DIANA LEIGH DIESEN MD
NPI 1457525230
Surgery - Pediatric Surgery in Dallas, TX

Active since April 14, 2008PECOS EnrolledAccepts Medicare Assignment
5323 HARRY HINES BLVD, DALLAS, TX 75390(919) 724-2224(919) 681-8856 Get Directions Write a Review

NPPES record last updated: June 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Diana Leigh Diesen Md NPPES

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

DIANA LEIGH DIESEN MD (NPI 1457525230) is an individual pediatric surgery provider in Dallas, Texas, licensed in Texas (P1453) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS and is a graduate of University Of Virginia School Of Medicine (2004).

NPPES Registry Identity

NPI1457525230
Entity TypeIndividualFemale
Primary Taxonomy2086S0120X
Provider Legal NameDIANA LEIGH DIESENCredential: MD
Location Address5323 HARRY HINES BLVDDallas, TX 75390-7201
Mailing Address5323 Harry Hines BlvdDallas, TX 75390-7201
Fax(919) 681-8856
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2004
Enumeration DateApril 14, 2008
Last NPPES UpdateJune 17, 2025
NPPES CertifiedJune 17, 2025
NPI 1457525230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0120X
License Licensed in TX · P1453
Definition
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
Also ListedSurgeryTaxonomy 208600000X · License P1453 (TX), 122296 (NC)
5323 HARRY HINES BLVD, Dallas, TX 75390

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Diana Leigh Diesen 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 ID7618118084
PECOS Enrollment IDI20130726000636
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.

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.

Physician Assistant
5323 HARRY HINES BLVD
DALLAS, TX 75390
Anesthesiology
5323 HARRY HINES BLVD
DALLAS, TX 75390
Pediatrics
5323 HARRY HINES BLVD
DALLAS, TX 75390
Anesthesiology
5323 HARRY HINES BLVD
DALLAS, TX 75390
Internal Medicine (Infectious Disease)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Pain Medicine (Interventional Pain Medicine)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Internal Medicine (Hematology)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Pediatrics
5323 HARRY HINES BLVD
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 Diana Diesen's NPI number?

The NPI number for Diana Diesen is 1457525230. It was assigned to this individual provider in the NPPES registry on April 14, 2008.

Where is Diana Diesen located?

Diana Diesen practices at 5323 Harry Hines Blvd, Dallas, TX 75390. The listed phone number is (919) 724-2224.

What is Diana Diesen's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Diana Diesen enrolled in Medicare?

Yes. Diana Diesen 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.

What insurance does Diana Diesen 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 Diana Diesen 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 Diana Diesen was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.