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GEMMA A. SINCLAIR DC
NPI 1649641366
Chiropractor in Round Rock, TX

Active since October 08, 2015
4112 LINKS LN STE 106, ROUND ROCK, TX 78664(800) 404-6050(866) 313-3397 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 27, 2023, Jan 18, 2023 (2 updates tracked since 2023).

About Gemma A. Sinclair Dc NPPES

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

GEMMA A. SINCLAIR DC (NPI 1649641366) is an individual chiropractor in Round Rock, Texas, licensed in Texas (13289) and active in the NPI registry since October 2015.

NPPES Registry Identity

NPI1649641366
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameGEMMA A. SINCLAIRCredential: DC
Location Address4112 LINKS LN STE 106Round Rock, TX 78664-3902
Mailing AddressPo Box 700688San Antonio, TX 78270-0688 · (210) 318-3007 · Fax (210) 468-0682
Phone(800) 404-6050
Fax(866) 313-3397
Sole ProprietorNo
Enumeration DateOctober 8, 2015
Last NPPES UpdateFebruary 25, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2026
✔ NPI 1649641366 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in TX · 13289
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
4112 LINKS LN STE 106, Round Rock, TX 78664
Open in Google Maps ↗

Other Identifiers 1

Other13289TX · Chiropractic License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gemma A. Sinclair Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Gemma Sinclair reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Airrosti Rehab Centers, LLC
82 mi
Rehabilitation
111 TOWER DR BLDG 1
San Antonio, TX 78232
  • Reassigned Medicare billing, Texas enrollment
  • 237 clinicians in this Medicare group
NPI 1497989479 (800) 404-6050

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 2

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

DR. BENJAMIN DON RENFRO DC
Chiropractor (Rehabilitation)
4112 LINKS LN STE 106
ROUND ROCK, TX 78664
Williamson County (800) 404-6050
DR. KRISTEN L ARLT D.C.
Chiropractor
4112 LINKS LN STE 106
ROUND ROCK, TX 78664
Williamson County (800) 404-6050

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 Gemma Sinclair's NPI number?

The NPI number for Gemma Sinclair is 1649641366. It was assigned to this individual provider in the NPPES registry on October 8, 2015.

Where is Gemma Sinclair located?

Gemma Sinclair practices at 4112 Links Ln Ste 106, Round Rock, TX 78664. The listed phone number is (800) 404-6050.

What is Gemma Sinclair's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Gemma Sinclair enrolled in Medicare?

Yes. Gemma Sinclair is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gemma Sinclair's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gemma Sinclair reassigns Medicare benefits to Airrosti Rehab Centers, LLC (San Antonio, TX). 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 Gemma Sinclair's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gemma Sinclair accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Gemma Sinclair 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 Gemma Sinclair was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.