Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Alexis R. Wahlen, NP

Works at hospitals in San Antonio, TX · Texas

Summary

Alexis R. Wahlen, NP is a nurse practitioner at 4499 Medical Dr, Suite 166, San Antonio, TX 78229. Phone: (210) 575-8485. Accepts Medicare assignment. In 2024, Alexis R. Wahlen had 134 Original Medicare patients and 219 services. NPI 1194303784. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 4499 Medical Dr, Suite 166, San Antonio, TX 78229 · Directions
  • Phone: (210) 575‑8485
  • Medicare: Accepts Medicare assignment
  • Hospital: Methodist Hospital
  • Group practice: Methodist Physician Practices PLLC
  • School: graduated 2020
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Alexis R. Wahlen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Alexis R. Wahlen accept Medicare assignment?
Yes. Medicare's clinician data says Alexis R. Wahlen 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 Alexis R. Wahlen see?
In 2024, CMS data shows 134 Original Medicare patients and 219 services for Alexis R. Wahlen. This counts Original Medicare only and measures volume, not quality.
What is Alexis R. Wahlen's NPI number?
1194303784. 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 Alexis R. Wahlen, 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 patients134
Services billed to Medicare219
Different services or procedures5
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)111 services
  2. Remote monitoring of pulmonary artery pressure sensor, up to 30 days (93264)61 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)37 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%
  • Ischemic heart disease75%
  • Heart failure75%
  • Chronic kidney disease72%
  • Diabetes63%

Hospitals where Alexis R. Wahlen works

Medicare's Facility Affiliation Data lists Alexis R. Wahlen 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.

  • Methodist HospitalSan Antonio, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450388

Practice locations

Addresses where Alexis R. Wahlen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alexis R. Wahlen as a member of this group (CMS data updated October 2, 2026).

  • Methodist Physician Practices PLLC175 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Texas →

Other nurse practitioners in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All nurse practitioners in San Antonio →

Other clinicians in Methodist Physician Practices PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194303784
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians