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SPENCER M BROWN MD
NPI 1457916579
Surgery - Plastic and Reconstructive Surgery in Chicago, IL

Active since May 03, 2019PECOS EnrolledAccepts Medicare Assignment
1520 W HARRISON ST, CHICAGO, IL 60607(312) 563-3000 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 30, 2026, Jul 30, 2021, Apr 10, 2020 and 1 more (4 updates tracked since 2019).

About Spencer M Brown Md NPPES

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

SPENCER M BROWN MD (NPI 1457916579) is an individual plastic and reconstructive surgery provider in Chicago, Illinois, licensed in Illinois (036.180470) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2020).

NPPES Registry Identity

NPI1457916579
Entity TypeIndividualMale
Primary Taxonomy2086S0122X
Provider Legal NameSPENCER M BROWNCredential: MD
Location Address1520 W HARRISON STChicago, IL 60607-3106
Mailing Address1520 W Harrison StChicago, IL 60607-3106 · (312) 563-3000
Phone(312) 563-3000
Sole ProprietorYes
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2020
Enumeration DateMay 3, 2019
Last NPPES UpdateJuly 30, 20264 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
✔ NPI 1457916579 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Plastic and Reconstructive SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0122X
License✔ Licensed in IL · 036.180470
Definition
A surgeon who specializes in plastic and reconstructive surgery.
1520 W HARRISON ST, Chicago, IL 60607
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Spencer M Brown Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012330285
PECOS Enrollment IDI20260804001657
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 Reassignments

2

Medicare enrollment records show Spencer Brown reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rush Medical Group
0.1 mi
Internal Medicine
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 548 clinicians in this Medicare group
NPI 1467312850 (312) 942-5000
Rush University Medical Group
0.1 mi
Internal Medicine
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,169 clinicians in this Medicare group
NPI 1093819542 (312) 942-5000

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Rush University Medical Center

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140119
Location1653 West Congress ParkwayChicago, IL 60612 · Cook County
Emergency services Birthing friendly

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.

MR. JOSHUA BRYAN DUNN APRN
Nurse Practitioner (Acute Care)
1520 W HARRISON ST
CHICAGO, IL 60607
Cook County (312) 942-5904
ASHLEY CARYN P SISON CEP
Clinical Exercise Physiologist
1520 W HARRISON ST
CHICAGO, IL 60607
Cook County (312) 563-2531
PAIGE KAY PACHECO PA-C
Physician Assistant
1520 W HARRISON ST
CHICAGO, IL 60607
Cook County (312) 942-5861
JOSHUA LAM
Physical Medicine & Rehabilitation
1520 W HARRISON ST
CHICAGO, IL 60607
Cook County (312) 942-8905
MEGHAN BATTISTA MUELLER
Nurse Practitioner (Adult Health)
1520 W HARRISON ST
CHICAGO, IL 60607
Cook County (800) 226-2371
AMELIA EILENE MERCER RN, AGPCNP-BC
Nurse Practitioner
1520 W HARRISON ST
CHICAGO, IL 60607
Cook County (832) 492-7554
HIDAYA ALMAHDY HASSAN
Pharmacist
1520 W HARRISON ST
CHICAGO, IL 60607
Cook County (312) 942-3444
KATHLEEN RACHEL LOUIS-GRAY MD
Psychiatry & Neurology (Neurology)
1520 W HARRISON ST
CHICAGO, IL 60607
Cook County (800) 226-2371

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 Spencer Brown's NPI number?

The NPI number for Spencer Brown is 1457916579. It was assigned to this individual provider in the NPPES registry on May 3, 2019.

Where is Spencer Brown located?

Spencer Brown practices at 1520 W Harrison St, Chicago, IL 60607. The listed phone number is (312) 563-3000.

What is Spencer Brown's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Plastic and Reconstructive Surgery, with taxonomy code 2086S0122X.

Is Spencer Brown enrolled in Medicare?

Yes. Spencer Brown is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Spencer Brown's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Spencer Brown reassigns Medicare benefits to 2 organizations: Rush Medical Group (Chicago, IL) and Rush University Medical Group (Chicago, IL). Each 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 Spencer Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Spencer Brown accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Spencer Brown 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.

Is Spencer Brown affiliated with any hospitals?

According to CMS data, Spencer Brown is affiliated with Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Spencer Brown was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.