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Family Practice

Alexandra L. Pierret, MD

Works at hospitals in Farmington Hills, MI · Royal Oak, MI · Troy, MI · Michigan

Summary

Dr. Alexandra L. Pierret, MD is a family doctor at 3211 Coolidge Hwy, Berkley, MI 48072. Phone: (248) 629-6565. Accepts Medicare assignment. In 2024, Alexandra L. Pierret had 92 Original Medicare patients and 514 services. NPI 1376925131. 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 Alexandra L. Pierret, 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 Alexandra L. Pierret accept Medicare assignment?
Yes. Medicare's clinician data says Alexandra L. Pierret 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 Alexandra L. Pierret see?
In 2024, CMS data shows 92 Original Medicare patients and 514 services for Alexandra L. Pierret. This counts Original Medicare only and measures volume, not quality.
What is Alexandra L. Pierret's NPI number?
1376925131. 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 Alexandra L. Pierret, 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 patients92
Services billed to Medicare514
Different services or procedures23
Participating Medicare providerYes
Average age of these patients74

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)112 services
  2. Advance care planning, first 30 minutes (99497)78 services
  3. Insertion of needle into vein for collection of blood sample (36415)71 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)45 services
  5. Influenza vaccine split virus, preservative free (90662)27 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 cholesterol75%
  • High blood pressure70%
  • Chronic kidney disease48%
  • Arthritis47%
  • Ischemic heart disease33%
  • Diabetes21%

Hospitals where Alexandra L. Pierret works

Medicare's Facility Affiliation Data lists Alexandra L. Pierret 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.

  • Beaumont Hospital - Farmington HillsFarmington Hills, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230151
  • Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130
  • Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230269

Practice locations

Addresses where Alexandra L. Pierret is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Michigan →

Other family doctors in Berkley

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

All family doctors in Berkley →

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1376925131
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