Doctor profile · Federal record

Dr. Efstathios Papavassiliou, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Boston, MA

  • NPI 1073551024
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
110 Francis St, 3-B
Boston, MA 022155501
(617) 632-7246
fax (617) 632-0949
Mailing address
110 Francis Street, Suite 3B
Boston, MA 02215

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 15, 2011
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Massachusetts #218315
Medicaid
MA #2015480

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073551024. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
347
Distinct HCPCS
9
Medicare allowed
$107,981
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 82 82 $141
99214 Established patient office or other outpatient visit, 30-39 minutes 69 60 $103
63048 Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 49 26 $221
99215 Established patient office or other outpatient visit, 40-54 minutes 40 39 $150
22614 Fusion of additional segment of spine 36 16 $410
63047 Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 24 24 $1,000
99213 Established patient office or other outpatient visit, 20-29 minutes 19 18 $68
22842 Placement of stabilizing device to back, 3-6 spine bone segments 16 16 $801
22612 Fusion of spine in lower back 12 12 $1,636

In context: peer comparison

Among 38 peers in Boston Neurological Surgery Physician, average services per provider: 39. This provider delivers 8.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$43
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Imperative Care, INC 2 $42.96

By nature of payment

Food and Beverage
$43

Frequently asked questions

Auto-generated from federal data
What is Dr. Efstathios Papavassiliou's medical specialty?
Dr. Efstathios Papavassiliou practices Neurological Surgery Physician in Boston, MA.
Where does Dr. Efstathios Papavassiliou practice?
Dr. Efstathios Papavassiliou practices at 110 Francis St, Boston, MA 022155501. Office phone: 6176327246.
What is Dr. Efstathios Papavassiliou's NPI?
Dr. Efstathios Papavassiliou's National Provider Identifier (NPI) is 1073551024, issued by NPPES.
Does Dr. Efstathios Papavassiliou accept Medicare assignment?
Yes. Dr. Efstathios Papavassiliou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Efstathios Papavassiliou commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment (HCPCS 63048). Source: CMS Medicare Physician & Other Practitioners file.