Stephen Ilario, M.D.
Orthopaedic Surgery Physician · Largo, MD
Stephen Ilario, M.D. is an orthopaedic surgery physician with a practice address in Largo, Maryland, and NPI 1164425419, issued on May 31, 2005. Check the license (Maryland D65059, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Stephen Ilario
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- D65059 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Mercantile LN, Largo, MD 20774
- Phone
- (301) 618-5796
- Enumerated
- May 31, 2005
- Entity
- Type 1 · individual
Also registered at 1221 Mercantile LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheryl Abbott, RN,BSN,CM-CCase Management Registered Nurse1366743122
- Grace AdumanisaResearch Study Specialist1104663145
- Cielito Aguinaldo, MDInternal Medicine Physician1063585347
- Elma Alston, LCSW-CClinical Social Worker1629300488
- Bridget AnyiwoPharmacist1326228529
- Brian Armstrong, MDOphthalmology Physician1285781179
Verify Stephen Ilario in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D65059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
33% more Medicare Part D claims than the average orthopaedic surgery physician in 2024
458 Medicare Part D claims for 190 beneficiaries, against an average of 344 among the 17,387 providers of this specialty who prescribed in Part D. 68 claims were for opioids.
Most prescribed
- Amoxicillin156 claims
- Meloxicam122 claims
- Oxycodone Hcl42 claims
- Tramadol Hcl17 claims
- Diclofenac Sodium16 claims
- Gabapentin15 claims
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.
One hospital or facility affiliation
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, 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
- Jeffrey Abend, M.D.Silver Spring, MD1073555777
- Albert Aboulafia, M.D.Baltimore, MD1447213608
- Joshua Abzug, M.D.Baltimore, MD1164664199
- R Ackerman, MDRockville, MD1366417289
- Alexander Adams, MDTowson, MD1285197475
- Elizabeth Adegboyega-PanoxBaltimore, MD1982618658
- Farshad Adib, M.D.Baltimore, MD1629386735
- Anthony Adrignolo, M.D.Salisbury, MD1407898182
- Justin Aflatooni, MDBaltimore, MD1740817881
- Abdulaziz Ahmed, MDBaltimore, MD1831852367
Common questions
What is Stephen Ilario, M.D.'s NPI number?
Stephen Ilario, M.D.'s National Provider Identifier (NPI) is 1164425419, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Ilario, M.D. located?
The NPPES record lists a practice address at 1221 Mercantile LN, Largo, MD, 20774. Phone: (301) 618-5796. Providers update this record themselves, so call before visiting.
How can I verify Stephen Ilario, M.D.'s license?
NPPES lists Maryland license number D65059, as entered by the provider. 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.
How much does Stephen Ilario, M.D. prescribe under Medicare Part D?
In 2024, Stephen Ilario, M.D. had 458 Medicare Part D claims for 190 beneficiaries; the average among orthopaedic surgery physician prescribers was 344. Part D covers Medicare prescriptions only.
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.