DR. RONALD MATTHIAS BEAULIEU III MD
NPI 1508252057
Internal Medicine - Infectious Disease in Washington, DC
About Dr. Ronald Matthias Beaulieu Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RONALD MATTHIAS BEAULIEU III MD (NPI 1508252057) is an individual infectious disease provider in Washington, District Of Columbia, licensed in District Of Columbia (MD048244) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Baton Rouge, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2015).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ronald Matthias Beaulieu Iii Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ronald Beaulieu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 861 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20007
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 Ronald Beaulieu's NPI number?
The NPI number for Ronald Beaulieu is 1508252057. It was assigned to this individual provider in the NPPES registry on April 11, 2015.
Where is Ronald Beaulieu located?
Ronald Beaulieu practices at 3800 Reservoir Rd NW Fl 5, Washington, DC 20007. The listed phone number is (202) 444-0086.
What is Ronald Beaulieu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Ronald Beaulieu enrolled in Medicare?
Yes. Ronald Beaulieu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ronald Beaulieu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Beaulieu reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Mgmc LLC (Washington, DC). Each 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 Ronald Beaulieu'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 Ronald Beaulieu was last updated on May 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Ronald Matthias Beaulieu III, MD · NPI 1508252057
Infectious Disease physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 11, 2015.
## Identity
- **NPI:** 1508252057 (Entity type: Individual)
- **Enumerated:** April 11, 2015
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** MD048244 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3800 RESERVOIR RD NW FL 5, Washington, DC 20007-2113
- **Phone:** (202) 444-0086
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Mgmc LLC (NPI 1316949654, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2015
## Record status
- **NPPES last updated:** May 28, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1508252057) · Data from the CMS NPPES public registry.