VASILEIOS ARSENIOS LIOUTAS M.D.
NPI 1831332535
Psychiatry & Neurology - Vascular Neurology in Boston, MA

Q: What is Vasileios Arsenios Lioutas's NPI number?

The NPI number for Vasileios Arsenios Lioutas is 1831332535. It was assigned to this individual provider in the NPPES registry on April 9, 2009.

Q: What is Vasileios Arsenios Lioutas's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Vascular Neurology, with taxonomy code 2084V0102X.

Active since April 09, 2009PECOS EnrolledAccepts Medicare Assignment

330 BROOKLINE AVE, BOSTON, MA 02215(617) 632-8913(617) 632-8920 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Vasileios Arsenios Lioutas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

VASILEIOS ARSENIOS LIOUTAS M.D. (NPI 1831332535) is an individual vascular neurology provider in Boston, Massachusetts, licensed in Massachusetts (251005) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1831332535

Entity TypeIndividualMale

Primary Taxonomy2084V0102X

Provider Legal NameVASILEIOS ARSENIOS LIOUTASCredential: M.D.

Location Address330 BROOKLINE AVEBoston, MA 02215-5400

Mailing Address330 Brookline AveBoston, MA 02215-5400

Phone(617) 632-8913

Fax(617) 632-8920

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateApril 9, 2009

Last NPPES UpdateJuly 16, 2026

NPPES CertifiedJuly 16, 2026

✔ NPI 1831332535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Vascular NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084V0102X

License✔ Licensed in MA · 251005

Definition

Vascular Neurology is a subspecialty in the evaluation, prevention, treatment and recovery from vascular diseases of the nervous system. This subspecialty includes the diagnosis and treatment of vascular events of arterial or venous origin from a large number of causes that affect the brain or spinal cord such as ischemic stroke, intracranial hemorrhage, spinal cord ischemia and spinal cord hemorrhage.

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 251005 (MA)

330 BROOKLINE AVE, Boston, MA 02215

Open in Google Maps ↗

Secondary Practice Locations 2

Location 125 Highland AveNewburyport, MA 01950-3867 · Phone (978) 463-1390

Location 2680 Centre StBrockton, MA 02302-3308 · Phone (508) 941-7000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Vasileios Arsenios Lioutas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749420966

PECOS Enrollment IDI20130712000030

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Vasileios Arsenios Lioutas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Beth Israel Deaconess Medical Center, Inc.

Same address

General Acute Care Hospital

330 BROOKLINE AVE, ST 207
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
1,477 clinicians in this Medicare group

NPI 1548202641 (617) 667-1961

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

Same address

Internal Medicine

330 BROOKLINE AVE
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
Also billed through NPI 1992745236 (Massachusetts)
2,579 clinicians in this Medicare group

NPI 1194765438 (617) 754-9600

Mount Auburn Professional Services Inc

2.8 mi

Internal Medicine

330 MOUNT AUBURN ST
Cambridge, MA 02138

Reassigned Medicare billing, Massachusetts enrollment
423 clinicians in this Medicare group

NPI 1992750996 (617) 499-5654

Signature Healthcare Medical Group Inc

20 mi

Internal Medicine

110 LIBERTY ST
Brockton, MA 02301

Reassigned Medicare billing, Massachusetts enrollment
409 clinicians in this Medicare group

NPI 1508804949 (508) 894-0400

Seacoast Affiliated Group Practice, Inc.

35 mi

Clinic/Center

25 HIGHLAND AVE
Newburyport, MA 01950

Reassigned Medicare billing, Massachusetts enrollment
90 clinicians in this Medicare group

NPI 1801892344 (978) 463-1390

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

234 services80 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

104 services44 patients

Ultrasound of within the brain blood flow 93888

An ultrasound of brain blood flow, also known as a Transcranial Doppler, is a painless procedure that uses sound waves to visualize the speed and direction of blood flow in your brain's arteries. It helps doctors detect conditions like stroke.

57 services11 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

51 services51 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

32 services32 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

30 services27 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220002

Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County

Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Needham

Acute Care Hospitals · Needham, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220083

Location148 Chestnut StreetNeedham, MA 02494 · Norfolk County

Emergency services

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220086

Location330 Brookline AvenueBoston, MA 02215 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BETH ISRAEL DEACONESS MEDICAL CENTER

Chronic Disease Hospital (Children)

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 677-4042

DR. BRIAN DANIEL HOBBS MD, MMSC

Internal Medicine

330 BROOKLINE AVE, PULMONARY AND CRITICAL CARE DEPARTMENT
BOSTON, MA 02215

Suffolk County (617) 667-5864

ERICA DOMMASCH MD

Dermatology

330 BROOKLINE AVE, SHAPIRO 2
BOSTON, MA 02215

Suffolk County (617) 667-3753

VAHID KIARAD M.D

Anesthesiology

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 667-7000

DR. MICHAEL R GOLDSTEIN PHD

Psychologist (Clinical)

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 356-7246

SARA MURDOCK CAHILL MD

Hospitalist

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 667-7000

DR. DEVON ABT HARRIS MD

Obstetrics & Gynecology (Gynecologic Oncology)

330 BROOKLINE AVE, KIRSTEIN 3
BOSTON, MA 02215

Suffolk County (617) 667-3736

DR. ELIZABETH MAIER BALOUGH MD, PHD

Student in an Organized Health Care Education/Training Program

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 667-7000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Vasileios Arsenios Lioutas's NPI number?

The NPI number for Vasileios Arsenios Lioutas is 1831332535. It was assigned to this individual provider in the NPPES registry on April 9, 2009.

Where is Vasileios Arsenios Lioutas located?

Vasileios Arsenios Lioutas practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-8913.

What is Vasileios Arsenios Lioutas's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Vascular Neurology, with taxonomy code 2084V0102X.

Is Vasileios Arsenios Lioutas enrolled in Medicare?

Yes. Vasileios Arsenios Lioutas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Vasileios Arsenios Lioutas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vasileios Arsenios Lioutas reassigns Medicare benefits to 5 organizations: Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Mount Auburn Professional Services Inc (Cambridge, MA), Signature Healthcare Medical Group Inc (Brockton, MA) and Seacoast Affiliated Group Practice, Inc. (Newburyport, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vasileios Arsenios Lioutas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Vasileios Arsenios Lioutas accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Vasileios Arsenios Lioutas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Vasileios Arsenios Lioutas affiliated with any hospitals?

According to CMS data, Vasileios Arsenios Lioutas is affiliated with Mount Auburn Hospital, Beth Israel Deaconess Hospital - Needham and Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Vasileios Arsenios Lioutas was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.