Robert F. Larkin, MD
Emergency Medicine Physician · Olney, MD
Robert F. Larkin, MD is an emergency medicine physician with a practice address in Olney, Maryland, and NPI 1780664102, issued on Jan 20, 2006. Check the license (Maryland D0019815, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert F. Larkin
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- D0019815 MD
Self-reported in NPPES; status is on the state search - Practice location
- 18101 Prince Philip Drive, Olney, MD 20832
- Phone
- (301) 774-8900
- Enumerated
- Jan 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 570-8574
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 18101 Prince Philip Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eliana Assimakopoulos, PACPhysician Assistant1699734384
- Nicole Davis, P.A.Medical Physician Assistant1124391883
- Keith Della Grotta, MDEmergency Medicine Physician1235505611
- Darrell Kontz, PAPhysician Assistant1275692113
- Merate Legesse, PAPhysician Assistant1881635787
- Phyllis Nicholson, MDInternal Medicine Physician1609854389
Verify Robert F. Larkin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0019815Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert F. Larkin among 1,190 emergency medicine physician records in Maryland
Robert F. Larkin, MD is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileNo · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 emergency medicine physician records list a practice address in Olney
They are 12 of the 742 NPPES records with a practice address in Olney, and 1,190 emergency medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,190 in Maryland → Every provider in Olney → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Griffin Bleecker, M.D.Olney, MD 208321790363760
- Keith Della Grotta, MDOlney, MD 208321235505611
- Jeremy Graf, MDOlney, MD 208321104817873
- Herman Kalsi, MDOlney, MD 208321902269582
- Michael Kerr, MDOlney, MD 208321669460515
- Landon Mueller, M.D.Olney, MD 208321982139978
- Serge Shewchuk, MDOlney, MD 208321932154242
- Ellen Smith, MDOlney, MD 208321770572463
Common questions
What is Robert F. Larkin, MD's NPI number?
Robert F. Larkin, MD's National Provider Identifier (NPI) is 1780664102, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert F. Larkin, MD located?
The NPPES record lists a practice address at 18101 Prince Philip Drive, Olney, MD, 20832. Phone: (301) 774-8900. Providers update this record themselves, so call before visiting.
How can I verify Robert F. Larkin, MD's license?
NPPES lists Maryland license number D0019815, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.