DR. LAWRENCE BROWNING WILLES MD
NPI 1255633442
Pathology - Anatomic Pathology & Clinical Pathology in San Diego, CA

Active since November 22, 2010PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
200 W ARBOR DR # MC8720, SAN DIEGO, CA 92103(619) 543-5966 Get Directions Write a Review

NPPES record last updated: November 22, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Lawrence Browning Willes Md NPPES

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

DR. LAWRENCE BROWNING WILLES MD (NPI 1255633442) is an individual anatomic pathology & clinical pathology provider in San Diego, California, licensed in California (A103827) and active in the NPI registry since November 2010. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2006).

NPPES Registry Identity

NPI1255633442
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. LAWRENCE BROWNING WILLESCredential: MD
Location Address200 W ARBOR DR # MC8720San Diego, CA 92103-9001
Mailing Address200 W Arbor Dr # Mc8720San Diego, CA 92103-9001 · (619) 543-5966
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2006
Enumeration DateNovember 22, 2010
✔ NPI 1255633442 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 CA · A103827
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.
200 W ARBOR DR # MC8720, San Diego, CA 92103

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. Lawrence Browning Willes Md 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 ID5193993673
PECOS Enrollment IDI20110728000211
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 Lawrence Willes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anatomic Pathology & Clinical Pathology
1509 WILSON TER
Glendale, CA 91206
  • Reassigned Medicare billing, California enrollment
  • 9 clinicians in this Medicare group

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 27

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
838 services489 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
485 services116 patients
Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
341 services204 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
293 services231 patients
Cell examination of specimen, selective cellular enhancement technique 88112
Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.
205 services176 patients
Microscopic genetic analysis of tumor, using computer-assisted technology 88361
Microscopic genetic analysis of a tumor uses advanced computer technology to examine the genetic makeup of the tumor cells. This helps to understand the tumor better and tailor a treatment plan. It's a non-invasive procedure and provides valuable insights for your healthcare team.
173 services38 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost94.69

Other Providers at the Same Location NPPES

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

Pathology (Anatomic Pathology & Clinical Pathology)
200 W ARBOR DR # MC8720
SAN DIEGO, CA 92103

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 Lawrence Willes's NPI number?

The NPI number for Lawrence Willes is 1255633442. It was assigned to this individual provider in the NPPES registry on November 22, 2010.

Where is Lawrence Willes located?

Lawrence Willes practices at 200 W Arbor Dr # Mc8720, San Diego, CA 92103. The listed phone number is (619) 543-5966.

What is Lawrence Willes's specialty?

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

Is Lawrence Willes enrolled in Medicare?

Yes. Lawrence Willes 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 Lawrence Willes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Willes reassigns Medicare benefits to Glendale Pathology Associates Medical Group Of Glendale (Glendale, CA). 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 Lawrence Willes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lawrence Willes was last updated on November 22, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.