JOHN CHARLES ALEXANDER JR. MD
NPI 1447461447
Anesthesiology in Dallas, TX
About John Charles Alexander Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN CHARLES ALEXANDER JR. MD (NPI 1447461447) is an individual anesthesiology provider in Dallas, Texas, licensed in Texas (M6008) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Baylor University Medical Center, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
John Charles Alexander Jr. 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 John Alexander reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75390
- Reassigned Medicare billing, Texas enrollment
- 5,299 clinicians in this Medicare group
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baylor University Medical Center
Acute Care Hospitals · Dallas, TXBaylor Scott And White Medical Center Uptown
Acute Care Hospitals · Dallas, TXMedical City Plano
Acute Care Hospitals · Plano, TXBaylor Scott & White Medical Center - Frisco
Acute Care Hospitals · Frisco, TXBaylor Scott & White Medical Center Plano
Acute Care Hospitals · Plano, TXMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
DALLAS, TX 75390
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 John Alexander's NPI number?
The NPI number for John Alexander is 1447461447. It was assigned to this individual provider in the NPPES registry on May 24, 2007.
Where is John Alexander located?
John Alexander practices at 5323 Harry Hines Blvd Department Of Anesthesiology & Pain Management, Dallas, TX 75390. The listed phone number is (214) 648-7833.
What is John Alexander's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Alexander enrolled in Medicare?
Yes. John Alexander 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 John Alexander's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Alexander reassigns Medicare benefits to 2 organizations: University Of Texas Southwestern Medical Center At Dallas (Dallas, TX) and U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX). 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 John Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Alexander 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 4 other insurers list John Alexander 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 John Alexander affiliated with any hospitals?
According to CMS data, John Alexander is affiliated with Baylor University Medical Center, Baylor Scott And White Medical Center Uptown, Medical City Plano, Baylor Scott & White Medical Center - Frisco and Baylor Scott & White Medical Center Plano.
When was this NPI record last updated?
The NPPES record for John Alexander was last updated on January 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.