David Sommer, MD
NPI 1144490533 · Neurology Physician · Westborough, MA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Sommer, MD is a Neurology Physician provider in Westborough, MA (NPI 1144490533).
Provider details
- NPI number
- 1144490533
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 238797 (MA)
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
18 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
828 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 | 360 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 117 | $90 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 106 | $179 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 55 | $37 |
| Needle Measurement of Electrical Activity in Muscle With Injection of Chemical for Paralysis of Nerve Muscle95874 | 44 | $73 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 91 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 877 | 235 |
| Gabapentin | 403 | 104 |
| Clonazepam | 297 | 59 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 296 | 85 |
| Amantadine Hclbrand: Amantadine | 252 | 70 |
| Donepezil Hcl | 240 | 83 |
| Selegiline Hcl | 236 | 65 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-03
- Last updated
- 2025-12-17
- Certified
- 2025-12-17
Frequently asked questions
- What is David Sommer's NPI number?
- David Sommer's National Provider Identifier (NPI) is 1144490533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Sommer's specialty?
- David Sommer is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is David Sommer located?
- David Sommer's practice location on file with NPPES is 33 Lyman St Ste 400, Westborough, MA 01581-1434.
- What is David Sommer's phone number?
- The practice phone number listed in the NPPES registry for David Sommer is (508) 898-0055.
- Does David Sommer accept Medicare?
- David Sommer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Sommer's NPI active?
- Yes — David Sommer's NPI (1144490533) is active in the NPPES registry as of the last update on 2025-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.