Thomas Simopoulos, M.D.
NPI 1295774289 · Pain Medicine (Anesthesiology) Physician · Boston, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Simopoulos, M.D. is a Pain Medicine (Anesthesiology) Physician provider in Boston, MA (NPI 1295774289).
Provider details
- NPI number
- 1295774289
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 159056 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
649 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 168 | $105 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 159 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 137 | $99 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 63 | $181 |
| Injection of Substance Into Middle Or Upper Spine Canal Using Imaging Guidance62321 | 33 | $113 |
| Injection of Anesthetic Or Steroid Into Joint Between Lower Spine and Hip Bone Using Imaging Guidance |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pregabalin | 89 | 32 |
| Gabapentin | 64 | 26 |
| Oxycodone Hcl | 38 | — |
| Tizanidine Hcl | 35 | 14 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 35 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 32 | — |
| Cyclobenzaprine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,541 across 17 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Simopoulos's NPI number?
- Thomas Simopoulos's National Provider Identifier (NPI) is 1295774289, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Simopoulos's specialty?
- Thomas Simopoulos is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Simopoulos located?
- Thomas Simopoulos's practice location on file with NPPES is 330 Brookline Ave, Boston, MA 02215-5400.
- What is Thomas Simopoulos's phone number?
- The practice phone number listed in the NPPES registry for Thomas Simopoulos is (617) 667-3334.
- Does Thomas Simopoulos accept Medicare?
- Thomas Simopoulos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Simopoulos's NPI active?
- Yes — Thomas Simopoulos's NPI (1295774289) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.