Mariel Kozberg, MD
Vascular Neurology Physician · Boston, MA
Mariel Kozberg, MD is a vascular neurology physician with a practice address in Boston, Massachusetts, and NPI 1710336003, issued on Jun 7, 2016. Check the license (Massachusetts 283197, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mariel Kozberg
- Credential
- MD
- Primary taxonomy
- Vascular Neurology Physician 2084V0102X
- License number
- 283197 MA
Self-reported in NPPES; status is on the state search - Practice location
- Massachusetts General Hospital, Boston, MA 02114
- Phone
- (617) 643-0596
- Enumerated
- Jun 7, 2016
- Record last updated
- Jun 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210817000431); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest vascular neurology physician records → All 23 in Massachusetts → Look up another NPI →
Also registered at Massachusetts General Hospital
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jonathan Afilalo, MDCMInternal Medicine Physician1619289584
- Kiran Agarwal-Harding, MDOrthopaedic Surgery Physician1003229097
Verify Mariel Kozberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 283197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average vascular neurology physician in 2024
113 Medicare Part D claims for 28 beneficiaries, against an average of 270 among the 598 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Eliquis15 claims
- Donepezil Hcl14 claims
- Clopidogrel12 claims
- Lacosamide12 claims
- Rosuvastatin Calcium12 claims
- Atorvastatin Calcium11 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.
Industry payments in 2024: $6,447.02
13 payments; by number, the most common kind was travel and lodging; the largest payer was F. Hoffmann-La Roche AG. The 461 providers of this specialty with any payment received $3,770.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariel Kozberg among 23 vascular neurology physician records in Massachusetts
Mariel Kozberg, MD is one of 23 vascular neurology physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 65% of them.
- NPI issued2016 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2016 · median 2009 among the 17 with a school on file
- Record last updated2021 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084V0102X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Neurology Physician providers in Massachusetts
There are 23 vascular neurology physician records in Massachusetts.
All 23 in Massachusetts → Every provider in Boston → Vascular Neurology Physician nationwide →
The 8 vascular neurology physician records with the nearest ZIP codes
- Kenda Alhadid, MDBoston, MA 021141477222594
- Walter Koroshetz, MDBoston, MA 021141255312211
- Barbara Voetsch, MD, PHDBoston, MA 021141699924670
- Gustavo Carvajal, MDBoston, MA 021111184208704
- Emiliya Melkumova, M.D.Boston, MA 021111962740472
- Elizabeth Rosen, MDBoston, MA 021111023570991
- Sonya Gleicher, MDBoston, MA 021181417539651
- David Greer, MDBoston, MA 021181003807215
Common questions
What is Mariel Kozberg, MD's NPI number?
Mariel Kozberg, MD's National Provider Identifier (NPI) is 1710336003, issued on Jun 7, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mariel Kozberg, MD located?
The NPPES record lists a practice address at Massachusetts General Hospital, Boston, MA, 02114. Phone: (617) 643-0596. Providers update this record themselves, so call before visiting.
How can I verify Mariel Kozberg, MD's license?
NPPES lists Massachusetts license number 283197, 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 Mariel Kozberg, MD prescribe under Medicare Part D?
In 2024, Mariel Kozberg, MD had 113 Medicare Part D claims for 28 beneficiaries; the average among vascular neurology physician prescribers was 270. 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.