Quick answers
- Where does Michael S. Lewis see patients?
- Medicare's clinician data lists 4 practice locations, including Santa Monica, CA, Castro Valley, CA and Sylva, NC. Call before your visit to confirm the address.
- What is Michael S. Lewis's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Michael S. Lewis accept Medicare assignment?
- Yes. Medicare's clinician data says Michael S. Lewis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Michael S. Lewis?
- (310) 829-6789, as listed in official Medicare / NPI Registry data.
- What is Michael S. Lewis's NPI number?
- 1306047139. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Michael S. Lewis is enrolled with Medicare (CMS data updated 2026-10-02).
- 1301 20th St, Suite 280Santa Monica, CA 90404 (310) 829‑6789
- 19845 Lake Chabot Rd, Suite 104Castro Valley, CA 94546 (510) 537‑4415
- 26 Westcare Dr, Suite 302Sylva, NC 28779 (828) 586‑9200
- 30055 Northwestern Hwy, Suite 250Farmington Hills, MI 48334 (248) 985‑5000
Group practices
Medicare enrollment lists Michael S. Lewis as a member of these groups (CMS data updated 2026-10-02).
- Digestive Health Associates of Southern California16 clinicians in the group
- Digestive Health Consultants PLC10 clinicians in the group
- Western Carolina Digestive Consultants PA9 clinicians in the group
- Gastroenterology Specialists Medical Group Inc a Medical Corporation5 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306047139 |
| 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 2026-10-02, retrieved 2026-10-29
- 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