NPPES file of Aug 9, 2026

Robert Hamilton Pierce, MD

Diagnostic Radiology Physician · Rockford, IL

Robert Hamilton Pierce, MD is a diagnostic radiology physician with a practice address in Rockford, Illinois, and NPI 1891749701, issued on May 22, 2006. Check the license (Illinois 36-039981, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891749701
Name
Robert Hamilton Pierce
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
36-039981 IL
77972-20 WI
Self-reported in NPPES; status is on the state search
Practice location
3871 N Perryville RD, Rockford, IL 61114
Phone
(815) 397-5554
Enumerated
May 22, 2006
Record last updated
May 23, 2024
Fax
(866) 914-7594
Medicaid ID
036039981 IL
Medicare enrollment
Enrolled (PECOS I20070228000576); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 1964
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3871 N Perryville RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bilal Ahmed, MDDiagnostic Radiology Physician1568487650
  2. Steven Bach, D.O.Diagnostic Radiology Physician1457568859
  3. Bruce Cardone, MD, RVT, RPHSDiagnostic Radiology Physician1699723965
  4. Kevin Nguyen, MDDiagnostic Radiology Physician1114411584
  5. Martin Urban, M.D.Diagnostic Radiology Physician1912953191

Verify Robert Hamilton Pierce in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 36-039981
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

59% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

21 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.

  1. Robert Pierce21
  2. Specialty average51

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Specialists IN Medical Imaging, SCPekin, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

50 diagnostic radiology physician records list a practice address in Rockford

They are 50 of the 3,893 NPPES records with a practice address in Rockford, and 1,874 diagnostic radiology physician records in Illinois.

Other diagnostic radiology physician records in Illinois

  1. Samir Abboud, MDChicago, IL1124361324
  2. Sarah Abdel-HadiChicago, IL1932846490
  3. Gerges Abdelsayed, MBBCH BAOMaywood, IL1942902606
  4. Hiroyuki AbeChicago, IL1275684243
  5. Nicole Abedrabbo, MDChicago, IL1629872395
  6. Rita Abejo, MDChicago, IL1477509537
  7. Matthew Abell, M.D.Springfield, IL1568726826
  8. Kinan Abou-Kassem, MDSpringfield, IL1609405026
  9. Srishti Abrol, MDChicago, IL1396240214
  10. Sharon Adam, M.D.Chicago, IL1619361763

Common questions

What is Robert Hamilton Pierce, MD's NPI number?

Robert Hamilton Pierce, MD's National Provider Identifier (NPI) is 1891749701, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Hamilton Pierce, MD located?

The NPPES record lists a practice address at 3871 N Perryville RD, Rockford, IL, 61114. Phone: (815) 397-5554. Providers update this record themselves, so call before visiting.

How can I verify Robert Hamilton Pierce, MD's license?

NPPES lists Illinois license number 36-039981, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert Hamilton Pierce, MD prescribe under Medicare Part D?

In 2024, Robert Hamilton Pierce, MD had 21 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.