Quick answers
- Does Melanie M. Gnazzo accept Medicare assignment?
- Medicare's clinician data says Melanie M. Gnazzo may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Melanie M. Gnazzo see?
- In 2024, CMS data shows 38 Original Medicare patients and 80 services for Melanie M. Gnazzo. This counts Original Medicare only and measures volume, not quality.
- What is Melanie M. Gnazzo's NPI number?
- 1962646083. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Melanie M. Gnazzo, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 38 |
|---|---|
| Services billed to Medicare | 80 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 65 |
Most frequent services
- Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)31 services
- Hemoglobin a1c level (83036)15 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure74%
- Diabetes50%
- High cholesterol47%
- Depression45%
- Anxiety34%
Hospitals where Melanie M. Gnazzo works
Medicare's Facility Affiliation Data lists Melanie M. Gnazzo at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- UMass Memorial Medical Center/University CampusWorcester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220163
Practice locations
Addresses where Melanie M. Gnazzo is enrolled with Medicare (CMS data updated October 2, 2026).
- 26 Queen StWorcester, MA 01610 (508) 860‑7800
Group practices
Medicare enrollment lists Melanie M. Gnazzo as a member of this group (CMS data updated October 2, 2026).
- Family Health Center of Worcester, Inc.92 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Worcester
Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.
Other clinicians in Family Health Center of Worcester, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1962646083 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians