Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1164500526 Individual Practitioner Male Practitioner

Dr. Thomas Joseph Lawton , MD

Pathology - Anatomic Pathology • Orange, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Lawton, MD is a certified Pathology - Anatomic Pathology practicing in Orange, CA. With approximately 36 years of clinical experience since graduating from University Of Michigan Medical School in 1990, Dr. Lawton delivers high-quality medical care to the local community at 101 THE CITY DR S.

Dr. Lawton maintains professional affiliations with University Of Vermont Medical Center Inc, Regents Of The University Of California and accepts Medicare assignment.

Frequently performed procedures and clinical services include microscopic genetic analysis of tumor, pathology examination of tissue using a microscope, moderately high complexity, pathology examination of tissue using a microscope, intermediate complexity. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

101 The City Dr S

Orange, CA 928683201

Telephone 7148807812
Associated Practice Facility / Clinic
🏢 The Department Of Psychiatry Facility NPI 1831159003

Medicare Profile & Education

Medical School

University Of Michigan Medical School

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pathology - Anatomic Pathology in Orange, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
36 Yrs +9.6 yrs vs City Avg
City Avg: 26.4 Yrs
State Avg: 29.8 Yrs
Regional Practice Density
17 Specialists

Practicing in Orange, CA (409 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
75.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lawton (36 Years) 36 Yrs
Orange Specialty Average (26.4 Years) 26.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
88360 Microscopic genetic analysis of tumor
52 17 $174.00 $41.65
88307 Pathology examination of tissue using a microscope, moderately high complexity
33 17 $343.00 $82.05
88305 Pathology examination of tissue using a microscope, intermediate complexity
33 31 $150.85 $37.46
88342 Special stained specimen slides to examine tissue, initial procedure
16 16 $142.00 $35.02

Medical Specialties & State Licenses

CMS Verified: 2025-08-19
Pathology - Anatomic Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0101X

State License CA G79230

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.

Pathology - Anatomic Pathology & Clinical Pathology

NUCC Taxonomy Code: 207ZP0102X

State License WA MD00037419

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
8246167 (WA)
Commercial Insurance / Payer ID Internal Id-Motor Vehicle Id
251960

Hospital & Practice Group Affiliations

Regents Of The University Of California

101 The City Dr S, Orange, CA 928683201

Phone: 7144567004

University Of Vermont Medical Center Inc

111 Colchester Ave, Burlington, VT 054011473

Phone: 8028470000

Secondary Practice Locations

10833 Le Conte Ave

Los Angeles, CA 900953518

Phone: 3102673561

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Miranda Ideal , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003378944

Certified Registered Nurse Anesthetist

Dr. David Floriolli , MD

Radiology - Neuroradiology

NPI 1013233212

Doctor of Medicine (M.D.)

Dr. Jesse Goitia , MD

Internal Medicine - Cardiovascular Disease

NPI 1013301290

Doctor of Medicine (M.D.)

Elen Araya , FNP

Nurse Practitioner

NPI 1023225281

Family Nurse Practitioner

Dr. Hayley Kristinsson , PsyD

Clinical Neuropsychologist

NPI 1023500493

Doctor of Psychology (Psy.D.)

Dr. Madushka De Zoysa , MD

Obstetrics & Gynecology

NPI 1023533387

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
📍
Updated Practice Location August 19, 2025

Registered at 101 THE CITY DR S, ORANGE, CA 928683201 (Tel: 7148807812)

📍
Updated Practice Location July 16, 2019

Registered at 10833 LE CONTE AVE, LOS ANGELES, CA 900953518 (Tel: 3102673561)

📍
Updated Business Mailing Address July 16, 2019

Registered at 5767 W CENTURY BLVD STE 400, LOS ANGELES, CA 900455631 (Tel: 3103018707)

NPI Profile Active July 20, 2009

NPI status registered as active in NPPES database

📍
Updated Practice Location July 20, 2009

Registered at 218 E BOSTON ST, SEATTLE, WA 981023518 (Tel: 2068601074)

📍
Updated Business Mailing Address July 20, 2009

Registered at 117 E LOUISA ST # 185, SEATTLE, WA 981023203 (Tel: 2068601074)

👤
Provider Name / Credentials Updated July 20, 2009

Recorded as THOMAS LAWTON, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 20, 2009

Pathology (License #MD00037419 in WA)

🟢
Initial NPI Registration & Enumeration November 02, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1164500526
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 02, 2006
Last Update: August 19, 2025
Sole Proprietor: Yes

Mailing Address

5767 W Century Blvd Ste 400

Los Angeles, CA 900455631

Phone: 3103018707

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.