Registry data as of Aug 27, 2026

Robert O'Toole, M.D.

Orthopaedic Surgery Physician · Baltimore, MD

Robert O'Toole, M.D. is an orthopaedic surgery physician with a practice address in Baltimore, Maryland, and NPI 1821037458, issued on Jun 6, 2006. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1821037458
Name
Robert O'Toole
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
Practice location
22 S Greene St, Baltimore, MD 21201
Phone
(410) 448-6332
Enumerated
Jun 6, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 22 S Greene St

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

  1. Bizhan Aarabi, MDNeurological Surgery Physician1174578876
  2. Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
  3. Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
  4. Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
  5. Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
  6. Ifedayo Abiola-Matthew, CRNPFamily Nurse Practitioner1033781117

Verify Robert O'Toole in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck 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 Maryland 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.

Industry payments in 2024: $29,590.99

17 payments, mostly travel and lodging; the largest payer was Stryker Corporation. The 15,866 providers of this specialty with any payment received $21,294.10 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert O'Toole$29,590.99
  2. Specialty average$21,294.10

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. University OF Maryland Orthopaedic Trauma Associates, P.A.Baltimore, MD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Orthopaedic Surgery Physician providers in Maryland

There are 494 orthopaedic surgery physician records in Maryland.

Other orthopaedic surgery physician records in Maryland

  1. Jeffrey Abend, M.D.Silver Spring, MD1073555777
  2. Albert Aboulafia, M.D.Baltimore, MD1447213608
  3. Joshua Abzug, M.D.Baltimore, MD1164664199
  4. R Ackerman, MDRockville, MD1366417289
  5. Alexander Adams, MDTowson, MD1285197475
  6. Elizabeth Adegboyega-PanoxBaltimore, MD1982618658
  7. Farshad Adib, M.D.Baltimore, MD1629386735
  8. Anthony Adrignolo, M.D.Salisbury, MD1407898182
  9. Justin Aflatooni, MDBaltimore, MD1740817881
  10. Abdulaziz Ahmed, MDBaltimore, MD1831852367

Common questions

What is Robert O'Toole, M.D.'s NPI number?

Robert O'Toole, M.D.'s National Provider Identifier (NPI) is 1821037458, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert O'Toole, M.D. located?

The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 448-6332. Providers update this record themselves, so call before visiting.

How can I verify Robert O'Toole, M.D.'s license?

Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.