Quick answers
- Where does Michael R. Lenihan see patients?
- Medicare's clinician data lists 2 practice locations, including San Diego, CA and Chula Vista, CA. Call before your visit to confirm the address.
- What is Michael R. Lenihan's specialty?
- Medicare lists Sports Medicine as the primary specialty, and also Orthopedic Surgery.
- Does Michael R. Lenihan accept Medicare assignment?
- Yes. Medicare's clinician data says Michael R. Lenihan 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 R. Lenihan?
- (858) 357-9477, as listed in official Medicare / NPI Registry data.
- What is Michael R. Lenihan's NPI number?
- 1699711846. 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 R. Lenihan is enrolled with Medicare (CMS data updated 2026-10-02).
- 9095 Rio San Diego Dr, Suite 450San Diego, CA 92108 (858) 357‑9477
- 955 Lane Ave, Suite 200Chula Vista, CA 91914 (619) 421‑3400
Group practices
Medicare enrollment lists Michael R. Lenihan as a member of this group (CMS data updated 2026-10-02).
- Synergy Orthopedic Specialists Inc68 clinicians in the group
Specialties
- Sports Medicineprimary
- Orthopedic Surgeryalso
Other sports medicine doctors in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699711846 |
| 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