THOMAS FRANCIS HARRINGTON IV MD
NPI 1831765387
Pathology - Anatomic Pathology & Clinical Pathology in Charleston, SC
About Thomas Francis Harrington Iv Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS FRANCIS HARRINGTON IV MD (NPI 1831765387) is an individual anatomic pathology & clinical pathology provider in Charleston, South Carolina, licensed in South Carolina (LL86077) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS and is a graduate of State University Of Ny Upstate Medical University (2021).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Thomas Francis Harrington Iv 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.
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Harrington reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 6 clinicians in this Medicare group
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 6 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29425 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHARLESTON, SC 29425
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 Harrington's NPI number?
The NPI number for Thomas Harrington is 1831765387. It was assigned to this individual provider in the NPPES registry on June 3, 2021.
Where is Thomas Harrington located?
Thomas Harrington practices at 169 Ashley Ave Rm 202, Charleston, SC 29425. The listed phone number is (843) 792-1912.
What is Thomas Harrington's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Thomas Harrington enrolled in Medicare?
Yes. Thomas Harrington 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 Harrington's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Harrington reassigns Medicare benefits to 2 organizations: Pinnacle Pathology P C (Phoenix, AZ) and Western Pathology Associates, Ltd. (Phoenix, AZ). 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 Harrington's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Harrington accept?
Health plans from Oscar Health Plan, Inc. list Thomas Harrington as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Thomas Harrington was last updated on June 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Thomas Francis Harrington IV, MD · NPI 1831765387
Anatomic Pathology & Clinical Pathology physician in Charleston, South Carolina. Individual provider, active in the CMS NPPES registry since June 3, 2021.
## Identity
- **NPI:** 1831765387 (Entity type: Individual)
- **Enumerated:** June 3, 2021
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** LL86077 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 169 ASHLEY AVE RM 202, Charleston, SC 29425-8905
- **Phone:** (843) 792-1912
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Pinnacle Pathology P C (NPI 1477568145, Phoenix, AZ); Western Pathology Associates, Ltd. (NPI 1942316161, Phoenix, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of Ny Upstate Medical University, class of 2021
## Record status
- **NPPES last updated:** June 3, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1831765387) · Data from the CMS NPPES public registry.