Quick answers
- Does Carmen Z. Porto accept Medicare assignment?
- Yes. Medicare's clinician data says Carmen Z. Porto accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Carmen Z. Porto see?
- In 2024, CMS data shows 44 Original Medicare patients and 29,288 services for Carmen Z. Porto. This counts Original Medicare only and measures volume, not quality.
- What is Carmen Z. Porto's NPI number?
- 1699375493. 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 Carmen Z. Porto, 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 | 44 |
|---|---|
| Services billed to Medicare | 29,288 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)1,200 services
- Injection of drug or substance under skin or into muscle (96372)29 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 cholesterol75%
- High blood pressure73%
- Osteoporosis66%
- Anxiety43%
- Ischemic heart disease30%
- Arthritis25%
Practice locations
Addresses where Carmen Z. Porto is enrolled with Medicare (CMS data updated October 2, 2026).
- 120 S Main StCenterville, MA 02632 (860) 966‑6727
- 161 Post RdWesterly, RI 02891 (860) 966‑6727
- 398 Bellevue AveNewport, RI 02840 (860) 966‑6727
- 807 Wilbraham RdSpringfield, MA 01109 (860) 966‑6727
Group practices
Medicare enrollment lists Carmen Z. Porto as a member of this group (CMS data updated October 2, 2026).
- Nexgen Healthcare LLC8 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Centerville
Clinicians with the same Medicare primary specialty in Centerville, MA — not a recommendation.
Other clinicians in Nexgen Healthcare LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699375493 |
| 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
- 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