Marc Theroux, MD
NPI 1497742514 · Internal Medicine Physician · Fall River, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Theroux, MD is a Internal Medicine Physician provider in Fall River, MA (NPI 1497742514).
Provider details
- NPI number
- 1497742514
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 72558 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,226 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 506 | $136 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 431 | $67 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 165 | $51 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 33 | $58 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 25 | $94 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 134 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 431 | 144 |
| Atorvastatin Calcium | 355 | 112 |
| Lisinopril | 346 | 109 |
| Amlodipine Besylate | 262 | 89 |
| Levothyroxine Sodium | 259 | 90 |
| Omeprazole | 246 | 87 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-04
- Last updated
- 2020-04-27
- Certified
- 2020-04-27
Frequently asked questions
- What is Marc Theroux's NPI number?
- Marc Theroux's National Provider Identifier (NPI) is 1497742514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Theroux's specialty?
- Marc Theroux is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Theroux located?
- Marc Theroux's practice location on file with NPPES is 534 Prospect St, Fall River, MA 02720-5239.
- What is Marc Theroux's phone number?
- The practice phone number listed in the NPPES registry for Marc Theroux is (508) 973-7766.
- Does Marc Theroux accept Medicare?
- Marc Theroux is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Theroux's NPI active?
- Yes — Marc Theroux's NPI (1497742514) is active in the NPPES registry as of the last update on 2020-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.