DR. LOUIS MATTHEW BONACORSI MD
NPI 1043660780
Radiology - Diagnostic Radiology in Saint Louis, MO

Active since June 14, 2016PECOS EnrolledAccepts Medicare Assignment
79.29/100
CMS Quality Rating
3015 N BALLAS RD, DEPT RADIOLOGY, SAINT LOUIS, MO 63131(314) 996-5170(314) 996-4261 Get Directions Write a Review

NPPES record last updated: April 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, May 25, 2023 and 3 more (6 updates tracked since 2016).

About Dr. Louis Matthew Bonacorsi Md NPPES

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

DR. LOUIS MATTHEW BONACORSI MD (NPI 1043660780) is an individual diagnostic radiology provider in Saint Louis, Missouri, licensed in Missouri (2022007204) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Saint Louis University School Of Medicine (2016).

NPPES Registry Identity

NPI1043660780
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. LOUIS MATTHEW BONACORSICredential: MD
Location Address3015 N BALLAS RD, DEPT RADIOLOGYSaint Louis, MO 63131-2329
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 996-5170 · Fax (314) 996-4261
Fax(314) 996-4261
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 2016
Enumeration DateJune 14, 2016
Last NPPES UpdateApril 15, 20256 updates tracked since enumeration
NPPES CertifiedJuly 27, 2022
✔ NPI 1043660780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in MO · 2022007204
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
3015 N BALLAS RD, Saint Louis, MO 63131

Other Identifiers 1

Medicaid200106981MO

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

Dr. Louis Matthew Bonacorsi 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 ID2961750252
PECOS Enrollment IDI20220525000967
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

3

Medicare enrollment records show Louis Bonacorsi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Radiology
1785 CLARKSON RD
Chesterfield, MO 63017
  • Reassigned Medicare billing, Missouri enrollment
  • 35 clinicians in this Medicare group
Multi-Specialty
510 S KINGSHIGHWAY BLVD
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 373 clinicians in this Medicare group
Multi-Specialty
1000 W 10TH ST
Rolla, MO 65401
  • Reassigned Medicare billing, Missouri enrollment
  • 347 clinicians in this Medicare group

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 54

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.

Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
521 services480 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
313 services308 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
307 services278 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
180 services174 patients
Ct scan of upper spine without contrast 72125
A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.
165 services160 patients
Ct scan of chest without contrast 71250
A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.
134 services128 patients

Hospital Affiliations CMS Care Compare 5

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County
Emergency services Birthing friendly

Barnes-Jewish West County Hospital

Acute Care Hospitals · Creve Coeur, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260162
Location12634 Olive BoulevardCreve Coeur, MO 63141 · St. Louis County
Emergency services

Missouri Baptist Sullivan Hospital

Critical Access Hospitals · Sullivan, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number261337
Location751 Sappington Bridge RdSullivan, MO 63080 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63131 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

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.

Nurse Practitioner (Family)
3015 N BALLAS RD, DEPT EMERGENCY MED
SAINT LOUIS, MO 63131
Anesthesiology
3015 N BALLAS RD
SAINT LOUIS, MO 63131
Physician Assistant
3015 N BALLAS RD
SAINT LOUIS, MO 63131
Hospitalist
3015 N BALLAS RD
SAINT LOUIS, MO 63131
Dietitian, Registered
3015 N BALLAS RD
SAINT LOUIS, MO 63131
Internal Medicine (Hematology & Oncology)
3015 N BALLAS RD
SAINT LOUIS, MO 63131
Pathology (Anatomic Pathology & Clinical Pathology)
3015 N BALLAS RD, DEPARTMENT OF PATHOLOGY
SAINT LOUIS, MO 63131
Anesthesiology
3015 N BALLAS RD
SAINT LOUIS, MO 63131

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 Louis Bonacorsi's NPI number?

The NPI number for Louis Bonacorsi is 1043660780. It was assigned to this individual provider in the NPPES registry on June 14, 2016.

Where is Louis Bonacorsi located?

Louis Bonacorsi practices at 3015 N Ballas Rd Dept Radiology, Saint Louis, MO 63131. The listed phone number is (314) 996-5170.

What is Louis Bonacorsi's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Louis Bonacorsi enrolled in Medicare?

Yes. Louis Bonacorsi 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 Louis Bonacorsi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Louis Bonacorsi reassigns Medicare benefits to 3 organizations: Bjc Outpatient Imaging LLC (Chesterfield, MO), Washington University (Saint Louis, MO) and Miracl, LLC (Rolla, MO). 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 Louis Bonacorsi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Louis Bonacorsi affiliated with any hospitals?

According to CMS data, Louis Bonacorsi is affiliated with Mercy Hospital St Louis, Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital and Missouri Baptist Sullivan Hospital.

When was this NPI record last updated?

The NPPES record for Louis Bonacorsi was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.