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DONALD L. WILLIS M.D.
NPI 1316940372
Urology in San Marcos, TX

Active since May 24, 2005PECOS EnrolledAccepts Medicare Assignment
0/100
CMS Quality Rating
1601 REDWOOD RD, STE A, SAN MARCOS, TX 78666(512) 396-4400(512) 396-4403 Get Directions Write a Review

NPPES record last updated: July 6, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Donald L. Willis M.d. NPPES

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

DONALD L. WILLIS M.D. (NPI 1316940372) is an individual urology provider in San Marcos, Texas, licensed in Texas (G5783) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Christus Santa Rosa Hospital-san Marcos, and is a graduate of University Of Texas Medical Branch At Galveston (1983).

NPPES Registry Identity

NPI1316940372
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameDONALD L. WILLISCredential: M.D.
Location Address1601 REDWOOD RD, STE ASan Marcos, TX 78666-1423
Mailing Address1601 Redwood Rd, Ste ASan Marcos, TX 78666-1423 · (512) 396-4400 · Fax (512) 396-4403
Phone(512) 396-4400
Fax(512) 396-4403
Sole ProprietorYes
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1983
Enumeration DateMay 24, 2005
Last NPPES UpdateJuly 6, 2010
✔ NPI 1316940372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License✔ Licensed in TX · G5783
Definition
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.
1601 REDWOOD RD, San Marcos, TX 78666
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type Unspecified00B09HTX
Medicare UPIN2323595TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Donald L. Willis M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698802429
PECOS Enrollment IDI20100826000183
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
243 services170 patients
Leuprolide acetate (for depot suspension), 7.5 mg J9217
Leuprolide acetate is a medication that helps regulate certain hormone levels in your body. It's injected into your muscle once a month. This treatment can help manage various health conditions related to hormone imbalance. Always follow your doctor's instructions.
132 services13 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
119 services104 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
68 services68 patients
Diagnostic exam of bladder and urethra using an endoscope 52000
This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.
60 services52 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
23 services23 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus Santa Rosa Hospital-San Marcos

Acute Care Hospitals · San Marcos, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450272
Location1301 Wonder World DriveSan Marcos, TX 78666 · Hays County
Emergency services Birthing friendly

Children's Hospital Of San Antonio

Childrens · San Antonio, TX
OwnershipVoluntary non-profit - Church
CMS Certification Number453315
Location333 N Santa Rosa StSan Antonio, TX 78207 · Bexar County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78666 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
2 suppliers17 claims2,630 services$1.75 avg. paid by Medicare
Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
3 suppliers11 claims18 services$7.95 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PAUL ERNEST JENNINGS M.D.
Orthopaedic Surgery
1601 REDWOOD RD, STE C
SAN MARCOS, TX 78666
Hays County (512) 353-8661

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 Donald Willis's NPI number?

The NPI number for Donald Willis is 1316940372. It was assigned to this individual provider in the NPPES registry on May 24, 2005.

Where is Donald Willis located?

Donald Willis practices at 1601 Redwood Rd Ste A, San Marcos, TX 78666. The listed phone number is (512) 396-4400.

What is Donald Willis's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Donald Willis enrolled in Medicare?

Yes. Donald Willis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Donald Willis accept?

Health plans from Blue Cross and Blue Shield of Texas list Donald Willis 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.

Is Donald Willis affiliated with any hospitals?

According to CMS data, Donald Willis is affiliated with Christus Santa Rosa Hospital-San Marcos and Children's Hospital Of San Antonio.

When was this NPI record last updated?

The NPPES record for Donald Willis was last updated on July 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.