Quick answers
- Which hospitals does Ross P. Nathan work at?
- Medicare's official clinician data lists Ross P. Nathan at 2 hospitals: Memorialcare Long Beach Medical Center and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ross P. Nathan see patients?
- Medicare's clinician data lists 1 practice location in Long Beach, CA. Call before your visit to confirm the address.
- What is Ross P. Nathan's specialty?
- Medicare lists Hand Surgery as the primary specialty, and also Orthopedic Surgery.
- Does Ross P. Nathan accept Medicare assignment?
- Yes. Medicare's clinician data says Ross P. Nathan 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 Ross P. Nathan?
- (562) 424-9000, as listed in official Medicare / NPI Registry data.
- What is Ross P. Nathan's NPI number?
- 1013957679. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ross P. Nathan works
Medicare's Facility Affiliation Data lists Ross P. Nathan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · CCN 050485
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where Ross P. Nathan is enrolled with Medicare (CMS data updated 2026-10-02).
- 3633 Long Beach Blvd, Suite 100Long Beach, CA 90807 (562) 424‑9000
Group practices
Medicare enrollment lists Ross P. Nathan as a member of this group (CMS data updated 2026-10-02).
- Ross Nathan MD, Inc.2 clinicians in the group
Specialties
- Hand Surgeryprimary
- Orthopedic Surgeryalso
Other hand surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013957679 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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