NPPES file of Aug 9, 2026

Efstathios Papavassiliou, M.D.

Neurological Surgery Physician · Boston, MA

Efstathios Papavassiliou, M.D. is a neurological surgery physician with a practice address in Boston, Massachusetts, and NPI 1073551024, issued on Jun 3, 2006. Check the license (Massachusetts 218315, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073551024
Name
Efstathios Papavassiliou
Credential
M.D.
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
218315 MA
Self-reported in NPPES; status is on the state search
Practice location
110 Francis St, Boston, MA 02215
Phone
(617) 632-7246
Enumerated
Jun 3, 2006
Record last updated
Mar 15, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(617) 632-0949
Medicaid ID
2015480 MA
Medicare enrollment
Enrolled (PECOS I20040920000181); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 110 Francis St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Oluseyi Akintorin, M.D.Surgery Physician1780021006
  2. Salah Aldekhayel, M.D.Surgery of the Hand (Plastic Surgery) Physician1861877755
  3. Carolyn Alonso, M.D.Infectious Disease Physician1841336039
  4. Elizabeth Alqueza, PA-CPhysician Assistant1972584100
  5. Abdulrahman Alturki, MBBS,MSC,FRCSCStudent in an Organized Health Care Education/Training Program1467905406
  6. Michael Apstein, MDGastroenterology Physician1609854603

Verify Efstathios Papavassiliou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 218315
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

94% fewer Medicare Part D claims than the average neurological surgery physician in 2024

11 Medicare Part D claims, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Efstathios Papavassiliou11
  2. Specialty average172

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: $42.96

2 payments; by number, the most common kind was food and beverage; the largest payer was Imperative Care, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Efstathios Papavassiliou$43
  2. Specialty average$14,926

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

  1. Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Efstathios Papavassiliou among 236 neurological surgery physician records in Massachusetts

Efstathios Papavassiliou, M.D. is one of 236 neurological surgery physician records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 58% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1990 · median 2001 among the 154 with a school on file
  • Record last updated2011 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurological Surgery Physician providers in Massachusetts

There are 236 neurological surgery physician records in Massachusetts.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Ghusn Al Sideiri, MDBoston, MA 022151184243792
  2. Ron Alterman, M.D.Boston, MA 022151750357430
  3. Syed Sarmad Bukhari, M.B.B.S, FCPS NEUROSBoston, MA 022151467296954
  4. Edwin Fischer, M.D.Boston, MA 022151912949959
  5. Yosef LavivBoston, MA 022151598150237
  6. Justin Moore, M.D., PHDBoston, MA 022151346602406
  7. Sandeep MuramBoston, MA 022151427831262
  8. Christopher Ogilvy, MDBoston, MA 022151306836853

Common questions

What is Efstathios Papavassiliou, M.D.'s NPI number?

Efstathios Papavassiliou, M.D.'s National Provider Identifier (NPI) is 1073551024, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Efstathios Papavassiliou, M.D. located?

The NPPES record lists a practice address at 110 Francis St, Boston, MA, 02215. Phone: (617) 632-7246. Providers update this record themselves, so call before visiting.

How can I verify Efstathios Papavassiliou, M.D.'s license?

NPPES lists Massachusetts license number 218315, 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 Efstathios Papavassiliou, M.D. prescribe under Medicare Part D?

In 2024, Efstathios Papavassiliou, M.D. had 11 Medicare Part D claims; the average among neurological surgery physician prescribers was 172. 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.