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Physician Assistant

Rachel A. Buchek

Works at hospitals in Lake Forest, IL · Illinois

Summary

Rachel A. Buchek is a physician assistant at 1000 N Westmoreland Rd, Pavillion B 3rd Fl, Lake Forest, IL 60045. Phone: (847) 535-8500. Accepts Medicare assignment. In 2024, Rachel A. Buchek had 169 Original Medicare patients and 613 services. NPI 1679956866. 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: Physician assistant
  • Address: 1000 N Westmoreland Rd, Pavillion B 3rd Fl, Lake Forest, IL 60045 · Directions (4 more locations)
  • Phone: (847) 535‑8500
  • Medicare: Accepts Medicare assignment
  • Hospital: Northwestern Lake Forest Hospital
  • Group practice: Northwestern Medical Faculty Foundation
  • School: Rush Medical College Of Rush University · graduated 2015
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rachel A. Buchek, 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 Rachel A. Buchek accept Medicare assignment?
Yes. Medicare's clinician data says Rachel A. Buchek 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 Rachel A. Buchek see?
In 2024, CMS data shows 169 Original Medicare patients and 613 services for Rachel A. Buchek. This counts Original Medicare only and measures volume, not quality.
What is Rachel A. Buchek's NPI number?
1679956866. 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 Rachel A. Buchek, 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 patients169
Services billed to Medicare613
Different services or procedures14
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (G0316)283 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)207 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)45 services
  4. Hospital discharge day management, more than 30 minutes (99239)42 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%
  • Arthritis59%
  • Ischemic heart disease59%
  • Chronic kidney disease46%
  • Heart failure44%

Hospitals where Rachel A. Buchek works

Medicare's Facility Affiliation Data lists Rachel A. Buchek 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 Rachel A. Buchek is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rachel A. Buchek as a member of this group (CMS data updated October 2, 2026).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Illinois →

Other physician assistants in Lake Forest

Clinicians with the same Medicare primary specialty in Lake Forest, IL — not a recommendation.

All physician assistants in Lake Forest →

Other clinicians in Northwestern Medical Faculty Foundation

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

Clinician information

SchoolRush Medical College Of Rush University
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679956866
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