Quick answers
- Does Courtney Lam accept Medicare assignment?
- Yes. Medicare's clinician data says Courtney Lam 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 Courtney Lam see?
- In 2024, CMS data shows 50 Original Medicare patients and 5,137 services for Courtney Lam. This counts Original Medicare only and measures volume, not quality.
- What is Courtney Lam's NPI number?
- 1538828421. 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 Courtney Lam, 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 | 50 |
|---|---|
| Services billed to Medicare | 5,137 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)1,842 services
- Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)1,178 services
- Therapy procedure using manual technique, each 15 minutes (97140)912 services
- Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care (G0283)423 services
- Evaluation for physical therapy, typically 30 minutes (97162)23 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%
- Arthritis64%
- Diabetes48%
- Ischemic heart disease44%
- Osteoporosis30%
Practice locations
Addresses where Courtney Lam is enrolled with Medicare (CMS data updated October 2, 2026).
- 82 Lamberts LnStaten Island, NY 10314 (718) 477‑5479
Group practices
Medicare enrollment lists Courtney Lam as a member of this group (CMS data updated October 2, 2026).
- Gregory Montalbano MD, PLLC7 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, New York →
Other physical therapists in Staten Island
Clinicians with the same Medicare primary specialty in Staten Island, NY — not a recommendation.
Other clinicians in Gregory Montalbano MD, PLLC
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) | 1538828421 |
| 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