Aviva Ellenstein, M.D., PH.D.
NPI 1134394836 · Neurology Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aviva Ellenstein, M.D., PH.D. is a Neurology Physician provider in Rockville, MD (NPI 1134394836).
Provider details
- NPI number
- 1134394836
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD040774 (DC)
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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,152 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 | 581 | $141 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 250 | $18 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 122 | $198 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 90 | $240 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 75 | $101 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 551 | 173 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 402 | 117 |
| Carbidopa/Levodopabrand: Rytary | 142 | 22 |
| Amantadine Hclbrand: Amantadine | 64 | 22 |
| Rasagiline Mesylate | 60 | 15 |
| Primidone | 30 | — |
| Propranolol Hclbrand: Propranolol Hcl Er | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13 across 1 record (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
Registry dates
- Enumerated
- 2008-04-24
- Last updated
- 2022-03-03
- Certified
- 2022-03-03
Frequently asked questions
- What is Aviva Ellenstein's NPI number?
- Aviva Ellenstein's National Provider Identifier (NPI) is 1134394836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aviva Ellenstein's specialty?
- Aviva Ellenstein is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Aviva Ellenstein located?
- Aviva Ellenstein's practice location on file with NPPES is 3202 Tower Oaks Blvd Ste 300, Rockville, MD 20852-4238.
- What is Aviva Ellenstein's phone number?
- The practice phone number listed in the NPPES registry for Aviva Ellenstein is (301) 718-9611.
- Does Aviva Ellenstein accept Medicare?
- Aviva Ellenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aviva Ellenstein's NPI active?
- Yes — Aviva Ellenstein's NPI (1134394836) is active in the NPPES registry as of the last update on 2022-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.