JASON S. WILLIS MD
NPI 1487857983
Pathology - Anatomic Pathology & Clinical Pathology in Irving, TX

Q: What is Jason Willis's NPI number?

The NPI number for Jason Willis is 1487857983. It was assigned to this individual provider in the NPPES registry on June 11, 2007.

Q: What is Jason Willis's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Jason Willis was last updated on January 14, 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 June 11, 2007PECOS EnrolledCLIA 05D2295759 · Certificate of Compliance

4770 REGENT BLVD, IRVING, TX 75063(972) 934-4300 Get Directions Write a Review

NPPES record last updated: January 14, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Jason S. Willis Md NPPES

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

JASON S. WILLIS MD (NPI 1487857983) is an individual anatomic pathology & clinical pathology provider in Irving, Texas, licensed in Texas (N9146) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and holds a CLIA Certificate of Compliance certificate valid through August 13, 2028.

NPPES Registry Identity

NPI1487857983

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameJASON S. WILLISCredential: MD

Location Address4770 REGENT BLVDIrving, TX 75063-2445

Mailing Address3213 Drexel Drive, Suite 400Dallas, TX 75205 · (214) 437-7975

Phone(972) 934-4300

Sole ProprietorNo

Enumeration DateJune 11, 2007

Last NPPES UpdateJanuary 14, 2019

✔ NPI 1487857983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in TX · N9146

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

4770 REGENT BLVD, Irving, TX 75063

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jason S. Willis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Jason Willis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mcd Pathology LLP

14 mi

Anatomic Pathology & Clinical Pathology

7777 FOREST LANE, DEPARTMENT OF PATHOLOGY
Dallas, TX 75230

Reassigned Medicare billing, Texas enrollment
4 clinicians in this Medicare group

NPI 1114959665 (972) 566-7283

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 05D2295759

Jason S Willis · San Diego, CA

Active · expires Aug 13, 2028

CLIA Number05D2295759

Laboratory TypeIndependent

Certificate Effective DateAugust 14, 2026

Certificate Expiration DateAugust 13, 2028

Laboratory DirectorJason Willis

Laboratory Phone(214) 437-7975

Laboratory LocationJason S Willis10314 Spruce Grove Ave, San Diego, CA 92131

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75063 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

$131.01 typical visit price

range $57.18 – $172.86

Typical copayment $32.75 (range $14.29 – $43.21)

Most-billed visit code 99204

Established Patient

$100.80 typical visit price

range $18.48 – $141.20

Typical copayment $25.20 (range $4.62 – $35.30)

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.

Other Providers at the Same Location NPPES 20

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

BRIAN MICHAEL LEVENSON MD