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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CRISTEN FLEWELLEN MD
NPI 1811837867
Family Medicine in Grayslake, IL

Active since March 30, 2026
1475 E BELVIDERE RD UNIT 385, GRAYSLAKE, IL 60030(847) 535-7157 Get Directions Write a Review

NPPES record last updated: June 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Cristen Flewellen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CRISTEN FLEWELLEN MD (NPI 1811837867) is an individual family medicine provider in Grayslake, Illinois, licensed in Illinois (125.088116) and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1811837867
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameCRISTEN FLEWELLENCredential: MD
Location Address1475 E BELVIDERE RD UNIT 385Grayslake, IL 60030-2026
Mailing Address1475 E Belvidere Rd Unit 385Grayslake, IL 60030-2026 · (847) 535-7157
Phone(847) 535-7157
Sole ProprietorNo
Enumeration DateMarch 30, 2026
Last NPPES UpdateJune 10, 2026
NPPES CertifiedJune 10, 2026
✔ NPI 1811837867 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 125.088116
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1475 E BELVIDERE RD UNIT 385, Grayslake, IL 60030
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RICHARD R. CLARK M.D.
Family Medicine
1475 E BELVIDERE RD UNIT 385
GRAYSLAKE, IL 60030
Lake County (847) 535-8000
OSCAR CASTRO MD
Family Medicine
1475 E BELVIDERE RD UNIT 385
GRAYSLAKE, IL 60030
Lake County (847) 535-7157
GRACIA GILREATH
Student in an Organized Health Care Education/Training Program
1475 E BELVIDERE RD UNIT 385
GRAYSLAKE, IL 60030
Lake County (847) 535-7157
ALAIN PIERRE-LOUIS MD, MA
Family Medicine
1475 E BELVIDERE RD UNIT 385
GRAYSLAKE, IL 60030
Lake County (847) 535-7157
GIAN CARLOS VILLAGOMEZ
Student in an Organized Health Care Education/Training Program
1475 E BELVIDERE RD UNIT 385
GRAYSLAKE, IL 60030
Lake County (847) 535-7157
RACHEL JEAN BERNARDO DO
Family Medicine
1475 E BELVIDERE RD UNIT 385
GRAYSLAKE, IL 60030
Lake County (847) 535-7157
BRIAN SALCEDO DO
Student in an Organized Health Care Education/Training Program
1475 E BELVIDERE RD UNIT 385
GRAYSLAKE, IL 60030
Lake County (847) 535-7157
ALLISON STICKNEY
Student in an Organized Health Care Education/Training Program
1475 E BELVIDERE RD UNIT 385
GRAYSLAKE, IL 60030
Lake County (847) 535-7157

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cristen Flewellen's NPI number?

The NPI number for Cristen Flewellen is 1811837867. It was assigned to this individual provider in the NPPES registry on March 30, 2026.

Where is Cristen Flewellen located?

Cristen Flewellen practices at 1475 E Belvidere Rd Unit 385, Grayslake, IL 60030. The listed phone number is (847) 535-7157.

What is Cristen Flewellen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Cristen Flewellen was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.