Todd Ellerin, M.D.
NPI 1205837176 · Infectious Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Todd Ellerin, M.D. is a Infectious Disease Physician provider in Boston, MA (NPI 1205837176).
Provider details
- NPI number
- 1205837176
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 210477 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
396 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 181 | $181 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 94 | $136 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 84 | $124 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 21 | $134 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 16 | $51 |
Typical Medicare-allowed amounts for these services range $51–$181 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 104 |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 30 |
| Rifampin | 23 |
| Methenamine Hippurate | 20 |
| Cephalexin | 15 |
| Ertapenem Sodiumbrand: Ertapenem | 14 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 14 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 12 |
| Dicloxacillin Sodium | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$184,631 across 134 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
Additional practice locations (1)
- 55 Fogg RdWeymouth, MA 02190-2432Phone: (781) 340-3617Fax: (781) 340-3782
Registry dates
- Enumerated
- 2005-08-02
- Last updated
- 2020-09-15
- Certified
- 2020-09-15
Frequently asked questions
- What is Todd Ellerin's NPI number?
- Todd Ellerin's National Provider Identifier (NPI) is 1205837176, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Todd Ellerin's specialty?
- Todd Ellerin is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Todd Ellerin located?
- Todd Ellerin's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Todd Ellerin's phone number?
- The practice phone number listed in the NPPES registry for Todd Ellerin is (617) 732-5500.
- Does Todd Ellerin accept Medicare?
- Todd Ellerin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Todd Ellerin's NPI active?
- Yes — Todd Ellerin's NPI (1205837176) is active in the NPPES registry as of the last update on 2020-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.