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CONNOR CORNELIS GEMMELL BYRNE MD
NPI 1134680499
Radiology - Diagnostic Radiology in Dallas, TX

Active since March 28, 2019PECOS EnrolledAccepts Medicare Assignment
2825 OAK LAWN AVE UNIT 192749, DALLAS, TX 75219(510) 683-9500(877) 880-2039 Get Directions Write a Review

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

Record update history: Jan 19, 2026, Sep 2, 2025, Jul 18, 2024 and 2 more (5 updates tracked since 2020).

About Connor Cornelis Gemmell Byrne Md NPPES

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

CONNOR CORNELIS GEMMELL BYRNE MD (NPI 1134680499) is an individual diagnostic radiology provider in Dallas, Texas, licensed in California (A176828) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Ohio State University State Health System, and maintains a secondary practice location in Sacramento.

NPPES Registry Identity

NPI1134680499
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameCONNOR CORNELIS GEMMELL BYRNECredential: MD
Location Address2825 OAK LAWN AVE UNIT 192749Dallas, TX 75219-4688
Mailing Address2825 Oak Lawn Ave Unit 192749Dallas, TX 75219-4688 · (510) 683-9500 · Fax (877) 880-2039
Phone(510) 683-9500
Fax(877) 880-2039
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2019
Enumeration DateMarch 28, 2019
Last NPPES UpdateJanuary 19, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 19, 2026
✔ NPI 1134680499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in CA · A176828✔ Licensed in NC · 2025-03658✔ Licensed in IL · 036.178492
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X · License 176828 (CA)
2825 OAK LAWN AVE UNIT 192749, Dallas, TX 75219
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Other Names 1

Other Name (5)Connor Cornelius Gemmell

Secondary Practice Location 1

Location 14860 Y St Ste 3100Sacramento, CA 95817-2307 · Phone (916) 734-5732

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.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

Connor Cornelis Gemmell Byrne 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.

PECOS PAC ID1254835952
PECOS Enrollment IDI20250916004318
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 Reassignments

5

Medicare enrollment records show Connor Byrne reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Illinois Radiological Associates, Ltd.
675 mi
Diagnostic Radiology
530 NE GLEN OAK AVENUE
Peoria, IL 61637
  • Reassigned Medicare billing, California enrollment
  • 10 clinicians in this Medicare group
NPI 1538192828 (309) 740-4272
Blue Ridge Healthcare Medical Group Inc
889 mi
Diagnostic Radiology
2201 S. STERLING STREET
Morganton, NC 28655
  • Reassigned Medicare billing, California enrollment
  • 14 clinicians in this Medicare group
NPI 1639244478 (828) 580-6900
Osu Radiology LLC
913 mi
Diagnostic Radiology
520 W 10TH AVE
Columbus, OH 43210
  • Reassigned Medicare billing, California enrollment
  • 11 clinicians in this Medicare group
NPI 1912956814 (614) 293-8315
St Agnes Healthcare Inc
1,209 mi
Internal Medicine
900 CATON AVE
Baltimore, MD 21229
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group
NPI 1144250176 (667) 234-2149
Sutter Valley Medical Foundation
1,403 mi
Multi-Specialty
600 COFFEE RD
Modesto, CA 95355
  • Reassigned Medicare billing, California enrollment
  • 3,056 clinicians in this Medicare group
NPI 1669846986 (209) 524-1211

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ohio State University State Health System

Acute Care Hospitals · Columbus, OH
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number360085
Location410 West 10th AvenueColumbus, OH 43210 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75219 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
$88.19 typical visit price
range $57.18 – $172.86
Typical copayment $22.04 (range $14.29 – $43.21)
Most-billed visit code 99203
Established Patient
$71.28 typical visit price
range $18.48 – $141.20
Typical copayment $17.82 (range $4.62 – $35.30)
Most-billed visit code 99213
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 20

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

AJLA KADRIBEGIC MD
Radiology (Diagnostic Radiology)
2825 OAK LAWN AVE UNIT 192749
DALLAS, TX 75219
Dallas County (510) 683-9500
DR. MATTHEW AARON HABER M.D.
Radiology (Diagnostic Radiology)
2825 OAK LAWN AVE UNIT 192749
DALLAS, TX 75219
Dallas County (510) 683-9500
IAN PAN MD
Radiology (Diagnostic Radiology)
2825 OAK LAWN AVE UNIT 192749
DALLAS, TX 75219
Dallas County (510) 683-9500
SE JIN AHN M.D.
Radiology (Diagnostic Radiology)
2825 OAK LAWN AVE UNIT 192749
DALLAS, TX 75219
Dallas County (510) 683-9500
DR. TU THAO HAM PHAM M.D.
Radiology (Diagnostic Radiology)
2825 OAK LAWN AVE UNIT 192749
DALLAS, TX 75219
Dallas County (844) 389-5711
DR. SEJAL SHAH M.D.
Radiology (Diagnostic Radiology)
2825 OAK LAWN AVE UNIT 192749
DALLAS, TX 75219
Dallas County (510) 683-9500
YVONNE CESENA MORENO MD
Radiology (Diagnostic Radiology)
2825 OAK LAWN AVE UNIT 192749
DALLAS, TX 75219
Dallas County (844) 389-5711
MARCHELLE JUNE BEAN GIANNINI M.D.
Radiology (Diagnostic Radiology)
2825 OAK LAWN AVE UNIT 192749
DALLAS, TX 75219
Dallas County (844) 389-5711

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 Connor Byrne's NPI number?

The NPI number for Connor Byrne is 1134680499. It was assigned to this individual provider in the NPPES registry on March 28, 2019. The provider is also known as Connor Cornelius Gemmell.

Where is Connor Byrne located?

Connor Byrne practices at 2825 Oak Lawn Ave Unit 192749, Dallas, TX 75219. The listed phone number is (510) 683-9500.

What is Connor Byrne's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Connor Byrne enrolled in Medicare?

Yes. Connor Byrne 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 Connor Byrne's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Connor Byrne reassigns Medicare benefits to 5 organizations: Central Illinois Radiological Associates, Ltd. (Peoria, IL), Blue Ridge Healthcare Medical Group Inc (Morganton, NC), Osu Radiology LLC (Columbus, OH), St Agnes Healthcare Inc (Baltimore, MD) and Sutter Valley Medical Foundation (Modesto, CA). 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 Connor Byrne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Connor Byrne accept?

Health plans from CareSource list Connor Byrne 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.

Is Connor Byrne affiliated with any hospitals?

According to CMS data, Connor Byrne is affiliated with Ohio State University State Health System.

When was this NPI record last updated?

The NPPES record for Connor Byrne was last updated on January 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.