DR. PETER E DIAZ M.D.
NPI 1760594808
Obstetrics & Gynecology in Austin, TX
About Dr. Peter E Diaz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER E DIAZ M.D. (NPI 1760594808) is an individual obstetrics & gynecology provider in Austin, Texas, licensed in Texas (L8039) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Austin, and is a graduate of Texas Tech University Health Science Center School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 (PECOS)
Dr. Peter E Diaz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Peter Diaz reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78758
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Obhg Texas Holdings PA
- 998 clinicians in this Medicare group
Austin, TX 78758
- Reassigned Medicare billing, Texas enrollment
- 240 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 64 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 clinicians in this Medicare group
Stillwater, OK 74078
- Reassigned Medicare billing, Oklahoma enrollment
- 171 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 68 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 820 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 78717 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
AUSTIN, TX 78717
AUSTIN, TX 78717
AUSTIN, TX 78717
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 Peter Diaz's NPI number?
The NPI number for Peter Diaz is 1760594808. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Peter Diaz located?
Peter Diaz practices at 9835 N Lake Creek Pkwy, Austin, TX 78717. The listed phone number is (737) 229-2000.
What is Peter Diaz's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Peter Diaz enrolled in Medicare?
Yes. Peter Diaz is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Peter Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Diaz reassigns Medicare benefits to 7 organizations: Obhg Texas Holdings, P.A. (Austin, TX), Central Texas Community Health Centers (Austin, TX), Lone Star Ob/Gyn Associates, P.A. (San Antonio, TX), Texas Children's Physician Group (Houston, TX), Oklahoma State University (Stillwater, OK) and 2 more organizations, listed in the Medicare section above. 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 Peter Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Diaz accept?
Health plans from Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Community First and Mending Health and 4 other insurers list Peter Diaz 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 Peter Diaz was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Peter E Diaz, M.D. · NPI 1760594808
Obstetrics & Gynecology physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1760594808 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** L8039 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 9835 N LAKE CREEK PKWY, Austin, TX 78717-6210
- **Phone:** (737) 229-2000
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Obhg Texas Holdings, P.A. (NPI 1083917769, Austin, TX); Central Texas Community Health Centers (NPI 1427882091, Austin, TX); Lone Star Ob/Gyn Associates, P.A. (NPI 1063441921, San Antonio, TX); Texas Children's Physician Group (NPI 1861675506, Houston, TX); Oklahoma State University (NPI 1700994878, Stillwater, OK); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Texas Tech University Health Science Center School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** April 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1760594808) · Data from the CMS NPPES public registry.