Quick answers
- Does Michael W. Vermeulen accept Medicare assignment?
- Yes. Medicare's clinician data says Michael W. Vermeulen 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 Michael W. Vermeulen see?
- In 2024, CMS data shows 521 Original Medicare patients and 4,874 services for Michael W. Vermeulen. This counts Original Medicare only and measures volume, not quality.
- What is Michael W. Vermeulen's NPI number?
- 1407829872. 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 Michael W. Vermeulen, 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 | 521 |
|---|---|
| Services billed to Medicare | 4,874 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)764 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)748 services
- Blood test, comprehensive group of blood chemicals (80053)573 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)479 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)325 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%
- Arthritis46%
- Ischemic heart disease38%
- Chronic kidney disease36%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)36%
Hospitals where Michael W. Vermeulen works
Medicare's Facility Affiliation Data lists Michael W. Vermeulen 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.
- CHRISTUS Santa Rosa Hospital-San MarcosSan Marcos, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450272
- Guadalupe Regional Medical CenterSeguin, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450104
- Memorial HospitalGonzales, TX · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 450235
Practice locations
Addresses where Michael W. Vermeulen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1448 Common StNew Braunfels, TX 78130 (830) 643‑1762
- 2026 S Jackson StJacksonville, TX 75766 (903) 586‑2456
- 5206 Research DrSan Antonio, TX 78240 (210) 595‑5300
- 7848 Gateway Blvd EEl Paso, TX 79915 (915) 599‑1313
- PO Box, Suite 911242Dallas, TX 75391
Group practices
Medicare enrollment lists Michael W. Vermeulen as a member of this group (CMS data updated October 2, 2026).
- Texas Oncology PA1,014 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in New Braunfels
Clinicians with the same Medicare primary specialty in New Braunfels, TX — not a recommendation.
Other clinicians in Texas Oncology PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407829872 |
| 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