Isabel C. Arrillaga-Romany, MD, PHD
Neurology Physician · Boston, MA
Isabel C. Arrillaga-Romany, MD, PHD is a neurology physician with a practice address in Boston, Massachusetts, and NPI 1972762326, issued on Jun 2, 2008. Check the license (Massachusetts 236376, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Isabel C. Arrillaga-Romany
- Credential
- MD, PHD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 236376 MA
L-236376 MA
Self-reported in NPPES; status is on the state search - Practice location
- Massachusetts General Hospital, Boston, MA 02114
- Phone
- (617) 726-2862
- Enumerated
- Jun 2, 2008
- Record last updated
- Jul 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130903000340); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 964 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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Verify Isabel C. Arrillaga-Romany in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 236376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average neurology physician in 2024
107 Medicare Part D claims for 36 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Levetiracetam Er20 claims
- Gleostine18 claims
- Dexamethasone14 claims
- Levetiracetam13 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
- Massachusetts General Physicians Organization IncBoston, MA
- The General Hospital CorporationBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isabel C. Arrillaga-Romany among 964 neurology physician records in Massachusetts
Isabel C. Arrillaga-Romany, MD, PHD 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
- Graduated2008 · median 2006 among the 612 with a school on file
- Record last updated2013 · 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).
524 neurology physician records list a practice address in Boston
They are 524 of the 41,865 NPPES records with a practice address in Boston, and 964 neurology physician records in Massachusetts.
All 964 in Massachusetts → Every provider in Boston → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Cenk Ayata, MDBoston, MA 021141326038043
- Thomas Byrne, MDBoston, MA 021141346230075
- David Caplan, MD PHDBoston, MA 021141780674945
- Alice Flaherty, MD PHDBoston, MA 021141396735601
- John Growdon, MDBoston, MA 021141407846686
- Michael Irizarry, MDBoston, MA 021141790775237
- James Lehrich, MDBoston, MA 021141205826518
- Robert Levine, MDBoston, MA 021141154318459
Common questions
What is Isabel C. Arrillaga-Romany, MD, PHD's NPI number?
Isabel C. Arrillaga-Romany, MD, PHD's National Provider Identifier (NPI) is 1972762326, issued on Jun 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Isabel C. Arrillaga-Romany, MD, PHD located?
The NPPES record lists a practice address at Massachusetts General Hospital, Boston, MA, 02114. Phone: (617) 726-2862. Providers update this record themselves, so call before visiting.
How can I verify Isabel C. Arrillaga-Romany, MD, PHD's license?
NPPES lists Massachusetts license number 236376, 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 Isabel C. Arrillaga-Romany, MD, PHD prescribe under Medicare Part D?
In 2024, Isabel C. Arrillaga-Romany, MD, PHD had 107 Medicare Part D claims for 36 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.