Quick answers
- Does Walter Walthall Iv accept Medicare assignment?
- Yes. Medicare's clinician data says Walter Walthall 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 Walter Walthall Iv see?
- In 2024, CMS data shows 416 Original Medicare patients and 1,897 services for Walter Walthall Iv. This counts Original Medicare only and measures volume, not quality.
- What is Walter Walthall Iv's NPI number?
- 1750460317. 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 Walter Walthall 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 | 416 |
|---|---|
| Services billed to Medicare | 1,897 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)432 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)331 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)289 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)182 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)163 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%
- Arthritis39%
- Diabetes30%
- Chronic kidney disease25%
- Ischemic heart disease24%
Hospitals where Walter Walthall Iv works
Medicare's Facility Affiliation Data lists Walter Walthall Iv 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.
- Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450058
Practice locations
Addresses where Walter Walthall Iv is enrolled with Medicare (CMS data updated October 2, 2026).
- 1919 Oakwell Farms Pkwy, Suite 120San Antonio, TX 78218 (210) 982‑6886
- 3338 Oakwell Ct, Suite 107San Antonio, TX 78218 (210) 822‑3646
Group practices
Medicare enrollment lists Walter Walthall Iv as a member of this group (CMS data updated October 2, 2026).
- North San Antonio Healthcare Associates9 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in North San Antonio Healthcare Associates
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750460317 |
| 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