MRS. DIANA ELIZABETH SOBCZAK MS, RN, CPNP-PC
NPI 1215584909
Nurse Practitioner - Pediatrics in Dallas, TX
About Mrs. Diana Elizabeth Sobczak Ms, Rn, Cpnp-pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. DIANA ELIZABETH SOBCZAK MS, RN, CPNP-PC (NPI 1215584909) is an individual pediatrics provider in Dallas, Texas, licensed in Texas (AP142278) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mrs. Diana Elizabeth Sobczak Ms, Rn, Cpnp-pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Diana Sobczak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dallas, TX 75235
- Reassigned Medicare billing, Texas enrollment
- 808 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75235 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Sobczak's NPI number?
The NPI number for Diana Sobczak is 1215584909. It was assigned to this individual provider in the NPPES registry on August 19, 2019.
Where is Diana Sobczak located?
Diana Sobczak practices at 5200 Harry Hines Blvd, Dallas, TX 75235. The listed phone number is (469) 419-4900.
What is Diana Sobczak's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Diana Sobczak enrolled in Medicare?
Yes. Diana Sobczak is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Diana Sobczak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Sobczak reassigns Medicare benefits to Dallas County Hospital District (Dallas, 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 Diana Sobczak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Diana Sobczak was last updated on August 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Mrs. Diana Elizabeth Sobczak, MS, RN, CPNP-PC · NPI 1215584909
Pediatrics physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since August 19, 2019.
## Identity
- **NPI:** 1215584909 (Entity type: Individual)
- **Enumerated:** August 19, 2019
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** AP142278 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 5200 HARRY HINES BLVD, Dallas, TX 75235-7709
- **Phone:** (469) 419-4900
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Dallas County Hospital District (NPI 1508014895, Dallas, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 19, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1215584909) · Data from the CMS NPPES public registry.