DR. THOMAS JOSEPH LAWTON M.D.
NPI 1164500526
Pathology - Anatomic Pathology in Orange, CA
About Dr. Thomas Joseph Lawton M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS JOSEPH LAWTON M.D. (NPI 1164500526) is an individual anatomic pathology provider in Orange, California, licensed in California (G79230) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of University Of Michigan Medical School (1990).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 2
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. Thomas Joseph Lawton M.d. 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.
Medicare Billing Reassignments
4Medicare enrollment records show Thomas Lawton reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 84 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 79 clinicians in this Medicare group
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 clinicians in this Medicare group
Burlington, VT 05401
- Reassigned Medicare billing, Vermont enrollment
- 1,643 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Thomas Lawton's NPI number?
The NPI number for Thomas Lawton is 1164500526. It was assigned to this individual provider in the NPPES registry on November 2, 2006.
Where is Thomas Lawton located?
Thomas Lawton practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 880-7812.
What is Thomas Lawton's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.
Is Thomas Lawton enrolled in Medicare?
Yes. Thomas Lawton 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 organizations bill Medicare for Thomas Lawton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Lawton reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (Orange, CA), Regents Of The University Of California (Orange, CA), The Regents Of The University Of California (Los Angeles, CA) and University Of Vermont Medical Center Inc (Burlington, VT). Each 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 Thomas Lawton'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 Thomas Lawton was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Dr. Thomas Joseph Lawton, M.D. · NPI 1164500526
Anatomic Pathology physician in Orange, California. Individual provider, active in the CMS NPPES registry since November 2, 2006.
## Identity
- **NPI:** 1164500526 (Entity type: Individual)
- **Enumerated:** November 2, 2006
- **Primary specialty:** Pathology - Anatomic Pathology · taxonomy 207ZP0101X
- **State license:** G79230 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 880-7812
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1174662555, Orange, CA); Regents Of The University Of California (NPI 1558311811, Orange, CA); The Regents Of The University Of California (NPI 1235107566, Los Angeles, CA); University Of Vermont Medical Center Inc (NPI 1659309615, Burlington, VT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 1990
## Record status
- **NPPES last updated:** August 19, 2025
- **Other identifiers:** Other 251960; Medicaid 8246167 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1164500526) · Data from the CMS NPPES public registry.