Thomas Greenough, M.D.
NPI 1184607665 · Infectious Disease Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Greenough, M.D. is a Infectious Disease Physician provider in Worcester, MA (NPI 1184607665).
Provider details
- NPI number
- 1184607665
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 77419 (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
302 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 80 | $117 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $99 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 58 | $171 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 51 | $68 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 19 | $78 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dolutegravir Sodiumbrand: Tivicay | 113 | 12 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 85 | — |
| Abacavir/Dolutegravir/Lamivudibrand: Triumeq | 63 | — |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 58 | — |
| Ketoconazole | 47 | — |
| Darunavir/Cobicistatbrand: Prezcobix | 38 | — |
| Abacavir Sulfatebrand: Abacavir |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20,221 across 2 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)
- 119 Belmont StWorcester, MA 01605-2903Phone: (508) 334-1720
Registry dates
- Enumerated
- 2005-11-29
- Last updated
- 2026-01-15
- Certified
- 2026-01-15
Frequently asked questions
- What is Thomas Greenough's NPI number?
- Thomas Greenough's National Provider Identifier (NPI) is 1184607665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Greenough's specialty?
- Thomas Greenough is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Greenough located?
- Thomas Greenough's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Thomas Greenough's phone number?
- The practice phone number listed in the NPPES registry for Thomas Greenough is (774) 441-8230.
- Does Thomas Greenough accept Medicare?
- Thomas Greenough is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Greenough's NPI active?
- Yes — Thomas Greenough's NPI (1184607665) is active in the NPPES registry as of the last update on 2026-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.