Active NPI 1073566709 Individual Practitioner Male Practitioner

Dr. John Charles Williamson , MD

Urology • Austin, TX

Professional Overview & Biography Verified Profile Summary

Dr. John Williamson, MD is a registered healthcare professional specializing in Urology in Austin, TX. Practice services are available at 4007 JAMES CASEY ST under active NPI credentials.

Frequently performed procedures and clinical services include chronic care management services, first, established patient outpatient office visit, ultrasound measurement of bladder capacity after voiding. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4007 James Casey St
C150

Austin, TX 787453369

Telephone 5124435988

Fax 5124435055

Associated Practice Facility / Clinic

🏢 Pediatrics Of South Austin, P.a. Facility NPI 1811968332

Specialty Benchmarks & Practice Insights

Comparative analytics for Urology in Austin, TX

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 23.0 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

44 Specialists

Practicing in Austin, TX (1027 Statewide)

Telehealth Adoption Rate

59.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

46.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	262	76	$55.90	$41.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	139	106	$249.00	$132.51
99213 Established patient office or other outpatient visit, typically 15 minutes	124	108	$168.00	$92.17
51798 Ultrasound measurement of bladder capacity after voiding	86	78	$44.00	$10.86
36415 Insertion of needle into vein for collection of blood sample	86	82	$15.00	$2.97
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	56	44	$55.00	$38.32
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	21	$101.00	$58.18
52000 Diagnostic exam of bladder and urethra using an endoscope	16	16	$477.00	$250.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	922	165	$55.90	$42.61
81001 Manual urinalysis test with examination using microscope, automated	545	335	$10.00	$3.15
99213 Established patient office or other outpatient visit, typically 15 minutes	337	256	$168.00	$76.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	319	225	$249.00	$111.17
51798 Ultrasound measurement of bladder capacity after voiding	246	192	$44.00	$10.83
G2058 Chronic care management services, each additional 20 minutes of clinical staff time directed by a physician or other qualified health care professional, per calendar month (list separately in addition to code for primary procedure). (do not report g2058 fo	236	115	$55.00	$38.53
36415 Insertion of needle into vein for collection of blood sample	223	202	$15.00	$2.99
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	90	13	$1450.00	$223.86
52000 Diagnostic exam of bladder and urethra using an endoscope	67	59	$477.00	$221.57
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	64	64	$380.00	$168.36
99443 Telephone medical discussion with physician, 21-30 minutes	42	39	$464.00	$112.37
51700 Simple bladder irrigation and/or instillation	29	21	$194.00	$77.36
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	23	$101.00	$46.92
81003 Automated urinalysis test	19	19	$7.00	$2.24
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	16	13	$76.00	$33.07
J1580 Injection, garamycin, gentamicin, up to 80 mg	15	11	$5.00	$1.91
51741 Electronic assessment of bladder emptying	13	12	$34.38	$13.23
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	13	13	$1974.00	$755.71
55700 Biopsy of prostate gland	12	12	$508.00	$260.85
76872 Ultrasound scan of pelvic region through rectum	11	11	$220.00	$152.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
81001 Manual urinalysis test with examination using microscope, automated	741	426	$10.00	$3.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	477	305	$249.00	$109.04
99213 Established patient office or other outpatient visit, typically 15 minutes	311	237	$168.00	$74.47
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	295	104	$88.19	$41.94
51798 Ultrasound measurement of bladder capacity after voiding	270	204	$44.00	$13.09
36415 Insertion of needle into vein for collection of blood sample	174	160	$15.00	$2.91
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	107	107	$380.00	$164.43
52000 Diagnostic exam of bladder and urethra using an endoscope	73	65	$477.00	$192.46
81003 Automated urinalysis test	45	40	$7.00	$2.44
J0696 Injection, ceftriaxone sodium, per 250 mg	44	11	$3.00	$0.60
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	33	23	$59.00	$16.97
87210 Smear for infectious agents	23	22	$13.00	$5.70
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	19	$101.00	$44.67
51700 Simple bladder irrigation and/or instillation	18	15	$194.00	$76.53
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	17	12	$76.00	$31.60
55700 Biopsy of prostate gland	17	17	$508.00	$255.99
76872 Ultrasound scan of pelvic region through rectum	17	17	$220.00	$131.60
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	17	17	$140.00	$57.99
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	13	13	$1974.00	$747.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,584	16	$0.50	$0.12
81001 Manual urinalysis test with examination using microscope, automated	788	446	$10.00	$3.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	519	341	$249.00	$106.19
51798 Ultrasound measurement of bladder capacity after voiding	333	234	$44.00	$16.08
99213 Established patient office or other outpatient visit, typically 15 minutes	300	238	$168.00	$71.98
36415 Insertion of needle into vein for collection of blood sample	253	229	$15.00	$2.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	122	122	$380.00	$163.49
52000 Diagnostic exam of bladder and urethra using an endoscope	104	94	$477.00	$167.55
81003 Automated urinalysis test	40	40	$7.00	$2.71
51700 Simple bladder irrigation and/or instillation	36	28	$194.00	$74.29
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes	35	14	$75.00	$24.64
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes	34	11	$82.00	$29.46
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	21	$101.00	$44.19
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	22	22	$1974.00	$741.03
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	21	19	$336.00	$140.12
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	16	16	$59.00	$19.47
51701 Insertion of temporary bladder tube	16	16	$127.00	$47.89
50590 Shock wave crushing of kidney stones	14	13	$1681.00	$578.01
52332 Insertion of stent in urinary duct (ureter) using an endoscope	14	11	$1145.00	$141.45
74178 Ct scan of abdomen and pelvis before and after contrast	14	14	$588.00	$253.71
76857 Limited ultrasound scan of pelvis	13	13	$110.00	$49.36
87210 Smear for infectious agents	13	13	$13.00	$5.70
55700 Biopsy of prostate gland	12	12	$508.00	$235.05
76872 Ultrasound scan of pelvic region through rectum	12	12	$220.00	$98.66
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	11	11	$140.00	$60.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
81001 Manual urinalysis test with examination using microscope, automated	650	388	$10.00	$4.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	434	299	$249.00	$105.92
36415 Insertion of needle into vein for collection of blood sample	260	239	$15.00	$2.87
99213 Established patient office or other outpatient visit, typically 15 minutes	258	208	$168.00	$72.64
51798 Ultrasound measurement of bladder capacity after voiding	251	202	$44.00	$19.51
52000 Diagnostic exam of bladder and urethra using an endoscope	86	73	$477.00	$162.79
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	83	83	$380.00	$161.85
51700 Simple bladder irrigation and/or instillation	33	26	$194.00	$66.12
76872 Ultrasound scan of pelvic region through rectum	24	23	$220.00	$96.49
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	22	21	$140.00	$60.75
J1580 Injection, garamycin, gentamicin, up to 80 mg	21	11	$5.00	$1.51
55700 Biopsy of prostate gland	21	21	$508.00	$250.23
81003 Automated urinalysis test	20	19	$7.00	$3.02
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	19	19	$59.00	$25.72
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	18	$101.00	$43.66
51701 Insertion of temporary bladder tube	17	17	$127.00	$47.71
51741 Electronic assessment of bladder emptying	15	12	$34.73	$12.77
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	12	$336.00	$144.21
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	12	$468.00	$201.08
87210 Smear for infectious agents	12	12	$13.00	$5.74

Medical Specialties & State Licenses

Urology Primary Specialty

NUCC Taxonomy Code: 208800000X

State License TX E6690

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

114581504 (TX)

Practice Associates & Co-Workers

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

18 Associated Practitioners

Dr. Errin Delperdang , PT, DPT

Physical Therapist

NPI 1124638903

Physical Therapist, Doctor of Physical Therapy

Dr. Cindy Altonburg , DNP, APRN, FNP-C

Nurse Practitioner - Family

NPI 1124722582

Doctor of Nursing Practice, Advanced Practice Registered Nurse, Family Nurse Practitioner (Certified)

Dr. Bethany Burge , MD

Urology

NPI 1205135944

Doctor of Medicine (M.D.)

Brandy Morrison , FNP-C

Nurse Practitioner - Family

NPI 1285335711

Family Nurse Practitioner (Certified)

Dr. Edward Osterberg , MD

Urology

NPI 1477795458

Doctor of Medicine (M.D.)

Dr. Peter Ruff , MD

Urology

NPI 1487646790

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 July 31, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location July 31, 2013

Registered at 4007 JAMES CASEY ST, C150, AUSTIN, TX 787453369 (Tel: 5124435988)

📍

Updated Business Mailing Address July 31, 2013

Registered at 1020 W 34TH ST, AUSTIN, TX 787052009 (Tel: 5126871950)

👤

Provider Name / Credentials Updated July 31, 2013

Recorded as JOHN WILLIAMSON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 31, 2013

Urology (License #E6690 in TX)

🟢

Initial NPI Registration & Enumeration May 17, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1073566709

Entity Type:

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

Enumeration Date: May 17, 2006

Last Update: July 31, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1020 W 34th St

Austin, TX 787052009

Phone: 5126871950

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.