Katharine Harper, M.D.
Adult Reconstructive Orthopaedic Surgery Physician · Olney, MD
Katharine Harper, M.D. is an adult reconstructive orthopaedic surgery physician with a practice address in Olney, Maryland, and NPI 1417399288, issued on Jul 22, 2013. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Katharine Harper
- Credential
- M.D.
- Primary taxonomy
- Adult Reconstructive Orthopaedic Surgery Physician 207XS0114X
- Practice location
- 18101 Prince Philip Dr, Olney, MD 20832
- Phone
- (301) 774-8958
- Enumerated
- Jul 22, 2013
- Entity
- Type 1 · individual
Also registered at 18101 Prince Philip Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Ainsfield, LCSW-CClinical Social Worker1235086653
- Rosemary Akinkunle, NURSE PRACTITIONERFamily Nurse Practitioner1538778717
- Golfam Ali SobhaniSurgical Assistant1568142297
- Bridgit Alumkara, M.D.Internal Medicine Physician1669629358
- Maria Araneta, PA-CMedical Physician Assistant1124556857
- Janice Bediako-Smith, PAMedical Physician Assistant1538136619
Verify Katharine Harper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Industry payments in 2024: $3,062.11
21 payments, mostly food and beverage; the largest payer was Zimmer Biomet Holdings, Inc.. The 960 providers of this specialty with any payment received $86,629.45 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 hospital and facility affiliations
- Medstar Medical Group II LLCWashington, DC
- Mgmc LLCOlney, MD
- Suburban/nrh Medical Rehabilitation IncBethesda, 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.
Adult Reconstructive Orthopaedic Surgery Physician providers in Maryland
There are 33 adult reconstructive orthopaedic surgery physician records in Maryland.
Other adult reconstructive orthopaedic surgery physician records in Maryland
- John Antoniades, MDBaltimore, MD1437187960
- Marissa Bonyun, MD, MED, FRCSCBaltimore, MD1790338341
- Joseph Ciotola, MDBaltimore, MD1497750624
- Grant DuvallBaltimore, MD1629538392
- Antoni Goral, MDChevy Chase, MD1013915487
- Shawn Grandia, M.D.Frederick, MD1710949409
- Rishi Gupta, MDFrederick, MD1881738334
- Mark Hasenauer, MDBaltimore, MD1710372271
- Yonah Heller, M.D.Baltimore, MD1326482407
- Peter JayBaltimore, MD1891783114
Common questions
What is Katharine Harper, M.D.'s NPI number?
Katharine Harper, M.D.'s National Provider Identifier (NPI) is 1417399288, issued on Jul 22, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Katharine Harper, M.D. located?
The NPPES record lists a practice address at 18101 Prince Philip Dr, Olney, MD, 20832. Phone: (301) 774-8958. Providers update this record themselves, so call before visiting.
How can I verify Katharine Harper, 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.