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DR. GARRETT ELLA HARRIS MD, MBS
NPI 1194527192
Psychiatry & Neurology - Neurology in Greer, SC

Active since March 27, 2025PECOS Enrolled
109 PHYSICIANS DR STE C, GREER, SC 29650(864) 797-8800 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 19, 2026, Jul 1, 2025, Mar 28, 2025 (3 updates tracked since 2025).

About Dr. Garrett Ella Harris Md, Mbs NPPES

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

DR. GARRETT ELLA HARRIS MD, MBS (NPI 1194527192) is an individual neurology provider in Greer, South Carolina, licensed in South Carolina (LL94544) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194527192
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameDR. GARRETT ELLA HARRISCredential: MD, MBS
Location Address109 PHYSICIANS DR STE CGreer, SC 29650-2446
Mailing Address109 Physicians Dr Ste CGreer, SC 29650-2446
Phone(864) 797-8800
Sole ProprietorYes
Enumeration DateMarch 27, 2025
Last NPPES UpdateAugust 19, 20263 updates tracked since enumeration
NPPES CertifiedAugust 19, 2026
✔ NPI 1194527192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in SC · LL94544
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
109 PHYSICIANS DR STE C, Greer, SC 29650
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Garrett Ella Harris Md, Mbs is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Garrett Harris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lexington Health Inc
72 mi
Family Medicine
1612 CHAPIN RD
Chapin, SC 29036
  • Reassigned Medicare billing, South Carolina enrollment
  • 1,219 clinicians in this Medicare group
NPI 1316544703 (803) 345-3414

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 29650 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
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
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.

Other Providers at the Same Location NPPES 3

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

SAMANTHA PLUM
Psychiatry & Neurology (Neurology)
109 PHYSICIANS DR STE C
GREER, SC 29650
Greenville County (864) 797-8856
MARISHA BROWNING TRELINSKI FNP
Nurse Practitioner (Family)
109 PHYSICIANS DR STE C
GREER, SC 29650
Greenville County (864) 797-8800
SANJEEV SIVAKUMAR M.D.,
Psychiatry & Neurology (Neurocritical Care)
109 PHYSICIANS DR STE C
GREER, SC 29650
Greenville County (864) 797-8800

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 Garrett Harris's NPI number?

The NPI number for Garrett Harris is 1194527192. It was assigned to this individual provider in the NPPES registry on March 27, 2025.

Where is Garrett Harris located?

Garrett Harris practices at 109 Physicians Dr Ste C, Greer, SC 29650. The listed phone number is (864) 797-8800.

What is Garrett Harris's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Garrett Harris enrolled in Medicare?

Yes. Garrett Harris is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Garrett Harris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Garrett Harris reassigns Medicare benefits to Lexington Health Inc (Chapin, SC). 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 Garrett Harris'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 Garrett Harris was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.