Daniel Massarelli, M.D.
NPI 1467435131 · Internal Medicine Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Massarelli, M.D. is a Internal Medicine Physician provider in Worcester, MA (NPI 1467435131).
Provider details
- NPI number
- 1467435131
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 58480 (MA)
Specialties & taxonomies
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
1,272 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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 382 | $48 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 360 | $84 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 199 | $58 |
| Administration of Pneumococcal VaccineG0009 | 75 | $33 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 50 | $107 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 775 | 217 |
| Amlodipine Besylate | 491 | 147 |
| Lisinopril | 478 | 142 |
| Losartan Potassium | 306 | 95 |
| Hydrochlorothiazide | 274 | 79 |
| Omeprazole | 251 | 86 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-27
- Last updated
- 2020-11-04
- Certified
- 2020-11-04
Frequently asked questions
- What is Daniel Massarelli's NPI number?
- Daniel Massarelli's National Provider Identifier (NPI) is 1467435131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Massarelli's specialty?
- Daniel Massarelli is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Massarelli located?
- Daniel Massarelli's practice location on file with NPPES is 1 W Boylston St, Worcester, MA 01605-1265.
- What is Daniel Massarelli's phone number?
- The practice phone number listed in the NPPES registry for Daniel Massarelli is (508) 334-8802.
- Does Daniel Massarelli accept Medicare?
- Daniel Massarelli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Massarelli's NPI active?
- Yes — Daniel Massarelli's NPI (1467435131) is active in the NPPES registry as of the last update on 2020-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.