Quick answers
- Does Alexander R. Peck accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander R. Peck 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 Alexander R. Peck see?
- In 2024, CMS data shows 503 Original Medicare patients and 113,985 services for Alexander R. Peck. This counts Original Medicare only and measures volume, not quality.
- What is Alexander R. Peck's NPI number?
- 1588197545. 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 Alexander R. Peck, 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 | 503 |
|---|---|
| Services billed to Medicare | 113,985 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0717)27,600 services
- Injection, romosozumab-aqqg, 1 mg (J3111)26,880 services
- Injection, denosumab, 1 mg (J0897)17,280 services
- Injection, golimumab, 1 mg, for intravenous use (J1602)14,050 services
- Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0129)5,825 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%
- Arthritis75%
- Osteoporosis73%
- High blood pressure69%
- Ischemic heart disease28%
- Diabetes24%
Hospitals where Alexander R. Peck works
Medicare's Facility Affiliation Data lists Alexander R. Peck at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Cedar-Sinai Marina del Rey HospitalMarina del Rey, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050740
- Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050625
- Santa Monica - UCLA Medical Center & Orthopaedic HospitalSanta Monica, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050112
- Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050351
Practice locations
Addresses where Alexander R. Peck is enrolled with Medicare (CMS data updated October 2, 2026).
- 1260 15th St, Suite 1400Santa Monica, CA 90404 (310) 297‑9221
- 5230 Pacific Concourse Dr, Suite 100Los Angeles, CA 90045 (310) 297‑9221
Group practices
Medicare enrollment lists Alexander R. Peck as a member of this group (CMS data updated October 2, 2026).
- Pacific Arthritis Care Center Inc3 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Other clinicians in Pacific Arthritis Care Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1588197545 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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