Claire Sigrid Jacobs, MD, PHD
Epilepsy Physician · Boston, MA
Claire Sigrid Jacobs, MD, PHD is an epilepsy physician with a practice address in Boston, Massachusetts, and NPI 1689929333, issued on Jul 18, 2012. Check the license (Massachusetts 261391, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Claire Sigrid Jacobs
- Credential
- MD, PHD
- Primary taxonomy
- Epilepsy Physician 2084E0001X
- License numbers
- 261391 MA
255048 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-2000
- Enumerated
- Jul 18, 2012
- Record last updated
- Jun 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20180719000794); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest epilepsy physician records → All 36 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Claire Sigrid Jacobs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 261391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average epilepsy physician in 2024
48 Medicare Part D claims for 16 beneficiaries, against an average of 934 among the 476 providers of this specialty who prescribed in Part D.
Most prescribed
- Lamotrigine18 claims
- Levetiracetam11 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 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).
Claire Sigrid Jacobs among 36 epilepsy physician records in Massachusetts
Claire Sigrid Jacobs, MD, PHD is one of 36 epilepsy physician records with a practice address in Massachusetts. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 39% of them.
- NPI issued2012 · 39% of these records are older, 53% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2012 · median 2010 among the 31 with a school on file
- Record last updated2025 · 0% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084E0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Epilepsy Physician providers in Massachusetts
There are 36 epilepsy physician records in Massachusetts.
All 36 in Massachusetts → Every provider in Boston → Epilepsy Physician nationwide →
The 8 epilepsy physician records with the nearest ZIP codes
- Lara Basovic, MDBoston, MA 021141003340159
- Alex Bender, MD, PHDBoston, MA 021141528556446
- Mia Bothwell, MD, PHDBoston, MA 021141376170548
- Andrew Cole, MDBoston, MA 021141043201502
- Michael Doyle, MDBoston, MA 021141982404448
- Alexander Dudley, MB BCH BAOBoston, MA 021141336090034
- Peter Hadar, MD, MSBoston, MA 021141922597012
- Ioannis Karakis, M.D.Boston, MA 021141386819969
Common questions
What is Claire Sigrid Jacobs, MD, PHD's NPI number?
Claire Sigrid Jacobs, MD, PHD's National Provider Identifier (NPI) is 1689929333, issued on Jul 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Claire Sigrid Jacobs, MD, PHD located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-2000. Providers update this record themselves, so call before visiting.
How can I verify Claire Sigrid Jacobs, MD, PHD's license?
NPPES lists Massachusetts license number 261391, 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 Claire Sigrid Jacobs, MD, PHD prescribe under Medicare Part D?
In 2024, Claire Sigrid Jacobs, MD, PHD had 48 Medicare Part D claims for 16 beneficiaries; the average among epilepsy physician prescribers was 934. 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.