Quick answers
- Does Geoffrey J. Lew accept Medicare assignment?
- Yes. Medicare's clinician data says Geoffrey J. Lew 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 Geoffrey J. Lew see?
- In 2024, CMS data shows 60 Original Medicare patients and 3,697 services for Geoffrey J. Lew. This counts Original Medicare only and measures volume, not quality.
- What is Geoffrey J. Lew's NPI number?
- 1437163086. 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 Geoffrey J. Lew, 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 | 60 |
|---|---|
| Services billed to Medicare | 3,697 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Therapy procedure using manual technique, each 15 minutes (97140)1,040 services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)780 services
- Therapy procedure using functional activities (97530)707 services
- Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)694 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)263 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%
- Arthritis67%
- High blood pressure62%
- Asthma22%
- Osteoporosis18%
Practice locations
Addresses where Geoffrey J. Lew is enrolled with Medicare (CMS data updated October 2, 2026).
- 1941 Ofarrell St, Suite 115San Mateo, CA 94403 (650) 343‑5678
Group practices
Medicare enrollment lists Geoffrey J. Lew as a member of this group (CMS data updated October 2, 2026).
- Corkish and Lew a Professional Physical Therapy Corporation10 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, California →
Other physical therapists in San Mateo
Clinicians with the same Medicare primary specialty in San Mateo, CA — not a recommendation.
Other clinicians in Corkish and Lew a Professional Physical Therapy Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| School | University Of Southern California Keck School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437163086 |
| 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