Quick answers
- Does Andrew N. Bowser accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew N. Bowser 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 Andrew N. Bowser see?
- In 2024, CMS data shows 509 Original Medicare patients and 1,434 services for Andrew N. Bowser. This counts Original Medicare only and measures volume, not quality.
- What is Andrew N. Bowser's NPI number?
- 1013950567. 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 Andrew N. Bowser, 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 | 509 |
|---|---|
| Services billed to Medicare | 1,434 |
| Different services or procedures | 97 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Ultrasound of both sides of head and neck blood flow (93880)173 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)143 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)126 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)105 services
- Telephone medical discussion with physician, 11-20 minutes (99442)93 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%
- Arthritis55%
- Ischemic heart disease46%
- Chronic kidney disease37%
- Diabetes35%
Hospitals where Andrew N. Bowser works
Medicare's Facility Affiliation Data lists Andrew N. Bowser 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
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450388
- Methodist Hospital Hill CountryFredericksburg, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450604
- Peterson Regional Medical CenterKerrville, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450007
- South Texas Spine and Surgical HospitalSan Antonio, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 450856
Practice locations
Addresses where Andrew N. Bowser is enrolled with Medicare (CMS data updated October 2, 2026).
- 1430 S Main St, Suite 111Boerne, TX 78006 (830) 868‑7800
Group practices
Medicare enrollment lists Andrew N. Bowser as a member of this group (CMS data updated October 2, 2026).
- South Texas Physician Group PLLC16 clinicians in the group
Specialties
- Vascular Surgeryprimary
- General Surgeryalso
Other vascular surgeons in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in South Texas Physician Group PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 (31 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) | 1013950567 |
| 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