Active NPI 1316940372 Individual Practitioner Male Practitioner

Dr. Donald L. Willis , MD

Urology • San Marcos, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Donald Willis, MD is a certified Urology practicing in San Marcos, TX. With approximately 43 years of clinical experience since graduating from University Of Texas Medical Branch At Galveston in 1983, Dr. Willis delivers high-quality medical care to the local community at 1601 REDWOOD RD.

Dr. Willis accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, leuprolide acetate (for depot suspension), 7.5 mg, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1601 Redwood Rd
Ste A

San Marcos, TX 786661423

Telephone 5123964400

Fax 5123964403

Medicare Profile & Education

Medical School

University Of Texas Medical Branch At Galveston

Graduation Year

1983

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Urology in San Marcos, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

43 Yrs Matches City Avg

City Avg: 43.0 Yrs

State Avg: 25.2 Yrs

Regional Practice Density

1 Specialists

Practicing in San Marcos, TX (1027 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

31.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Willis (43 Years) 43 Yrs

San Marcos Specialty Average (43.0 Years) 43.0 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
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	243	170	$220.25	$165.65
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	132	13	$300.00	$177.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	119	104	$162.69	$117.80
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	68	68	$259.41	$202.94
52000 Diagnostic exam of bladder and urethra using an endoscope	60	52	$361.67	$215.84
99213 Established patient office or other outpatient visit, typically 15 minutes	23	23	$113.48	$84.23
76856 Complete ultrasound scan of pelvis	20	18	$140.00	$94.84
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	11	11	$71.82	$50.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	200	152	$145.20	$122.58
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	193	136	$194.48	$171.45
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	105	12	$300.00	$170.89
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	86	86	$225.01	$210.58
52000 Diagnostic exam of bladder and urethra using an endoscope	63	59	$265.48	$229.88
99213 Established patient office or other outpatient visit, typically 15 minutes	25	24	$97.60	$86.61
76856 Complete ultrasound scan of pelvis	25	17	$120.00	$101.63
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	15	15	$170.00	$55.92
55700 Biopsy of prostate gland	15	15	$258.00	$230.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	191	156	$140.81	$124.03
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	134	113	$190.19	$174.53
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	132	16	$300.00	$174.12
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	101	101	$225.00	$213.15
52000 Diagnostic exam of bladder and urethra using an endoscope	76	70	$265.00	$238.96
99213 Established patient office or other outpatient visit, typically 15 minutes	32	30	$95.16	$87.58
76856 Complete ultrasound scan of pelvis	26	23	$120.00	$104.53
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	13	12	$30.00	$29.59
55700 Biopsy of prostate gland	12	12	$258.00	$235.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	198	164	$133.08	$123.67
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	190	18	$300.00	$176.28
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	136	99	$184.89	$173.07
52000 Diagnostic exam of bladder and urethra using an endoscope	78	70	$263.08	$230.46
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	64	64	$222.81	$215.69
99213 Established patient office or other outpatient visit, typically 15 minutes	57	54	$95.18	$89.05
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	25	15	$30.00	$30.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$178.33	$163.39
76872 Ultrasound scan of pelvic region through rectum	21	21	$170.00	$136.65
55700 Biopsy of prostate gland	21	21	$258.00	$245.22
76856 Complete ultrasound scan of pelvis	15	13	$120.00	$107.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	173	146	$119.68	$102.18
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	162	18	$298.46	$223.51
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	113	91	$153.05	$137.27
99213 Established patient office or other outpatient visit, typically 15 minutes	72	68	$95.04	$70.31
52000 Diagnostic exam of bladder and urethra using an endoscope	62	55	$247.18	$197.24
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	41	41	$218.29	$194.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$176.67	$154.23
81002 Urinalysis, manual test	27	27	$5.00	$3.42
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	21	15	$30.76	$28.70
55700 Biopsy of prostate gland	16	16	$258.00	$234.02
76872 Ultrasound scan of pelvic region through rectum	12	12	$170.00	$133.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
81002 Urinalysis, manual test	481	338	$5.00	$3.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	220	179	$129.01	$101.33
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	198	18	$300.00	$225.41
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	104	93	$173.22	$135.93
99213 Established patient office or other outpatient visit, typically 15 minutes	98	86	$89.36	$69.27
52000 Diagnostic exam of bladder and urethra using an endoscope	88	78	$199.94	$175.89
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	85	85	$214.65	$193.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$168.46	$153.04
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	20	$67.00	$42.14
76856 Complete ultrasound scan of pelvis	18	17	$114.72	$100.80
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	16	11	$30.00	$28.37
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$232.27	$184.37
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	11	11	$801.36	$685.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
81002 Urinalysis, manual test	491	327	$5.13	$3.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	252	199	$102.70	$98.14
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	162	17	$300.00	$212.72
99213 Established patient office or other outpatient visit, typically 15 minutes	144	122	$69.34	$66.43
52000 Diagnostic exam of bladder and urethra using an endoscope	88	76	$173.68	$150.85
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	64	55	$142.77	$131.97
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	59	59	$211.49	$188.75
76856 Complete ultrasound scan of pelvis	42	25	$114.86	$99.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$163.45	$149.78
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	18	$55.00	$39.86
76872 Ultrasound scan of pelvic region through rectum	14	14	$108.43	$87.34
55700 Biopsy of prostate gland	14	14	$256.00	$227.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
81000 Manual urinalysis test with examination using microscope, non-automated	507	346	$7.26	$4.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	213	155	$114.75	$96.29
99213 Established patient office or other outpatient visit, typically 15 minutes	173	146	$93.90	$65.46
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	138	16	$300.00	$209.80
52000 Diagnostic exam of bladder and urethra using an endoscope	92	85	$216.91	$146.81
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	58	54	$155.78	$123.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	46	46	$189.67	$147.28
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	40	40	$54.48	$38.01
81002 Urinalysis, manual test	37	35	$5.00	$3.43
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	34	34	$249.65	$180.74
76856 Complete ultrasound scan of pelvis	26	22	$120.15	$98.02
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	20	15	$43.50	$28.61
50590 Shock wave crushing of kidney stones	16	14	$670.31	$521.96
52601 Electro-removal of prostate through bladder canal (urethra) with control of bleeding using an endoscope	14	14	$850.00	$778.85
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$130.00	$96.76
55700 Biopsy of prostate gland	11	11	$256.36	$221.41

Medical Specialties & State Licenses

Urology Primary Specialty

NUCC Taxonomy Code: 208800000X

State License TX G5783

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.

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Paul Jennings , MD

Orthopaedic Surgery

NPI 1205985942

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 06, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location July 06, 2010

Registered at 1601 REDWOOD RD, STE A, SAN MARCOS, TX 786661423 (Tel: 5123964400)

📍

Updated Business Mailing Address July 06, 2010

Registered at 1601 REDWOOD RD, STE A, SAN MARCOS, TX 786661423 (Tel: 5123964400)

👤

Provider Name / Credentials Updated July 06, 2010

Recorded as DONALD WILLIS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 06, 2010

Urology (License #G5783 in TX)

🟢

Initial NPI Registration & Enumeration May 24, 2005

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: 1316940372

Entity Type:

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

Enumeration Date: May 24, 2005

Last Update: July 06, 2010

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

1601 Redwood Rd, Ste A

San Marcos, TX 786661423

Phone: 5123964400

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.