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

Physician Assistant

Shannon D. Ahrens, PA

Works at hospitals in Midland, MI · Ann Arbor, MI · Michigan

Summary

Shannon D. Ahrens, PA is a physician assistant at 2711 W Wackerly St, Midland, MI 48640. Phone: (989) 837-6868. Accepts Medicare assignment. In 2024, Shannon D. Ahrens had 837 Original Medicare patients and 3,283 services. NPI 1932139367. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Shannon D. Ahrens, 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 Shannon D. Ahrens accept Medicare assignment?
Yes. Medicare's clinician data says Shannon D. Ahrens 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 Shannon D. Ahrens see?
In 2024, CMS data shows 837 Original Medicare patients and 3,283 services for Shannon D. Ahrens. This counts Original Medicare only and measures volume, not quality.
What is Shannon D. Ahrens's NPI number?
1932139367. 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 Shannon D. Ahrens, 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 patients837
Services billed to Medicare3,283
Different services or procedures37
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)1,440 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)622 services
  3. Destruction of precancer skin growth, 1 growth (17000)418 services
  4. Biopsy of related skin growth, first growth (11102)165 services
  5. Destruction of skin growth, 1-14 growths (17110)135 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 cholesterol72%
  • High blood pressure69%
  • Arthritis46%
  • Diabetes25%
  • Ischemic heart disease23%
  • Anxiety20%

Hospitals where Shannon D. Ahrens works

Medicare's Facility Affiliation Data lists Shannon D. Ahrens 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.

Practice locations

Addresses where Shannon D. Ahrens is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shannon D. Ahrens as a member of this group (CMS data updated October 2, 2026).

  • Jennifer Nash MD Dermatology Associates of Midland, PLC5 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Michigan →

Other physician assistants in Midland

Clinicians with the same Medicare primary specialty in Midland, MI — not a recommendation.

All physician assistants in Midland →

Other clinicians in Jennifer Nash MD Dermatology Associates of Midland, PLC

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

Clinician information

CredentialPA
Graduation year2004
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932139367
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