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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.

CHASSIDY ERIN GRIMES
NPI 1528527678
Colon & Rectal Surgery in Chicago, IL

Active since March 18, 2019PECOS Enrolled
1750 W HARRISON ST, CHICAGO, IL 60612(312) 942-7100 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 28, 2026, Mar 18, 2019 (2 updates tracked since 2019).

About Chassidy Erin Grimes NPPES

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

CHASSIDY ERIN GRIMES (NPI 1528527678) is an individual colon & rectal surgery provider in Chicago, Illinois, licensed in Florida (ME181333) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Ormond Beach, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2019).

NPPES Registry Identity

NPI1528527678
Entity TypeIndividualFemale
Primary Taxonomy208C00000X
Provider Legal NameCHASSIDY ERIN GRIMES
Location Address1750 W HARRISON STChicago, IL 60612-3825
Mailing Address770 W Granada Blvd Ste 101Ormond Beach, FL 32174-5179 · (386) 231-4519 · Fax (386) 368-8927
Phone(312) 942-7100
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2019
Enumeration DateMarch 18, 2019
Last NPPES UpdateSeptember 28, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1528527678 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in FL · ME181333
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1750 W HARRISON ST, Chicago, IL 60612
Open in Google Maps ↗

Secondary Practice Location 1

Location 1400 Clyde Morris Blvd Ste AOrmond Beach, FL 32174-8172 · Phone (386) 231-6500 · Fax (386) 231-6541

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Health First Commercial Plans, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chassidy Erin Grimes is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9638404676
PECOS Enrollment IDI20260826002504
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Chassidy Grimes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Florida Hospital Healthcare Partners, Inc
945 mi
Internal Medicine
301 MEMORIAL MEDICAL PKWY
Daytona Beach, FL 32117
  • Reassigned Medicare billing, Florida enrollment
  • 733 clinicians in this Medicare group
NPI 1780100529 (386) 231-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

SITARAM VENKATA CHIVUKULA
Student in an Organized Health Care Education/Training Program
1750 W HARRISON ST, SUITE 785
CHICAGO, IL 60612
Cook County (312) 942-6510
MS. AMY KRISTEEN WINSTON AU.D.
Audiologist
1750 W HARRISON ST, 203 SENN
CHICAGO, IL 60612
Cook County (312) 942-5332
DR. BRETT MICHAEL MAHON M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1750 W HARRISON ST, JELKE, SUITE 570
CHICAGO, IL 60612
Cook County (312) 942-5260
DR. MOHAMED RAFAT AKKAD WATTAR MD
Pathology (Anatomic Pathology & Clinical Pathology)
1750 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 942-5471
CHERYL ELISE HORNSBY MD
Surgery
1750 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 942-6510
DR. ANTON N DIETZEN M.D., D.C.
Physical Medicine & Rehabilitation (Pediatric Rehabilitation Medicine)
1750 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 942-6510
TALIB CHAUDHRY MD
Surgery
1750 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 942-6510
DR. LISA ANN PITELKA M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1750 W HARRISON ST, 570 JELKE, DEPARTMENT OF PATHOLOGY
CHICAGO, IL 60612
Cook County (312) 942-5260

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 Chassidy Grimes's NPI number?

The NPI number for Chassidy Grimes is 1528527678. It was assigned to this individual provider in the NPPES registry on March 18, 2019.

Where is Chassidy Grimes located?

Chassidy Grimes practices at 1750 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 942-7100.

What is Chassidy Grimes's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Chassidy Grimes enrolled in Medicare?

Yes. Chassidy Grimes is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Chassidy Grimes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chassidy Grimes reassigns Medicare benefits to Florida Hospital Healthcare Partners, Inc (Daytona Beach, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Chassidy Grimes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chassidy Grimes accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Health First Commercial Plans, Inc. list Chassidy Grimes as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Chassidy Grimes was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 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.