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

Nurse Practitioner

Jennifer R. Brown, NP

Works at hospitals in Lake Forest, IL · Winfield, IL · McHenry, IL · Illinois

Summary

Jennifer R. Brown, NP is a nurse practitioner at 360 Station Dr, Suite 300, Crystal Lake, IL 60014. Phone: (312) 695-0870. Accepts Medicare assignment. In 2024, Jennifer R. Brown had 325 Original Medicare patients and 525 services. NPI 1750535449. 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 Jennifer R. Brown, 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 Jennifer R. Brown accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer R. Brown 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 Jennifer R. Brown see?
In 2024, CMS data shows 325 Original Medicare patients and 525 services for Jennifer R. Brown. This counts Original Medicare only and measures volume, not quality.
What is Jennifer R. Brown's NPI number?
1750535449. 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 Jennifer R. Brown, 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 patients325
Services billed to Medicare525
Different services or procedures10
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)238 services
  2. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)91 services
  3. Telephone medical discussion with physician, 5-10 minutes (99441)60 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)42 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)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%
  • Arthritis75%
  • Ischemic heart disease33%
  • Anxiety32%
  • Diabetes26%

Hospitals where Jennifer R. Brown works

Medicare's Facility Affiliation Data lists Jennifer R. Brown 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 Jennifer R. Brown is enrolled with Medicare (CMS data updated October 2, 2026).

  • 360 Station Dr, Suite 300Crystal Lake, IL 60014
  • 515 Valley View Dr, Suite 201Moline, IL 61265 (312) 695‑0870
  • 660 N Westmoreland Rd, 302 Lake Forest ObgynLake Forest, IL 60045 (312) 926‑6146
  • 675 N Saint Clair StChicago, IL 60611
  • 675 N St ClairChicago, IL 60611

Group practices

Medicare enrollment lists Jennifer R. Brown 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: Nurse Practitioner, Illinois →

Other nurse practitioners in Crystal Lake

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

All nurse practitioners in Crystal Lake →

Other clinicians in Northwestern Medical Faculty Foundation

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

Clinician information

CredentialNP
Graduation year2001
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1750535449
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