Quick answers
- Does William J. Graber Iv accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Graber Iv accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does William J. Graber Iv see?
- In 2024, CMS data shows 262 Original Medicare patients and 438 services for William J. Graber Iv. This counts Original Medicare only and measures volume, not quality.
- What is William J. Graber Iv's NPI number?
- 1700816428. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for William J. Graber Iv, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 262 |
|---|---|
| Services billed to Medicare | 438 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)74 services
- Insertion of stent in ureter using an endoscope (52332)49 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)31 services
- Crushing of stone of ureter with insertion of stent using an endoscope (52356)21 services
- New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)19 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)69%
- Arthritis49%
- Ischemic heart disease39%
- Chronic kidney disease39%
Practice locations
Addresses where William J. Graber Iv is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Fellowship DrConroe, TX 77384 (713) 563‑0050
- 2130 W Holcombe Blvd, Univ of Tx M D Ande Life Sciences PlazaHouston, TX 77030 (713) 592‑5433
- 9922 Louetta RdHouston, TX 77070 (713) 794‑5500
Group practices
Medicare enrollment lists William J. Graber Iv as a member of this group (CMS data updated October 2, 2026).
- Physicians Referral Service2,765 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Conroe
Clinicians with the same Medicare primary specialty in Conroe, TX — not a recommendation.
Other clinicians in Physicians Referral Service
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1700816428 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians