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Edit this profileAt a glance
- 515 Maple Valley Dr, Farmington, MO 63640
About Dr. Johnson
William D. Johnson, M.D. is a healthcare provider in Farmington, MO specializing in family practice. William trained at At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 1984. William is also listed as specializing in family medicine. According to Medicare claims data, William cared for 216 Medicare patients across 374 services. The services billed most often include hemoglobin a1c level, blood test, clotting time, and automated urinalysis test. This provider record is associated with NPI 1255371944.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (573) 760-7920
- Email not available
Practice Locations
515 MAPLE VALLEY DR
Farmington, MO 63640
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
- Acid reflux
- IBS
Genitourinary and reproductive
- Erectile dysfunction
- Heavy periods
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
- Acute bronchitis
- Asthma
- Sinus infection
Skin
Common childhood and ear conditions
- Ear infection
- Pink eye
Pain & Joints
- Arthritis
- Back pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
- Birth control counseling
- Smoking cessation counseling
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
- Breathing Treatment
Senior Care
- Cognitive Assessment
Sexual & Reproductive Health
- STD Swabs and Screening
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
374 services · 216 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
15 | Less often than most peers in Family Practice |
| X-ray of knee, 4 or more views | Imaging | 73564 |
13 | Less often than most peers in Family Practice |
| Hemoglobin a1c level | Lab test | 83036 |
154 | More often than most peers in Family Practice |
| Blood test, clotting time | Lab test | 85610 |
86 | As often as other peers in Family Practice |
| Automated urinalysis test | Lab test | 81003 |
62 | More often than most peers in Family Practice |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | Lab test | 87428 |
23 | As often as other peers in Family Practice |
| Blood count, hemoglobin | Lab test | 85018 |
21 | As often as other peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Farmington 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Other providers in the same specialty who trained at the same institution.
Class of 1984 at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in MO who bill this service to Medicare most often.
Common questions
What kind of doctor is William D. Johnson?
William D. Johnson is a family practice in Farmington, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is William D. Johnson's address?
William D. Johnson is listed at 515 Maple Valley Dr, Farmington, MO 63640. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with William D. Johnson?
The number on file is (573) 760-7920. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William D. Johnson's NPI number?
William D. Johnson's National Provider Identifier is 1255371944. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did William D. Johnson train?
William D. Johnson attended At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How long has William D. Johnson been practicing?
William D. Johnson has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What procedures does William D. Johnson perform?
According to Medicare billing data, William D. Johnson performs imaging including x-ray of chest, 2 views and x-ray of knee, 4 or more views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William D. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William D. Johnson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.