JOHN M WILLIS DO
NPI 1205891207
Internal Medicine in Mansfield, TX

Active since April 20, 2006PECOS EnrolledAccepts Medicare Assignment
252 MATLOCK RD STE 130, MANSFIELD, TX 76063(682) 242-8990(682) 242-8996 Get Directions Write a Review

NPPES record last updated: March 23, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John M Willis Do NPPES

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

JOHN M WILLIS DO (NPI 1205891207) is an individual internal medicine provider in Mansfield, Texas, licensed in Texas (J0366) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Methodist Mansfield Medical Center, and maintains a secondary practice location in Mansfield.

NPPES Registry Identity

NPI1205891207
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN M WILLISCredential: DO
Location Address252 MATLOCK RD STE 130Mansfield, TX 76063-4295
Mailing Address252 Matlock Rd Ste 130Mansfield, TX 76063-4295 · (682) 242-8990 · Fax (682) 242-8996
Fax(682) 242-8996
Sole ProprietorNo
Medical School CMSUniversity Of North Texas Hsc, College Of Osteopathic MedGraduated 1990
Enumeration DateApril 20, 2006
Last NPPES UpdateMarch 23, 2022
NPPES CertifiedMarch 23, 2022
NPI 1205891207 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · J0366
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
252 MATLOCK RD STE 130, Mansfield, TX 76063

Secondary Practice Location 1

Location 12800 E Broad St Ste 512Mansfield, TX 76063-6417 · Phone (817) 473-6867 · Fax (817) 453-0954

Other Identifiers 2

Medicaid129827510TX
Other8X9688TX · Blue Cross

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

John M Willis Do 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 ID9133210032
PECOS Enrollment IDI20070807000557
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 10

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
322 services167 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
267 services142 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
52 services50 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
48 services46 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
19 services19 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
19 services19 patients

Hospital Affiliations CMS Care Compare

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

Methodist Mansfield Medical Center

Acute Care Hospitals · Mansfield, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670023
Location2700 E Broad StreetMansfield, TX 76063 · Tarrant County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76063 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
$129.63 typical visit price
range $56.47 – $171.07
Typical copayment $32.40 (range $14.11 – $42.76)
Most-billed visit code 99204
Established Patient
$99.68 typical visit price
range $18.18 – $139.68
Typical copayment $24.92 (range $4.54 – $34.92)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

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
11 suppliers27 claims68 services$6.71 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers23 claims23 services$198.37 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 3

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

Internal Medicine
252 MATLOCK RD STE 130
MANSFIELD, TX 76063
Nurse Practitioner (Family)
252 MATLOCK RD STE 130
MANSFIELD, TX 76063
Family Medicine
252 MATLOCK RD STE 130
MANSFIELD, TX 76063

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 John Willis's NPI number?

The NPI number for John Willis is 1205891207. It was assigned to this individual provider in the NPPES registry on April 20, 2006.

Where is John Willis located?

John Willis practices at 252 Matlock Rd Ste 130, Mansfield, TX 76063. The listed phone number is (682) 242-8990.

What is John Willis's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is John Willis enrolled in Medicare?

Yes. John Willis 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 John Willis accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 7 other insurers list John Willis 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 John Willis affiliated with any hospitals?

According to CMS data, John Willis is affiliated with Methodist Mansfield Medical Center.

When was this NPI record last updated?

The NPPES record for John Willis was last updated on March 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.