Riley Dubois, MD
NPI 1538556220 · Adult Medicine Physician · Manassas, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Riley Dubois, MD is a Adult Medicine Physician provider in Manassas, VA (NPI 1538556220).
Provider details
- NPI number
- 1538556220
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101264669 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
38 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $124 |
| Administration of Influenza Virus VaccineG0008 | 14 | $32 |
Typical Medicare-allowed amounts for these services range $32–$124 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 84 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 308 | 102 |
| Lisinopril | 170 | 58 |
| Levothyroxine Sodium | 152 | 46 |
| Amlodipine Besylate | 120 | 47 |
| Losartan Potassium | 119 | 42 |
| Atenolol | 85 | 30 |
| Tamsulosin Hcl | 71 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-20
- Last updated
- 2021-05-27
- Certified
- 2021-05-27
Frequently asked questions
- What is Riley Dubois's NPI number?
- Riley Dubois's National Provider Identifier (NPI) is 1538556220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Riley Dubois's specialty?
- Riley Dubois is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Riley Dubois located?
- Riley Dubois's practice location on file with NPPES is 10701 Rosemary Dr, Manassas, VA 20109.
- What is Riley Dubois's phone number?
- The practice phone number listed in the NPPES registry for Riley Dubois is (703) 257-3000.
- Does Riley Dubois accept Medicare?
- Riley Dubois is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Riley Dubois's NPI active?
- Yes — Riley Dubois's NPI (1538556220) is active in the NPPES registry as of the last update on 2021-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.