Quick answers
- Does Alyssa Mariz L. Liwanag accept Medicare assignment?
- Medicare's clinician data says Alyssa Mariz L. Liwanag may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Alyssa Mariz L. Liwanag see?
- In 2024, CMS data shows 412 Original Medicare patients and 26,351 services for Alyssa Mariz L. Liwanag. This counts Original Medicare only and measures volume, not quality.
- What is Alyssa Mariz L. Liwanag's NPI number?
- 1255916284. 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 Alyssa Mariz L. Liwanag, 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 | 412 |
|---|---|
| Services billed to Medicare | 26,351 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)12,084 services
- Therapy procedure using functional activities (97530)6,759 services
- Therapy procedure using manual technique, each 15 minutes (97140)5,680 services
- Training for self-care or home management, each 15 minutes (97535)1,281 services
- Evaluation for occupational therapy, typically 30 minutes (97165)425 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 pressure75%
- High cholesterol75%
- Diabetes75%
- Arthritis75%
- Depression75%
- Ischemic heart disease66%
Practice locations
Addresses where Alyssa Mariz L. Liwanag is enrolled with Medicare (CMS data updated October 2, 2026).
- 1840 E 14th StBrooklyn, NY 11229 (929) 505‑9727
- 7907 Metropolitan AveMiddle Village, NY 11379 (919) 532‑2090
Group practices
Medicare enrollment lists Alyssa Mariz L. Liwanag as a member of this group (CMS data updated October 2, 2026).
- Visiting Therapy Service PT Ot and SLP PLLC3 clinicians in the group
Specialties
Find other clinicians: Occupational Therapist in Private Practice, New York →
Other occupational therapists in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Other clinicians in Visiting Therapy Service PT Ot and SLP PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OT |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1255916284 |
| 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