Quick answers
- Does John P. McGrael accept Medicare assignment?
- Yes. Medicare's clinician data says John P. McGrael 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 John P. McGrael see?
- In 2024, CMS data shows 1,002 Original Medicare patients and 11,943 services for John P. McGrael. This counts Original Medicare only and measures volume, not quality.
- What is John P. McGrael's NPI number?
- 1972581932. 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 John P. McGrael, 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 | 1,002 |
|---|---|
| Services billed to Medicare | 11,943 |
| Different services or procedures | 60 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Bcg live intravesical instillation, 1 mg (J9030)5,050 services
- Manual urinalysis test with examination using microscope, automated (81001)1,740 services
- Ultrasound measurement of bladder capacity after voiding (51798)1,214 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)716 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)510 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%
- Arthritis50%
- Ischemic heart disease45%
- Diabetes37%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)28%
Hospitals where John P. McGrael works
Medicare's Facility Affiliation Data lists John P. McGrael at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baylor Scott and White Surgical Hospital at ShermaSherman, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 670076
- Texoma Medical CenterDenison, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450324
Practice locations
Addresses where John P. McGrael is enrolled with Medicare (CMS data updated October 2, 2026).
- 3305 N Calais Dr, Suite 100Sherman, TX 75090 (903) 548‑0011
Specialties
- Urologyprimary
Other urologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 1982 (44 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972581932 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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