1. Home
  2. Directory
  3. Alabama
  4. Birmingham
  5. Pediatrics
  6. NPI Profile

DR. JONATHAN WINFREY BYRNES M.D.
NPI 1457550923
Pediatrics - Pediatric Critical Care Medicine in Birmingham, AL

Active since July 16, 2007PECOS Enrolled
1600 7TH AVE S, BIRMINGHAM, AL 35233(205) 638-9100(205) 975-6505 Get Directions Write a Review

NPPES record last updated: December 5, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 5, 2022, Jan 5, 2021, Sep 19, 2019 and 1 more (4 updates tracked since 2017).

About Dr. Jonathan Winfrey Byrnes M.d. NPPES

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

DR. JONATHAN WINFREY BYRNES M.D. (NPI 1457550923) is an individual pediatric critical care medicine provider in Birmingham, Alabama, licensed in Florida (ME147880) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1457550923
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameDR. JONATHAN WINFREY BYRNESCredential: M.D.
Location Address1600 7TH AVE SBirmingham, AL 35233
Mailing AddressPo Box 100297Gainesville, FL 32610-0297 · (352) 273-5422
Phone(205) 638-9100
Fax(205) 975-6505
Sole ProprietorNo
Enumeration DateJuly 16, 2007
Last NPPES UpdateDecember 5, 20224 updates tracked since enumeration
NPPES CertifiedDecember 5, 2022
✔ NPI 1457550923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
Licenses✔ Licensed in FL · ME147880✔ Licensed in AL · MD.37960✔ Licensed in LA · 333366
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatrics · Pediatric CardiologyTaxonomy 2080P0202X · License MD.37960 (AL)
1600 7TH AVE S, Birmingham, AL 35233
Open in Google Maps ↗

Secondary Practice Locations 3

Location 13333 Burnet Ave, MLC 2003Cincinnati, OH 45229-3026 · Phone (513) 636-4432 · Fax (513) 636-3952
Location 21600 SW Archer RdGainesville, FL 32610-3003 · Phone (352) 273-5422
Location 31514 Jefferson HwyNew Orleans, LA 70121-2429 · Phone (504) 842-3660 · Fax (504) 842-2905

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jonathan Winfrey Byrnes M.d. 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 Reassignments

2

Medicare enrollment records show Jonathan Byrnes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Alabama Health Services Foundation, PC
Same address
Pediatrics
1600 7TH AVE S
Birmingham, AL 35233
  • Reassigned Medicare billing, Alabama enrollment
  • 4,494 clinicians in this Medicare group
NPI 1356377576 (205) 939-9100
Florida Clinical Practice Association Inc
374 mi
Surgery
1600 SW ARCHER RD
Gainesville, FL 32610
  • Reassigned Medicare billing, Florida enrollment
  • 3,324 clinicians in this Medicare group
NPI 1063463768 (352) 265-7922

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 20

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

MRS. APRIL HOOPER WEATHERLY CRNP
Nurse Practitioner (Acute Care)
1600 7TH AVE S
BIRMINGHAM, AL 35233
Jefferson County (205) 939-9175
ROBERT PATRICK RICHTER M.D.
Pediatrics (Pediatric Critical Care Medicine)
1600 7TH AVE S
BIRMINGHAM, AL 35233
Jefferson County (205) 638-9100
MS. CARLY RAE HAWKINS CRNP
Nurse Practitioner
1600 7TH AVE S
BIRMINGHAM, AL 35233
Jefferson County (205) 638-9285
DR. MARY ORR M.D.
Hospitalist
1600 7TH AVE S
BIRMINGHAM, AL 35233
Jefferson County (205) 638-9100
MRS. LAURA NIEMANN OTR/L
Rehabilitation Unit
1600 7TH AVE S
BIRMINGHAM, AL 35233
Jefferson County (205) 638-9565
AMY URBAN CRNP
Nurse Practitioner (Pediatrics)
1600 7TH AVE S, LOWDER BLDG., SUITE 618
BIRMINGHAM, AL 35233
Jefferson County (205) 638-9918
STEPHANIE BERGER MD
Pediatrics
1600 7TH AVE S, MCWANE BUILDING SUITE 108
BIRMINGHAM, AL 35233
Jefferson County (205) 638-2904
SULA MCELROY GILLESPIE CRNP
Nurse Practitioner (Pediatrics)
1600 7TH AVE S, CHILDRENS OF ALABAMA
BIRMINGHAM, AL 35233
Jefferson County (205) 638-9144

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 Jonathan Byrnes's NPI number?

The NPI number for Jonathan Byrnes is 1457550923. It was assigned to this individual provider in the NPPES registry on July 16, 2007.

Where is Jonathan Byrnes located?

Jonathan Byrnes practices at 1600 7th Ave S, Birmingham, AL 35233. The listed phone number is (205) 638-9100.

What is Jonathan Byrnes's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Jonathan Byrnes enrolled in Medicare?

Yes. Jonathan Byrnes is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jonathan Byrnes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Byrnes reassigns Medicare benefits to 2 organizations: University Of Alabama Health Services Foundation, PC (Birmingham, AL) and Florida Clinical Practice Association Inc (Gainesville, FL). 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 Jonathan Byrnes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jonathan Byrnes accept?

Health plans from Blue Cross and Blue Shield of Texas list Jonathan Byrnes 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 Jonathan Byrnes was last updated on December 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.