J Community Hosp Intern Med Perspect
Dr. David B. Sommer, MD
NPI1144490533PAC ID0446397475
- Medicare services, 2024
- 14,328
- Medicare patients, 2024
- 545
- Part D claims, 2024
- 6,381
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 5 Neponset Street, Worcester, MA 01606
- Practice phone
- Call (508) 853-2716
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Reliant Medical Group - Worcester - Neponset Street
Mammography / Breast Imaging Center · Worcester, Massachusetts
Find Dr. Sommer's professional email, personal email and mobile number
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Dr. David B. Sommer is a neurologist in Worcester, Massachusetts
Dr. Sommer practices at Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts.
Dr. Sommer's NPI, 1144490533, was assigned on March 3, 2008. Dr. Sommer graduated from Duke University School of Medicine in 2004. Dr. Sommer holds Massachusetts license 238797.
NPI and contact details
- NPI
- 1144490533NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446397475
- NPI enumeration date
- March 3, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 853-2716
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David B. Sommer practices at Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts
Dr. Sommer's primary practice is Reliant Medical Group - Worcester - Neponset Street, at 5 Neponset Street, Worcester, MA 01606. The practice phone is (508) 853-2716.
- Reliant Medical Group - Worcester - Neponset Street5 Neponset Street, Worcester, MA 01606Phone(508) 853-2716
Source: Dmand AI Affiliation Data
Dr. David B. Sommer is affiliated with 4 sites of care and 2 medical groups
Dr. Sommer's primary practice is Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts. Dr. Sommer is also affiliated with Saint Vincent Hospital. The medical group on file is Community Neuroscience Services. Dmand AI also links Dr. Sommer to 2 more group practices and clinics and 1 medical group, each named with a free account.
Reliant Medical Group - Worcester - Neponset StreetPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David B. Sommer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sommer practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Reliant Medical Group - Worcester - Neponset Street | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David B. Sommer is one of 806 neurologists in Massachusetts
Neurology is Dr. Sommer's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Sommer's licenses on file in 2 states: Massachusetts and North Carolina.
Specialties and state licenses
- Neurology, MassachusettsPrimary
- North Carolina license
Neurologists near Dr. Sommer
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David B. Sommer billed Medicare for 14,328 services in 2024
CMS data shows 14,328 Medicare services from Dr. Sommer across 11 procedure codes in 2024, for 545 Medicare patients. Medicare paid $138,176 for them.
Medicare services, 202414,328
Medicare patients545
Paid by Medicare$138,176
Procedure codes11
Dr. Sommer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 9,9472024: 13,50036%
- Office and hospital visits
- 2023: 6632024: 6955%
- Tests and treatments
- 2023: 952024: 994%
- Surgery
- 2023: 02024: 34
Where Dr. Sommer's Medicare services took place, 2024
- In an office14,22299%
- In a facility1061%
Dr. Sommer compared with the Massachusetts median for neurologists, 2024
- Dr. Sommer
- Massachusetts median
- Medicare services
- 14,328vs 31445.6 times
- Medicare patients
- 545vs 1783.1 times
- Part D claims
- 6,011vs 27022.3 times
Medians across 741 neurologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Sommer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Sommer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sommer and other neurologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David B. Sommer treated 545 Medicare patients in 2024, average age 73
CMS counts 545 Medicare patients who saw Dr. Sommer in 2024. The largest group is 65 to 74, with 215 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 28% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sommer's median patient age at 72, with 55% women.
Medicare patients, 2024545
Average age73
Average risk score1.77
Also on Medicaid28%
Dr. Sommer's Medicare patients by age, 2024
Dr. Sommer's Medicare patients by sex, 2024
- Women27050%
- Men27550%
Chronic conditions among Dr. Sommer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis48%
- Mood disorders40%
- Anxiety38%
- Parkinson's disease38%
- Depression32%
- Ischemic heart disease32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sommer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David B. Sommer wrote 6,381 Medicare Part D claims in 2024
In 2024, Dr. Sommer wrote 6,381 Medicare Part D claims for 830 patients. 93% of them were for generic drugs. CMS names the drug for 6,011 of them, across 91 drugs with 11 or more claims each, at $963,230 in total drug cost. In 2023, CMS named 5,659 claims across 86 drugs.
Part D claims, 20246,381
Drugs named by CMS91
Total drug cost$963,230
Part D patients830
Dr. Sommer's Part D claims by kind of drug, 2024
- Generic5,933 claims93%
- Brand-name and other448 claims7%
Dr. Sommer's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Sommer's Part D claims, 2024
- Opioids1%77 of 6,381 claims
- Antipsychotics, patients 65 and over2%135 of 6,381 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,6592024: 6,0116%
Drugs named by CMS: 91 in 2024, 86 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. David B. Sommer ranks in the 60th percentile for skin biopsy in Medicare
Dr. Sommer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sommer as offering telehealth. CMS counts 12 procedures of skin biopsy by Dr. Sommer, more than 60% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Sommer ranks in Medicare procedure volume
- Skin biopsy
- 60th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. David B. Sommer has 2 publications on record
Dmand AI links 2 papers to Dr. Sommer, published from 2013 to 2022. Dr. Sommer's most frequent co-authors are Maya Gogtay, MD, Peter Novak, MD and Julie Georgia Pilitsis, MBA, MD, PhD.
Papers2
Years published2013 to 2022
Dr. Sommer's most frequent co-authors
- Maya Gogtay, MD1 shared paper
- Peter Novak, MD1 shared paper
- Julie Georgia Pilitsis, MBA, MD, PhD1 shared paper
Recent publications by Dr. Sommer
Stereotact Funct Neurosurg
Central Nervous System CystsDeep Brain StimulationDevice Removal
See who Dr. Sommer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sommer works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David B. Sommer received $1,228 in industry payments from 2016 to 2025
CMS Open Payments shows 18 general payments to Dr. Sommer from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 50% of the total. Boston Scientific Corporation paid the most, $796.
General payments to Dr. Sommer by program year, 2016 to 2025
General payments to Dr. Sommer by kind, 2016 to 2025
$1.2Kin total
- Food and beverage$61250%
- Travel and lodging$61150%
- Education$60%
Companies that paid Dr. Sommer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David B. Sommer graduated from Duke University School of Medicine
Dr. Sommer graduated from Duke University School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David B. Sommer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David B. Sommer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. David B. Sommer's NPI number?
Dr. David B. Sommer's NPI number is 1144490533. It was assigned on March 3, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. David B. Sommer?
Dr. David B. Sommer is a neurologist in Worcester, Massachusetts. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. David B. Sommer practice?
Dr. Sommer practices at 5 Neponset Street, Worcester, MA 01606. Dr. Sommer's primary practice is Reliant Medical Group - Worcester - Neponset Street in Worcester, Massachusetts. Dmand AI also links Dr. Sommer to 2 group practices and clinics and 1 medical group.
What is Dr. David B. Sommer's office phone number?
The practice phone on file for Dr. Sommer is (508) 853-2716.
What is Dr. David B. Sommer's medical license number?
Dr. Sommer holds Massachusetts license 238797, one of the licenses on file in 2 states.
Which states has Dr. David B. Sommer been licensed in?
Dmand AI has state licenses on file for Dr. Sommer in Massachusetts and North Carolina.
Which hospitals is Dr. David B. Sommer affiliated with?
Dr. Sommer is affiliated with Saint Vincent Hospital.
What medical group is Dr. David B. Sommer part of?
Dr. Sommer is linked to Community Neuroscience Services. Dmand AI links Dr. Sommer to 1 more medical group.
Does Dr. David B. Sommer accept Medicare?
Yes. CMS data shows Dr. Sommer billed Medicare for 14,328 services in 2024, and Dr. Sommer accepts Medicare assignment.
Does Dr. David B. Sommer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sommer as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. David B. Sommer see?
CMS counts 545 Medicare patients who saw Dr. Sommer in 2024, with an average age of 73.
What services does Dr. David B. Sommer bill to Medicare?
In 2024, Dr. Sommer's most billed Medicare services were injected or infused drug (J0585), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. David B. Sommer go to medical school?
Dr. Sommer graduated from Duke University School of Medicine in 2004.
What drugs does Dr. David B. Sommer prescribe most?
In 2024 Medicare Part D data, Dr. Sommer's most prescribed drugs by claims were Carbidopa-Levodopa, Gabapentin and Clonazepam.
Has Dr. David B. Sommer received payments from drug or device companies?
CMS Open Payments shows $1,228 in general payments to Dr. Sommer from 7 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. David B. Sommer been practicing?
Dr. Sommer graduated from medical school in 2004, 22 years ago.
Does Dr. David B. Sommer do research?
Dmand AI links 2 publications to Dr. Sommer, published from 2013 to 2022.
Who does Dr. David B. Sommer publish with?
Dr. Sommer's most frequent co-authors are Maya Gogtay, MD (1 shared paper), Peter Novak, MD (1 shared paper) and Julie Georgia Pilitsis, MBA, MD, PhD (1 shared paper).
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