Benjamin Prentiss, M.D.
NPI 1346338274 · Internal Medicine Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Prentiss, M.D. is a Internal Medicine Physician provider in Worcester, MA (NPI 1346338274).
Provider details
- NPI number
- 1346338274
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 230394 (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
19 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
2,230 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 857 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 271 | $98 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 253 | $68 |
| Physician Review, Interpretation, and Patient Management of Home Inr Testing for Patient With Either Mechanical Heart Valve(s), Chronic Atrial Fibrillation, Or Venous Thromboembolism Who Meets Medicare Coverage Criteria; Testing Not Occurring More FrequentG0250 | 110 | $9 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 95 | $169 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 501 | 98 |
| Metoprolol Succinate | 403 | 101 |
| Atorvastatin Calcium | 380 | 92 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 226 | 59 |
| Amlodipine Besylate | 206 | 53 |
| Carvedilol | 189 | 62 |
| Furosemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$160 across 3 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
- 2006-10-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Benjamin Prentiss's NPI number?
- Benjamin Prentiss's National Provider Identifier (NPI) is 1346338274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Prentiss's specialty?
- Benjamin Prentiss is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Prentiss located?
- Benjamin Prentiss's practice location on file with NPPES is Umass Memorial Healthcare, Worcester, MA 01655.
- What is Benjamin Prentiss's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Prentiss is (508) 334-1000.
- Does Benjamin Prentiss accept Medicare?
- Benjamin Prentiss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Prentiss's NPI active?
- Yes — Benjamin Prentiss's NPI (1346338274) 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.