Active NPI 1528228129 Individual Practitioner Female Practitioner

Dr. Sondra B. Walker , MD

Anesthesiology • Austin, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Sondra Walker, MD is a certified Anesthesiology practicing in Austin, TX. With approximately 18 years of clinical experience since graduating from Texas A & M University System, Hsc, College Of Medicine in 2008, Dr. Walker delivers high-quality medical care to the local community at 8140 N MOPAC EXPY STE 3-210.

Dr. Walker is affiliated with Austin Anesthesiology Group Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for lens surgery, anesthesia for retinal surgery, anesthesia for procedure on eyelid. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

8140 N Mopac Expy Ste 3-210

Austin, TX 787598862

Telephone 5123436229

Fax 5123432745

Associated Practice Facility / Clinic

🏢 Austin Anesthesiology Group, Pllc Facility NPI 1598724304

Medicare Profile & Education

Medical School

Texas A & M University System, Hsc, College Of Medicine

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Austin, TX

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

18 Yrs -6.3 yrs vs City Avg

City Avg: 24.3 Yrs

State Avg: 24.9 Yrs

Regional Practice Density

230 Specialists

Practicing in Austin, TX (4818 Statewide)

Telehealth Adoption Rate

0.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

94.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Walker (18 Years) 18 Yrs

Austin Specialty Average (24.3 Years) 24.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	436	394	$1071.58	$54.28
00145 Anesthesia for retinal surgery	85	82	$1881.17	$105.55
00103 Anesthesia for procedure on eyelid	50	49	$1585.75	$95.17
00811 Anesthesia for procedure on large bowel using an endoscope	40	40	$1206.34	$61.35
00813 Anesthesia for procedure on small and large bowel using an endoscope	20	20	$1457.07	$72.46
00910 Anesthesia for other procedure on urinary system through urethra	17	17	$1358.00	$78.57
00812 Anesthesia for exam of colon using an endoscope	15	15	$1198.46	$51.99
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	13	13	$1310.05	$73.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	475	398	$1037.27	$54.67
00145 Anesthesia for retinal surgery	73	71	$1917.45	$110.27
00103 Anesthesia for procedure on eyelid	35	33	$1543.20	$88.47
00812 Anesthesia for exam of colon using an endoscope	32	32	$1173.69	$48.82
00813 Anesthesia for procedure on small and large bowel using an endoscope	25	25	$1454.46	$81.41
00811 Anesthesia for procedure on large bowel using an endoscope	22	22	$1173.68	$61.03
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	18	18	$1582.29	$92.64
00910 Anesthesia for other procedure on urinary system through urethra	13	12	$1215.88	$68.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	388	363	$1017.97	$57.12
00145 Anesthesia for retinal surgery	52	49	$1829.88	$110.64
00812 Anesthesia for exam of colon using an endoscope	47	47	$1144.23	$52.34
00811 Anesthesia for procedure on large bowel using an endoscope	38	38	$1132.12	$63.76
00813 Anesthesia for procedure on small and large bowel using an endoscope	38	38	$1386.67	$80.53
00103 Anesthesia for procedure on eyelid	34	34	$1513.62	$88.29
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	21	21	$1205.10	$67.70
00910 Anesthesia for other procedure on urinary system through urethra	13	13	$1141.60	$62.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	298	280	$1044.98	$58.54
00812 Anesthesia for exam of colon using an endoscope	38	38	$1094.70	$55.32
00103 Anesthesia for procedure on eyelid	35	35	$1535.41	$86.08
00145 Anesthesia for retinal surgery	24	24	$1772.95	$113.36
00813 Anesthesia for procedure on small and large bowel using an endoscope	24	24	$1362.62	$84.92
00910 Anesthesia for other procedure on urinary system through urethra	16	16	$1084.55	$68.82
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	16	16	$1176.11	$65.63
00811 Anesthesia for procedure on large bowel using an endoscope	13	13	$1101.67	$78.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	182	172	$1007.86	$62.91
00103 Anesthesia for procedure on eyelid	36	35	$1475.56	$92.86
00812 Anesthesia for exam of colon using an endoscope	30	30	$1095.60	$59.72
00145 Anesthesia for retinal surgery	25	23	$1839.28	$137.06
00811 Anesthesia for procedure on large bowel using an endoscope	22	22	$1086.55	$74.69
00813 Anesthesia for procedure on small and large bowel using an endoscope	18	18	$1364.89	$83.27
00910 Anesthesia for other procedure on urinary system through urethra	17	17	$1074.12	$69.27
00912 Anesthesia for removal of urinary bladder tumors including use of an endoscope	13	13	$1519.54	$92.58
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	13	12	$1162.00	$75.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	84	83	$991.26	$63.00
00103 Anesthesia for procedure on eyelid	47	47	$1361.49	$85.62
00812 Anesthesia for exam of colon using an endoscope	26	26	$1039.15	$52.56
00811 Anesthesia for procedure on large bowel using an endoscope	23	23	$1016.70	$64.08
00910 Anesthesia for other procedure on urinary system through urethra	23	23	$1037.30	$64.84
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	23	22	$1112.87	$79.44
00145 Anesthesia for retinal surgery	17	16	$1672.94	$123.25
00912 Anesthesia for removal of urinary bladder tumors including use of an endoscope	16	15	$1530.63	$107.67
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	12	11	$1369.33	$88.53
00300 Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back	11	11	$1565.64	$103.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	38	38	$919.74	$65.52
00103 Anesthesia for procedure on eyelid	23	23	$1297.83	$94.51
00813 Anesthesia for procedure on small and large bowel using an endoscope	22	22	$1275.00	$92.77
00910 Anesthesia for other procedure on urinary system through urethra	19	19	$963.16	$70.06
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	19	19	$1097.37	$89.69
00914 Anesthesia for removal of prostate including use of an endoscope	13	13	$1500.00	$106.60
00812 Anesthesia for exam of colon using an endoscope	12	12	$1012.50	$65.23
00918 Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope	11	11	$1472.73	$118.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00740 Anesthesia for procedure on gastrointestinal tract using an endoscope	26	26	$1142.31	$92.53
00142 Anesthesia for lens surgery	25	25	$815.40	$58.63
00810 Anesthesia for procedure on lower intestine using an endoscope	19	19	$1101.32	$102.80
00914 Anesthesia for removal of prostate including use of an endoscope	13	13	$1485.00	$134.34
00910 Anesthesia for other procedure on urinary system through urethra	12	12	$821.25	$61.13
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	11	11	$330.00	$29.50
00103 Anesthesia for procedure on eyelid	11	11	$1116.82	$127.72

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License TX P4526

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

3138760-02 (TX)

Hospital & Practice Group Affiliations

Austin Anesthesiology Group Pllc

8140 N Mopac Expy, Austin, TX 787598862

Phone: 5123432292

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Denise Leger , RN

Nurse Anesthetist, Certified Registered

NPI 1003053349

Registered Nurse

Dr. Chelsea Gray , MD

Anesthesiology

NPI 1003134198

Doctor of Medicine (M.D.)

Carla Cherico , CRNA

Nurse Anesthetist, Certified Registered

NPI 1033153838

Certified Registered Nurse Anesthetist

Anastasia Nicholas , CRNA

Nurse Anesthetist, Certified Registered

NPI 1033160239

Certified Registered Nurse Anesthetist

Kevin Thompson , CRNA

Nurse Anesthetist, Certified Registered

NPI 1053789800

Certified Registered Nurse Anesthetist

Dr. George Miller , MD

Anesthesiology

NPI 1073555298

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active October 11, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location October 11, 2013

Registered at 8140 N MOPAC EXPY STE 3-210, AUSTIN, TX 787598862 (Tel: 5123436229)

📍

Updated Business Mailing Address October 11, 2013

Registered at 8140 N MOPAC EXPY STE 3-210, AUSTIN, TX 787598862 (Tel: 5123436229)

👤

Provider Name / Credentials Updated October 11, 2013

Recorded as SONDRA WALKER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 11, 2013

Anesthesiology (License #P4526 in TX)

🟢

Initial NPI Registration & Enumeration June 17, 2008

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1528228129

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 17, 2008

Last Update: October 11, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

8140 N Mopac Expy Ste 3-210

Austin, TX 787598862

Phone: 5123436229

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.