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DIANE K NWONYE CRNA
NPI 1750315057
Nurse Anesthetist, Certified Registered in Round Rock, TX

Active since July 10, 2006
2000 S MAYS ST STE 201, ROUND ROCK, TX 78664(512) 244-4272 Get Directions Write a Review

NPPES record last updated: January 14, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 14, 2021, Jun 7, 2017 (2 updates tracked since 2017).

About Diane K Nwonye Crna NPPES

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

DIANE K NWONYE CRNA (NPI 1750315057) is an individual nurse anesthetist, certified registered in Round Rock, Texas, licensed in Texas (AP113336) and active in the NPI registry since July 2006. She maintains a secondary practice location in Georgetown.

NPPES Registry Identity

NPI1750315057
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameDIANE K NWONYECredential: CRNA
Location Address2000 S MAYS ST STE 201Round Rock, TX 78664-7580
Mailing Address2000 S Mays St Ste 201Round Rock, TX 78664-7580 · (512) 244-4272 · Fax (214) 687-9344
Phone(512) 244-4272
Sole ProprietorNo
Enumeration DateJuly 10, 2006
Last NPPES UpdateJanuary 14, 20212 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2021
✔ NPI 1750315057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in TX · AP113336✔ Licensed in TX · 726301
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
2000 S MAYS ST STE 201, Round Rock, TX 78664
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Other Names 1

Former Name (1)Diane K Block Crna

Secondary Practice Location 1

Location 1174 Estrella XingGeorgetown, TX 78628-6973 · Phone (214) 687-0001

Other Identifiers 1

Medicaid181897309TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc., Oscar Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diane K Nwonye Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

8

Medicare enrollment records show Diane Nwonye reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Republic Spine And Pain, P.A.
8.1 mi
Interventional Pain Medicine
13617 CALDWELL DR STE 100
Austin, TX 78750
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Republic Spine And Pain, PA
  • 21 clinicians in this Medicare group
NPI 1831410323 (512) 219-8787
Westlake Anesthesia Group PA
18 mi
Anesthesiology
5656 BEE CAVES RD
Austin, TX 78746
  • Reassigned Medicare billing, Texas enrollment
  • 55 clinicians in this Medicare group
NPI 1679511307 (936) 639-3036
Austin Gastroenterology Anesthesia Associates PLLC
22 mi
Anesthesiology
4310 JAMES CASEY ST STE 4B
Austin, TX 78745
  • Reassigned Medicare billing, Texas enrollment
  • 175 clinicians in this Medicare group
NPI 1427405810 (800) 242-5080
Northstar Anesthesia II PA
144 mi
Anesthesiology
11801 SOUTH FWY
Burleson, TX 76028
  • Reassigned Medicare billing, Texas enrollment
  • 429 clinicians in this Medicare group
NPI 1477066405 (817) 293-9110
Northstar Anesthesia, PA
158 mi
Anesthesiology
2000 E LAMAR BLVD, SUITE 400
Arlington, TX 76006
  • Reassigned Medicare billing, Texas enrollment
  • 1,164 clinicians in this Medicare group
NPI 1912978610 (817) 861-3994
Endo Sedation LLC
167 mi
Nurse Anesthetist, Certified Registered
180 BEAR CREEK PKWY
Keller, TX 76248
  • Reassigned Medicare billing, Texas enrollment
  • 710 clinicians in this Medicare group
NPI 1588931174 (972) 763-3893
Premier Anesthesia Of Huntsville A Division Of Premier Anesthesia LLC
301 mi
Anesthesiology
301 W EXPRESSWAY 83
Mcallen, TX 78503
  • Reassigned Medicare billing, Texas enrollment
  • 300 clinicians in this Medicare group
NPI 1346570355 (877) 959-6721
Anesthesia Dynamics LLC
938 mi
Anesthesiology
206 2ND ST E
Bradenton, FL 34208
  • Reassigned Medicare billing, Texas enrollment
  • 195 clinicians in this Medicare group
NPI 1073001012 (888) 851-4642

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 4

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.

Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
128 services128 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
77 services77 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
56 services56 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
51 services51 patients

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.

SHELBY E WASIL PA-C
Physician Assistant
2000 S MAYS ST STE 201
ROUND ROCK, TX 78664
Williamson County (512) 244-4272
ROBERT P. WILLS M.D.
Pain Medicine (Interventional Pain Medicine)
2000 S MAYS ST STE 201
ROUND ROCK, TX 78664
Williamson County (512) 244-4272
LISA N GARBER PA-C
Physician Assistant
2000 S MAYS ST STE 201
ROUND ROCK, TX 78664
Williamson County (512) 244-4272
ROBERT ALAN SHEDORE CRNA
Nurse Anesthetist, Certified Registered
2000 S MAYS ST STE 201
ROUND ROCK, TX 78664
Williamson County (512) 244-4272
ASIM S AIJAZ MD
Pain Medicine (Interventional Pain Medicine)
2000 S MAYS ST STE 201
ROUND ROCK, TX 78664
Williamson County (512) 244-4272
MELANIE MARAGHY CRNA
Nurse Anesthetist, Certified Registered
2000 S MAYS ST STE 201
ROUND ROCK, TX 78664
Williamson County (512) 244-4272
GREGORY COATES PA-C
Physician Assistant
2000 S MAYS ST STE 201
ROUND ROCK, TX 78664
Williamson County (512) 244-4272
KIMBERLY R HAZEN MSW, LCSW
Social Worker (Clinical)
2000 S MAYS ST STE 201
ROUND ROCK, TX 78664
Williamson County (512) 244-4272

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 Diane Nwonye's NPI number?

The NPI number for Diane Nwonye is 1750315057. It was assigned to this individual provider in the NPPES registry on July 10, 2006. The provider is also known as Diane K Block Crna.

Where is Diane Nwonye located?

Diane Nwonye practices at 2000 S Mays St Ste 201, Round Rock, TX 78664. The listed phone number is (512) 244-4272.

What is Diane Nwonye's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Diane Nwonye enrolled in Medicare?

Yes. Diane Nwonye is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Diane Nwonye's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diane Nwonye reassigns Medicare benefits to 8 organizations: Republic Spine And Pain, P.A. (Austin, TX), Westlake Anesthesia Group PA (Austin, TX), Austin Gastroenterology Anesthesia Associates PLLC (Austin, TX), Northstar Anesthesia II PA (Burleson, TX), Northstar Anesthesia, PA (Arlington, TX) and 3 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 Diane Nwonye's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diane Nwonye accept?

Health plans from Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc., Oscar Insurance Company and UnitedHealthcare list Diane Nwonye 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 Diane Nwonye was last updated on January 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.