Quick answers
- Does Julio C. Araujo accept Medicare assignment?
- Yes. Medicare's clinician data says Julio C. Araujo 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 Julio C. Araujo see?
- In 2024, CMS data shows 179 Original Medicare patients and 1,635 services for Julio C. Araujo. This counts Original Medicare only and measures volume, not quality.
- What is Julio C. Araujo's NPI number?
- 1053365023. 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 Julio C. Araujo, 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 | 179 |
|---|---|
| Services billed to Medicare | 1,635 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)361 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)278 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)191 services
- Insertion of needle into vein for collection of blood sample (36415)181 services
- Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)94 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%
- Chronic kidney disease75%
- Diabetes63%
- Ischemic heart disease53%
- Arthritis47%
Practice locations
Addresses where Julio C. Araujo is enrolled with Medicare (CMS data updated October 2, 2026).
- 18615 Tuscany Stone, Suite 170San Antonio, TX 78258 (210) 272‑0098
Group practices
Medicare enrollment lists Julio C. Araujo as a member of this group (CMS data updated October 2, 2026).
- R Stefan Kiesz MD PA3 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in R Stefan Kiesz MD PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053365023 |
| 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