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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

THOMAS T SIMOPOULOS M.D.
NPI 1295774289
Anesthesiology - Pain Medicine in Boston, MA

Active since June 05, 2006PECOS Enrolled
330 BROOKLINE AVE, BOSTON, MA 02215(617) 667-3334 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Thomas T Simopoulos M.d. NPPES

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

THOMAS T SIMOPOULOS M.D. (NPI 1295774289) is an individual pain medicine provider in Boston, Massachusetts, licensed in Massachusetts (159056) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of University Of Massachusetts Medical School (1995).

NPPES Registry Identity

NPI1295774289
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameTHOMAS T SIMOPOULOSCredential: M.D.
Location Address330 BROOKLINE AVEBoston, MA 02215-5400
Mailing Address10 Andrews WaySouthborough, MA 01772-1024 · (617) 667-3334
Phone(617) 667-3334
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 1995
Enumeration DateJune 5, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1295774289 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in MA · 159056
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
330 BROOKLINE AVE, Boston, MA 02215
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Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas T Simopoulos 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 ID1456332162
PECOS Enrollment IDI20040527001365
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.

Areas of Expertise CMS Part B claims 10

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.

Injection of substance into lower spine canal using imaging guidance 62323
This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.
168 services93 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.
159 services110 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
137 services101 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
63 services63 patients
Injection of substance into middle or upper spine canal using imaging guidance 62321
This procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.
33 services18 patients
Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096
This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.
22 services15 patients

Hospital Affiliations CMS Care Compare 4

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

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. JONATHAN DAVID THOMAS MD
Internal Medicine (Hematology)
330 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 667-7000
JULIA MARIE BERG MD
Internal Medicine
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

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 Thomas Simopoulos's NPI number?

The NPI number for Thomas Simopoulos is 1295774289. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Thomas Simopoulos located?

Thomas Simopoulos practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 667-3334.

What is Thomas Simopoulos's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Thomas Simopoulos enrolled in Medicare?

Yes. Thomas Simopoulos 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.

What insurance does Thomas Simopoulos accept?

Health plans from Anthem Blue Cross and Blue Shield list Thomas Simopoulos 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 Thomas Simopoulos affiliated with any hospitals?

According to CMS data, Thomas Simopoulos is affiliated with Mount Auburn Hospital, Massachusetts General Hospital, Beth Israel Deaconess Medical Center and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Simopoulos was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.