 sites of care and 2 medical groups
Dr. Johnson's primary practice is St Francois County Health Center in Festus, Missouri. Dr. Johnson is also affiliated with Saint Francis Medical Center. The medical group on file is St. Francois County Health Center. Dmand AI also links Dr. Johnson to 3 more hospitals, 4 home health agencies, 2 hospices, 1 rural health clinic, 1 skilled nursing facility and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William D. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Francois County Health Center | Available with a free account |
| +12 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William D. Johnson is one of 2,412 family medicine physicians in Missouri
Family medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Johnson is licensed in Missouri.
Specialties and state licenses
- Family medicine, MissouriPrimary
Family medicine physicians near Dr. Johnson
Counts of family medicine physicians 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. William D. Johnson billed Medicare for 374 services in 2024
CMS data shows 374 Medicare services from Dr. Johnson across 7 procedure codes in 2024, for 191 Medicare patients. Medicare paid $4,148 for them. Every service was in an office.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 3832024: 34610%
- Imaging
- 2023: 362024: 2822%
Dr. Johnson compared with the Missouri median for family medicine physicians, 2024
- Dr. Johnson
- Missouri median
- Medicare services
- 374vs 33312% above
- Medicare patients
- 191vs 15622% above
- Part D claims
- 28,944vs 1,23123.5 times
Medians across 2,555 family medicine physicians in Missouri 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other family medicine physicians in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William D. Johnson treated 191 Medicare patients in 2024, average age 75
CMS counts 191 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 83 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 71, with 59% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women10957%
- Men8243%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Diabetes53%
- Arthritis50%
- Ischemic heart disease34%
- Chronic kidney disease26%
- COPD25%
- Heart failure24%
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 71
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William D. Johnson wrote 29,863 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 29,863 Medicare Part D claims for 1,006 patients. 83% of them were for generic drugs. CMS names the drug for 28,944 of them, across 291 drugs with 11 or more claims each, at $2,607,238 in total drug cost. In 2023, CMS named 24,801 claims across 272 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic24,724 claims83%
- Brand-name4,888 claims16%
- Other251 claims1%
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%1,512 of 29,863 claims
- Antibiotics1%336 of 29,863 claims
- Antipsychotics, patients 65 and over1%333 of 29,863 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: 24,8012024: 28,94417%
Drugs named by CMS: 291 in 2024, 272 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 D. Johnson scored 67 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 67 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
- 67of 100Final score
- 85.4of 100Quality
- 0of 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 D. Johnson received $10,628 in industry payments from 2016 to 2024
CMS Open Payments shows 925 general payments to Dr. Johnson from 46 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Pfizer Inc. paid the most, $1,327.
General payments to Dr. Johnson by program year, 2016 to 2024
General payments to Dr. Johnson by kind, 2016 to 2024
- Food and beverage$10,49199%
- Education$1381%
Companies that paid Dr. Johnson the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William D. Johnson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville
Dr. Johnson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William D. Johnson'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 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) |
| 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 D. 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. William D. Johnson's NPI number?
Dr. William D. Johnson's NPI number is 1255371944. It was assigned on June 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William D. Johnson?
Dr. William D. Johnson is a family medicine physician in Park Hills, Missouri. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. William D. Johnson practice?
Dr. Johnson practices at 1025 W Main St, Festus, MO 63028. Dr. Johnson's primary practice is St Francois County Health Center in Festus, Missouri. Dmand AI also links Dr. Johnson to 3 hospitals, 4 home health agencies, 2 hospices, 1 rural health clinic, 1 skilled nursing facility and 1 medical group.
What is Dr. William D. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (573) 431-1947.
What is Dr. William D. Johnson's medical license number?
Dr. Johnson holds Missouri license R9E08.
Which hospitals is Dr. William D. Johnson affiliated with?
Dr. Johnson is affiliated with Saint Francis Medical Center. Dmand AI links Dr. Johnson to 3 more hospitals.
What medical group is Dr. William D. Johnson part of?
Dr. Johnson is linked to St. Francois County Health Center. Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. William D. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 374 services in 2024, and Dr. Johnson accepts Medicare assignment.
What is Dr. William D. Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 67 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. William D. Johnson see?
CMS counts 191 Medicare patients who saw Dr. Johnson in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. William D. Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were lab and pathology test (83036), lab and pathology test (85610) and lab and pathology test (81003).
Where did Dr. William D. Johnson go to medical school?
Dr. Johnson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1984.
What drugs does Dr. William D. Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Pantoprazole Sodium.
Has Dr. William D. Johnson received payments from drug or device companies?
CMS Open Payments shows $10,628 in general payments to Dr. Johnson from 46 companies from 2016 to 2024. The largest total came from Pfizer Inc.
How long has Dr. William D. Johnson been practicing?
Dr. Johnson graduated from medical school in 1984, 42 years ago.
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