Quick answers
- Does Gustavo Mathieu Fornet accept Medicare assignment?
- Yes. Medicare's clinician data says Gustavo Mathieu Fornet 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 Gustavo Mathieu Fornet see?
- In 2024, CMS data shows 152 Original Medicare patients and 591 services for Gustavo Mathieu Fornet. This counts Original Medicare only and measures volume, not quality.
- What is Gustavo Mathieu Fornet's NPI number?
- 1245698471. 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 Gustavo Mathieu Fornet, 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 | 152 |
|---|---|
| Services billed to Medicare | 591 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 47 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)223 services
- Psychiatric diagnostic evaluation with medical services (90792)146 services
- Psychotherapy with evaluation and management visit, 30 minutes (90833)130 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)70 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)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).
- Depression75%
- Anxiety75%
- High blood pressure41%
- High cholesterol25%
- Asthma22%
- Diabetes18%
Practice locations
Addresses where Gustavo Mathieu Fornet is enrolled with Medicare (CMS data updated October 2, 2026).
- 1441 Broadway, Fl 3New York, NY 10018 (917) 994‑0057
- 1919 University Ave W, Suite 100Saint Paul, MN 55104 (651) 447‑3755
- 2550 University Ave W, Suite 130nSaint Paul, MN 55114 (651) 447‑3755
- 347 5th Ave, Rm 1303New York, NY 10016 (917) 944‑0057
Group practices
Medicare enrollment lists Gustavo Mathieu Fornet as a member of these groups (CMS data updated October 2, 2026).
- Sasaki Medical LLC21 clinicians in the group
- Psychiatry Matters NY PC2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in Sasaki Medical LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | University Of Cincinnati College Of Medicine |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245698471 |
| 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