Quick answers
- Does Janice K. Miyakawa accept Medicare assignment?
- Yes. Medicare's clinician data says Janice K. Miyakawa 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 Janice K. Miyakawa see?
- In 2024, CMS data shows 248 Original Medicare patients and 1,633 services for Janice K. Miyakawa. This counts Original Medicare only and measures volume, not quality.
- What is Janice K. Miyakawa's NPI number?
- 1487684064. 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 Janice K. Miyakawa, 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 | 248 |
|---|---|
| Services billed to Medicare | 1,633 |
| Different services or procedures | 59 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)516 services
- Insertion of needle into vein for collection of blood sample (36415)314 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)131 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)117 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)74 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%
- High blood pressure56%
- Osteoporosis46%
- Arthritis44%
- Ischemic heart disease24%
- Anxiety19%
Hospitals where Janice K. Miyakawa works
Medicare's Facility Affiliation Data lists Janice K. Miyakawa 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.
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050262
- Saint John's Health CenterSanta Monica, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050290
- 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
Practice locations
Addresses where Janice K. Miyakawa is enrolled with Medicare (CMS data updated October 2, 2026).
- 901 Wilshire Blvd, Fl 2Santa Monica, CA 90401 (310) 829‑8908
Group practices
Medicare enrollment lists Janice K. Miyakawa as a member of this group (CMS data updated October 2, 2026).
- Providence Saint Johns Medical Foundation281 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors 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 | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1487684064 |
| 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