Rahul Dewan, MD
NPI 1598721029 · Neurology Physician · Warrenton, VA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rahul Dewan, MD is a Neurology Physician provider in Warrenton, VA (NPI 1598721029).
Provider details
- NPI number
- 1598721029
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2024-03575 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,358 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 805 | $115 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 163 | $153 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 99 | $80 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 69 | $14 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 43 | $93 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 339 | 88 |
| Memantine Hcl | 178 | 39 |
| Gabapentin | 151 | 35 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 125 | 37 |
| Levetiracetam | 115 | 27 |
| Topiramate | 94 | 19 |
| Primidone | 83 | 14 |
| Ropinirole Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$970 across 44 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 19300 Sw 65th AveTualatin, OR 97062-7706Phone: (503) 692-1212
Registry dates
- Enumerated
- 2006-04-24
- Last updated
- 2025-10-17
- Certified
- 2025-10-17
Frequently asked questions
- What is Rahul Dewan's NPI number?
- Rahul Dewan's National Provider Identifier (NPI) is 1598721029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rahul Dewan's specialty?
- Rahul Dewan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Rahul Dewan located?
- Rahul Dewan's practice location on file with NPPES is 550 Hospital Dr, Warrenton, VA 20186-3027.
- What is Rahul Dewan's phone number?
- The practice phone number listed in the NPPES registry for Rahul Dewan is (540) 316-5540.
- Does Rahul Dewan accept Medicare?
- Rahul Dewan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rahul Dewan's NPI active?
- Yes — Rahul Dewan's NPI (1598721029) is active in the NPPES registry as of the last update on 2025-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.