Riken Kumar, MD
NPI 1659891919 · Internal Medicine Physician · Lake Ridge, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Riken Kumar, MD is a Internal Medicine Physician provider in Lake Ridge, VA (NPI 1659891919).
Provider details
- NPI number
- 1659891919
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT213879 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 272 | 105 |
| Losartan Potassium | 122 | 41 |
| Lisinopril | 110 | 34 |
| Metformin Hcl | 99 | 35 |
| Amlodipine Besylate | 79 | 34 |
| Rsvpref3 Antigen/As01e/Pfbrand: Arexvy | 61 | 61 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-27
- Last updated
- 2022-02-03
- Certified
- 2022-02-03
Frequently asked questions
- What is Riken Kumar's NPI number?
- Riken Kumar's National Provider Identifier (NPI) is 1659891919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Riken Kumar's specialty?
- Riken Kumar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Riken Kumar located?
- Riken Kumar's practice location on file with NPPES is 2199 Old Bridge Rd, Lake Ridge, VA 22192-2911.
- What is Riken Kumar's phone number?
- The practice phone number listed in the NPPES registry for Riken Kumar is (703) 357-9707.
- Does Riken Kumar accept Medicare?
- Riken Kumar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Riken Kumar's NPI active?
- Yes — Riken Kumar's NPI (1659891919) is active in the NPPES registry as of the last update on 2022-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.