Quick answers
- Does Maria De Vivo accept Medicare assignment?
- Yes. Medicare's clinician data says Maria De Vivo 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 Maria De Vivo see?
- In 2024, CMS data shows 118 Original Medicare patients and 126 services for Maria De Vivo. This counts Original Medicare only and measures volume, not quality.
- What is Maria De Vivo's NPI number?
- 1922546514. 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 Maria De Vivo, 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 | 118 |
|---|---|
| Services billed to Medicare | 126 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Replacement of knee joint, both sides of knee (27447)55 services
- Replacement of thigh bone and hip joint with prosthesis (27130)52 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%
- Arthritis75%
- High blood pressure64%
- Ischemic heart disease25%
- Anxiety20%
- Osteoporosis18%
Hospitals where Maria De Vivo works
Medicare's Facility Affiliation Data lists Maria De Vivo 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.
- Hospital for Special SurgeryNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 330270
- Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006
Practice locations
Addresses where Maria De Vivo is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1 Blachley RdStamford, CT 06902 (212) 774‑7598
- 1 Hospital PlzStamford, CT 06902 (203) 276‑1000
- 1931 Black Rock TpkeFairfield, CT 06825 (203) 384‑8681
- 29 Hospital PlzStamford, CT 06902
- 4 Hospital Plz, Suite 102Stamford, CT 06902 (203) 276‑2330
Group practices
Medicare enrollment lists Maria De Vivo as a member of these groups (CMS data updated October 2, 2026).
- Rehabilitation Associates Inc529 clinicians in the group
- Stamford Health Medical Group Inc444 clinicians in the group
- NY Society for the Relief of Ruptured and Crippled Maintaining183 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Stamford
Clinicians with the same Medicare primary specialty in Stamford, CT — not a recommendation.
Other clinicians in Rehabilitation Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2016 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922546514 |
| 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