ROBERT F LARKIN MD
NPI 1780664102
Emergency Medicine in Olney, MD
About Robert F Larkin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT F LARKIN MD (NPI 1780664102) is an individual emergency medicine provider in Olney, Maryland, licensed in Maryland (D0019815) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Robert F Larkin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Robert Larkin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Laurel, MD 20707
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Medicare enrollment name: Emergency Medicine Associates P.A., P.C.
- Also billed through NPI 1043175375 (Maryland)
- 1,150 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20832 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OLNEY, MD 20832
OLNEY, MD 20832
OLNEY, MD 20832
OLNEY, MD 20832
OLNEY, MD 20832
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Robert Larkin's NPI number?
The NPI number for Robert Larkin is 1780664102. It was assigned to this individual provider in the NPPES registry on January 20, 2006.
Where is Robert Larkin located?
Robert Larkin practices at 18101 Prince Philip Drive Montgomery General Hospital, Olney, MD 20832. The listed phone number is (301) 774-8900.
What is Robert Larkin's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Robert Larkin enrolled in Medicare?
Yes. Robert Larkin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Robert Larkin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Larkin reassigns Medicare benefits to Emergency Medicine Associates, PA (Laurel, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Larkin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Robert Larkin was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Robert F Larkin, MD · NPI 1780664102
Emergency Medicine physician in Olney, Maryland. Individual provider, active in the CMS NPPES registry since January 20, 2006.
## Identity
- **NPI:** 1780664102 (Entity type: Individual)
- **Enumerated:** January 20, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** D0019815 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 18101 PRINCE PHILIP DRIVE, MONTGOMERY GENERAL HOSPITAL, Olney, MD 20832
- **Phone:** (301) 774-8900 · **Fax:** (301) 570-8574
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Emergency Medicine Associates, PA (NPI 1831940881, Laurel, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified 018373E14 (MD); Medicare UPIN C88578
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Source: [NPI Profile](https://npiprofile.com/npi/1780664102) · Data from the CMS NPPES public registry.