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BRIAN ROBERT BUSH MD
NPI 1427585272
Emergency Medicine in Boston, MA

Active since May 11, 2017PECOS EnrolledAccepts Medicare Assignment
75 FRANCIS ST, BOSTON, MA 02115(617) 732-5500 Get Directions Write a Review

NPPES record last updated: March 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 21, 2025, Sep 3, 2022, Mar 7, 2022 and 3 more (6 updates tracked since 2017).

About Brian Robert Bush Md NPPES

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

BRIAN ROBERT BUSH MD (NPI 1427585272) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Illinois (036152050) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1427585272
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameBRIAN ROBERT BUSHCredential: MD
Location Address75 FRANCIS STBoston, MA 02115-6110
Mailing Address75 Francis St Fl 1Boston, MA 02115-6106
Phone(617) 732-5500
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2017
Enumeration DateMay 11, 2017
Last NPPES UpdateMarch 21, 20256 updates tracked since enumeration
NPPES CertifiedMarch 21, 2025
✔ NPI 1427585272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IL · 036152050
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedEmergency Medicine · Medical ToxicologyTaxonomy 207PT0002X · License 036152050 (IL)
75 FRANCIS ST, Boston, MA 02115
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Secondary Practice Locations 3

Location 11740 W Taylor StChicago, IL 60612 · Phone (866) 600-2273
Location 21969 W Ogden AveChicago, IL 60612-3765 · Phone (312) 864-0516
Location 35841 S Maryland Ave, MC 5068Chicago, IL 60637-1447 · Phone (773) 795-9758 · Fax (773) 702-3135

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

Brian Robert Bush 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 ID5294004917
PECOS Enrollment IDI20200727000631
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

5

Medicare enrollment records show Brian Bush reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Brigham & Womens Physicians Organization Inc
Same address
Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
NPI 1033535497 (617) 732-5500
Cook County
848 mi
Primary Care
6337 S WOODLAWN AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 1,047 clinicians in this Medicare group
NPI 1497874325 (773) 753-5500
The Board Of Trustees Of The University Of Illinois
848 mi
Federally Qualified Health Center (FQHC)
2641 S CALUMET AVE
Chicago, IL 60616
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
NPI 1295751220 (312) 996-2000
Rush University Medical Center
848 mi
Internal Medicine
1411 S MICHIGAN AVE
Chicago, IL 60605
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Rush University Medical Group
  • 2,169 clinicians in this Medicare group
NPI 1689165540 (312) 563-0654
Rush Medical Group
850 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

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
137 services136 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
71 services70 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
68 services62 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
16 services16 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
15 services14 patients

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
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.

RUMA RAJBHANDARI
Internal Medicine (Gastroenterology)
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 525-6841
WENYA LINDA BI
Neurological Surgery
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (203) 645-9485
CHI YUEN CHAN M.D.
Student in an Organized Health Care Education/Training Program
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-5500
JENNIFER MICHELLE THOMAS MD
Radiology (Diagnostic Radiology)
75 FRANCIS ST, DEPARTMENT OF RADIOLOGY
BOSTON, MA 02115
Suffolk County (617) 732-6248
GAURAV SHARMA M.D.
Surgery (Vascular Surgery)
75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115
Suffolk County (951) 259-0890
YEU-SHIN CINDY CHANG M.D., M.P.H.
Emergency Medicine
75 FRANCIS ST, BWH DEPT. OF EMERGENCY MEDICINE
BOSTON, MA 02115
Suffolk County (617) 732-8070
CARA L RICHARDS
Physician Assistant
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-5500
LARA COAKLEY
Nurse Practitioner (Family)
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-5500

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 Brian Bush's NPI number?

The NPI number for Brian Bush is 1427585272. It was assigned to this individual provider in the NPPES registry on May 11, 2017.

Where is Brian Bush located?

Brian Bush practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.

What is Brian Bush's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Brian Bush enrolled in Medicare?

Yes. Brian Bush 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 Brian Bush's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Bush reassigns Medicare benefits to 5 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Cook County (Chicago, IL), The Board Of Trustees Of The University Of Illinois (Chicago, IL), Rush University Medical Center (Chicago, IL) and Rush 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 Brian Bush's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brian Bush accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Brian Bush 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 Brian Bush affiliated with any hospitals?

According to CMS data, Brian Bush is affiliated with Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Brian Bush was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.