DR. LAWRENCE BROWNING WILLES (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1255633442

DR. LAWRENCE BROWNING WILLES (MD) is a healthcare provider. based in San diego, California. specializing in PATHOLOGY. They hold the professional credentials MD. They hold a License No. A103827 (CA). The NPI Number for DR. LAWRENCE BROWNING WILLES (MD) is 1255633442

Main info

Male
20 Years Of Experience
Accepts Medicare Assignment
Name
DR. LAWRENCE BROWNING WILLES (MD)
NPI
1255633442
Phone
(619) 543-5966
Address
200 W ARBOR DR # MC8720
Enumeration Date
22 November 2010
Last Update Date
22 November 2010

Doctor Profile

Medical School Name
LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
8059556000
Graduation Year
2006 (20 years ago)
PAC ID
5193993673
Group Practice PAC ID
2860482221
Professional Enrollment ID
I20110728000211
Address ID
CA930651201SI2975XDRXX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience44
Completeness75
Years active:15State licenses:1Digital endpointsOther names

1,584 PATHOLOGY in CA

Provider Addresses for DR. LAWRENCE BROWNING WILLES (MD)

  • 200 W ARBOR DR # MC8720

    SAN DIEGO, CA 921039001

    Phone: (619) 543-5966

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $14.

Total Amount is formed as General ($14) + Research ($0) + Ownership ($0) = $14.

Last reported payment date: 2024-04-19 • Largest payer in this snapshot: bioMerieux Inc ($14).

Total Amount

$14

General + Research + Ownership

Payments

1

Total payment records

General Amount

$14

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-04-19

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
bioMerieux Inc$14
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2011-07-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20110728000211IPathologyCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
88305Pathology examination of tissue using a microscope, intermediate complexity1,032662$0
88341Special stained specimen slides to examine tissue, each additional procedure489104$0
88342Special stained specimen slides to examine tissue, initial procedure390343$0
88112Cell examination of specimen, selective cellular enhancement technique176162$0
88361Microscopic genetic analysis of tumor, using computer-assisted technology15634$0
View full utilization report →

Insurance plans in this area (ZIP 92103)

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Provider's Procedures

DR. LAWRENCE BROWNING WILLES (MD) performs procedures in PATHOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PATHOLOGYCA88342Tissue or cell analysis by immunologic technique221187

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2860482221View full group profile
NameSpecialtyState
P A T H O L O G YCA
P A T H O L O G YCA
P A T H O L O G YCA
P A T H O L O G YOH
P A T H O L O G YME
P A T H O L O G YCA

Reviews

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Frequently asked questions

How do I look up DR. LAWRENCE BROWNING WILLES (MD) by NPI?
Use NPI 1255633442 when you need to reference DR. LAWRENCE BROWNING WILLES (MD) in forms, claims, or directories.
Is DR. LAWRENCE BROWNING WILLES (MD) active in the national directory?
DR. LAWRENCE BROWNING WILLES (MD)'s public NPI profile is in an active state.
Does DR. LAWRENCE BROWNING WILLES (MD) list a primary specialty?
If you are matching referrals, note Anatomic Pathology & Clinical Pathology Physician for DR. LAWRENCE BROWNING WILLES (MD). Clinical services aligned with this taxonomy classification.
Does DR. LAWRENCE BROWNING WILLES (MD) practice in California?
You will see San Diego, California on file for DR. LAWRENCE BROWNING WILLES (MD) alongside any extra practice locations.
What if San Diego, California seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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