Quick answers
- Does Ryan L. Santiago accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan L. Santiago 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 Ryan L. Santiago see?
- In 2024, CMS data shows 141 Original Medicare patients and 3,165 services for Ryan L. Santiago. This counts Original Medicare only and measures volume, not quality.
- What is Ryan L. Santiago's NPI number?
- 1073192241. 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 Ryan L. Santiago, 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 | 141 |
|---|---|
| Services billed to Medicare | 3,165 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, testosterone cypionate, 1 mg (J1071)2,855 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)110 services
- Injection of drug or substance under skin or into muscle (96372)35 services
- Telephone medical discussion with physician, 5-10 minutes (99441)31 services
- Ultrasound measurement of bladder capacity after voiding (51798)22 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 blood pressure75%
- High cholesterol75%
- Ischemic heart disease54%
- Arthritis45%
- Anxiety28%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)27%
Practice locations
Addresses where Ryan L. Santiago is enrolled with Medicare (CMS data updated October 2, 2026).
- 2001 Santa Monica Blvd, Suite 460wSanta Monica, CA 90404 (310) 734‑0248
- 2336 Santa Monica Blvd, Suite 204Santa Monica, CA 90404 (310) 829‑6789
Group practices
Medicare enrollment lists Ryan L. Santiago as a member of this group (CMS data updated October 2, 2026).
- Providence Saint Johns Medical Foundation281 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Other clinicians in Providence Saint Johns Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1073192241 |
| 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