David Sommer, MD
Neurology Physician · Westborough, MA
David Sommer, MD is a neurology physician with a practice address in Westborough, Massachusetts, and NPI 1144490533, issued on Mar 3, 2008. Check the license (Massachusetts 238797, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David Sommer
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 238797 MA
Self-reported in NPPES; status is on the state search - Practice location
- 33 Lyman St Ste 400, Westborough, MA 01581
- Phone
- (508) 898-0055
- Enumerated
- Mar 3, 2008
- Record last updated
- Dec 17, 2025
- Fax
- (508) 898-0035
- Medicare enrollment
- Enrolled (PECOS I20091024000010); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 964 in Massachusetts → Look up another NPI →
Also registered at 33 Lyman St Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Miriam Aframe, PSY.D.Psychologist1710478953
- Brian Dessureau, PH.D.Clinical Neuropsychologist1932190279
- Cuneyt Iscan, M.D.Psychiatry Physician1215919212
- Shivang Joshi, MDNeurology Physician1902034531
- Joshua Kriegel, MDPsychiatry Physician1477013910
- Audrey Painchaud, M.D.Neurology Physician1174611008
Verify David Sommer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 238797Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average neurology physician in 2024
6,381 Medicare Part D claims for 830 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. 77 claims were for opioids.
Most prescribed
- Carbidopa-Levodopa877 claims
- Gabapentin403 claims
- Clonazepam297 claims
- Carbidopa-Levodopa Er296 claims
- Amantadine252 claims
- Donepezil Hcl240 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Community Neuroscience Services LLCWestborough, MA
- Reliant Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Sommer among 964 neurology physician records in Massachusetts
David Sommer, MD is one of 964 neurology physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2004 · median 2006 among the 612 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Massachusetts
There are 964 neurology physician records in Massachusetts.
All 964 in Massachusetts → Every provider in Westborough → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Shivang Joshi, MDWestborough, MA 015811902034531
- Audrey Painchaud, M.D.Westborough, MA 015811174611008
- Lalit Savla, MDWorcester, MA 016041548339344
- Ursula Anwer, MDWorcester, MA 016051689658734
- Mirret El-HagrassyWorcester, MA 016051144514688
- Marc Fisher, MDWorcester, MA 016051134103799
- Francis Huttinger, MDWorcester, MA 016051164776449
- Herbert Markley, MDWorcester, MA 016051043251598
Common questions
What is David Sommer, MD's NPI number?
David Sommer, MD's National Provider Identifier (NPI) is 1144490533, issued on Mar 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is David Sommer, MD located?
The NPPES record lists a practice address at 33 Lyman St Ste 400, Westborough, MA, 01581. Phone: (508) 898-0055. Providers update this record themselves, so call before visiting.
How can I verify David Sommer, MD's license?
NPPES lists Massachusetts license number 238797, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Sommer, MD prescribe under Medicare Part D?
In 2024, David Sommer, MD had 6,381 Medicare Part D claims for 830 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.