DR. WILLIAM JOHN WARREN DPM
NPI 1861578965
Podiatrist - Foot & Ankle Surgery in Mineral Wells, TX

Q: What is William Warren's NPI number?

The NPI number for William Warren is 1861578965. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Q: What is William Warren's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Q: When was this NPI record last updated?

The NPPES record for William Warren was last updated on September 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since October 31, 2006PECOS EnrolledAccepts Medicare Assignment

94.89/100

CMS Quality Rating

202 SW 25TH AVE STE 500, MINERAL WELLS, TX 76067(940) 325-3330(855) 227-8403 Get Directions Write a Review

NPPES record last updated: September 20, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. William John Warren Dpm NPPES

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

DR. WILLIAM JOHN WARREN DPM (NPI 1861578965) is an individual foot & ankle surgery provider in Mineral Wells, Texas, licensed in Texas (1689) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Texas Health Harris Methodist Hospital Stephenvill, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1861578965

Entity TypeIndividualMale

Primary Taxonomy213ES0103X

Provider Legal NameDR. WILLIAM JOHN WARRENCredential: DPM

Location Address202 SW 25TH AVE STE 500Mineral Wells, TX 76067-8403

Mailing AddressP.o. Box 961205Fort Worth, TX 76161-1205 · (817) 740-8450

Phone(940) 325-3330

Fax(855) 227-8403

Sole ProprietorNo

Medical School CMSOtherGraduated 2002

Enumeration DateOctober 31, 2006

Last NPPES UpdateSeptember 20, 2019

✔ NPI 1861578965 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPodiatrist · Foot & Ankle SurgeryPodiatric Medicine & Surgery Service Providers

Taxonomy Code213ES0103X

License✔ Licensed in TX · 1689

202 SW 25TH AVE STE 500, Mineral Wells, TX 76067

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William John Warren Dpm 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 ID648238477

PECOS Enrollment IDI20041228000189

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.

Medicare Billing Reassignment

Medicare enrollment records show William Warren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Texas Health Care, P.L.L.C.

2.5 mi

Ophthalmology

1100 SE 1ST ST, SUITE A
Mineral Wells, TX 76067

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: Texas Health Care PLLC
511 clinicians in this Medicare group

NPI 1083770325 (940) 325-7700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

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.

780 services436 patients

Removal of fingernails or toenails, 6 or more nails 11721

This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.

404 services147 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

270 services270 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.

98 services73 patients

Injection into tendon or ligament 20550

An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.

88 services43 patients

Injection, methylprednisolone acetate, 40 mg J1030

Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.

48 services28 patients

Permanent removal fingernail or toenail 11750

Permanent removal of a fingernail or toenail, also known as avulsion, is a procedure performed to treat nail infections or severe ingrown nails. The nail is carefully removed under local anesthesia. After removal, a chemical is applied to prevent nail regrowth, ensuring the issue does not recur.

46 services33 patients

Removal of fingernails or toenails, 6 or more nails 11721

29 services17 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

28 services28 patients

Injection of anesthetic and/or steroid drug into foot nerve 64455

This procedure involves injecting a combination of anesthetic and/or steroid medication into a nerve in your foot. It's designed to alleviate pain and inflammation. You may experience temporary numbness or relief in the treated area.

27 services17 patients

Simple separation of fingernail or toenail from nail bed, first nail 11730

This procedure involves the gentle removal of the first nail from its bed, often due to injury or infection. It's performed under local anesthesia to minimize discomfort. The nail will gradually regrow over time.

15 services15 patients

Injection into tendon at attachment to bone or muscle 20551

This procedure involves injecting medicine into a tendon where it attaches to bone or muscle. It's done to alleviate pain or inflammation. The injection may contain a local anesthetic or a corticosteroid to reduce swelling. It's a common treatment for various orthopedic conditions.

14 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Texas Health Harris Methodist Hospital Stephenvill

Acute Care Hospitals · Stephenville, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number450351

Location411 N Belknap StStephenville, TX 76401 · Erath County

Emergency services Birthing friendly

Palo Pinto General Hospital

Acute Care Hospitals · Mineral Wells, TX

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450565

Location400 Southwest 25 AveMineral Wells, TX 76067 · Palo Pinto County

Emergency services Birthing friendly

Graham Regional Medical Center

Critical Access Hospitals · Graham, TX

OwnershipGovernment - Hospital District or Authority

CMS Certification Number671300

Location1301 Montgomery RoadGraham, TX 76450 · Young County

Emergency services

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.

94.89/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

89.79

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES

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

TEXAS HEALTH CARE, P.L.L.C.

Podiatrist (Foot & Ankle Surgery)

202 SW 25TH AVE STE 500
MINERAL WELLS, TX 76067

Palo Pinto County (940) 325-3330

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 Warren's NPI number?

The NPI number for William Warren is 1861578965. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Where is William Warren located?

William Warren practices at 202 SW 25th Ave Ste 500, Mineral Wells, TX 76067. The listed phone number is (940) 325-3330.

What is William Warren's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Is William Warren enrolled in Medicare?

Yes. William Warren 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.

Which organization bills Medicare for William Warren's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Warren reassigns Medicare benefits to Texas Health Care, P.L.L.C. (Mineral Wells, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Warren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Warren 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 2 other insurers list William Warren 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 Warren affiliated with any hospitals?

According to CMS data, William Warren is affiliated with Texas Health Harris Methodist Hospital Stephenvill, Palo Pinto General Hospital and Graham Regional Medical Center.

When was this NPI record last updated?

The NPPES record for William Warren was last updated on September 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.