WILLIAM D JOHNSON M.D.
NPI 1255371944
Family Medicine in Farmington, MO

Active since June 08, 2006PECOS EnrolledAccepts Medicare Assignment
92.57/100
CMS Quality Rating
515 MAPLE VALLEY DR, FARMINGTON, MO 63640(573) 760-7920(573) 756-9597 Get Directions Write a Review

NPPES record last updated: March 1, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 1, 2021, Jan 28, 2016 (2 updates tracked since 2016).

About William D Johnson M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM D JOHNSON M.D. (NPI 1255371944) is an individual family medicine provider in Farmington, Missouri, licensed in Missouri (R9E08) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Jefferson, and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (1984).

NPPES Registry Identity

NPI1255371944
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameWILLIAM D JOHNSONCredential: M.D.
Location Address515 MAPLE VALLEY DRFarmington, MO 63640-1919
Mailing AddressPo Box 801143Kansas City, MO 64180-1143 · (573) 331-5583 · Fax (573) 331-5079
Fax(573) 756-9597
Sole ProprietorNo
Medical School CMSAt Still University Of Health Sciences, College Of Osteo Med, KirksvilleGraduated 1984
Enumeration DateJune 8, 2006
Last NPPES UpdateMarch 1, 20212 updates tracked since enumeration
NPPES CertifiedMarch 1, 2021
NPI 1255371944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in MO · R9E08
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
515 MAPLE VALLEY DR, Farmington, MO 63640

Other Identifiers 1

Medicaid503111908MO

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

William D Johnson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315836327
PECOS Enrollment IDI20040315000960
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
154 services93 patients
Blood test, clotting time 85610
A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.
86 services11 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
62 services46 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
23 services22 patients
Blood count, hemoglobin 85018
A blood count, specifically hemoglobin, is a standard test that measures the amount of hemoglobin in your blood. Hemoglobin is a protein in red blood cells that carries oxygen throughout your body. This test helps assess your overall health and detect a variety of disorders such as anemia or polycythemia.
21 services17 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
15 services14 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital Jefferson

Acute Care Hospitals · Festus, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260023
Location1400 Us Highway 61Festus, MO 63028 · Jefferson County
Emergency services

Parkland Health Center

Acute Care Hospitals · Farmington, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260163
Location1101 W LibertyFarmington, MO 63640 · St. Francois County
Emergency services Birthing friendly

Saint Francis Medical Center

Acute Care Hospitals · Cape Girardeau, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260183
Location211 St Francis DrCape Girardeau, MO 63703 · Cape Girardeau County
Emergency services Birthing friendly

Madison Medical Center

Critical Access Hospitals · Fredericktown, MO
OwnershipVoluntary non-profit - Other
CMS Certification Number261302
Location611 W Main StFredericktown, MO 63645 · Madison County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63640 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.64 typical visit price
range $52.28 – $161.24
Typical copayment $20.41 (range $13.07 – $40.31)
Most-billed visit code 99203
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.03
Promoting Interoperability88
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 30

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
18 suppliers79 claims204 services$5.61 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
14 suppliers29 claims48 services$0.94 avg. paid by Medicare
Lubricant, individual sterile packet, each A4332
DME-Medical/Surgical Supplies · category DA000N
1 supplier11 claims1,620 services$0.11 avg. paid by Medicare
Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each A4352
DME-Orthotic Devices · category DF008N
1 supplier11 claims1,620 services$6.21 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
2 suppliers11 claims210 services$8.45 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
7 suppliers22 claims22 services$43.23 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
515 MAPLE VALLEY DR
FARMINGTON, MO 63640
Clinic/Center (Rural Health)
515 MAPLE VALLEY DR
FARMINGTON, MO 63640
Family Medicine
515 MAPLE VALLEY DR
FARMINGTON, MO 63640
Family Medicine
515 MAPLE VALLEY DR
FARMINGTON, MO 63640
Family Medicine
515 MAPLE VALLEY DR
FARMINGTON, MO 63640
Internal Medicine
515 MAPLE VALLEY DR
FARMINGTON, MO 63640
Nurse Practitioner (Family)
515 MAPLE VALLEY DR
FARMINGTON, MO 63640
Nurse Practitioner (Family)
515 MAPLE VALLEY DR
FARMINGTON, MO 63640

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Johnson's NPI number?

The NPI number for William Johnson is 1255371944. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Where is William Johnson located?

William Johnson practices at 515 Maple Valley Dr, Farmington, MO 63640. The listed phone number is (573) 760-7920.

What is William Johnson's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is William Johnson enrolled in Medicare?

Yes. William Johnson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Johnson accept?

Health plans from UnitedHealthcare list William Johnson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Johnson affiliated with any hospitals?

According to CMS data, William Johnson is affiliated with Mercy Hospital Jefferson, Parkland Health Center, Saint Francis Medical Center and Madison Medical Center.

When was this NPI record last updated?

The NPPES record for William Johnson was last updated on March 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.