Reiko Sasaki, NP-C
NPI 1891010930 · Adult Health Nurse Practitioner · Los Angeles, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reiko Sasaki, NP-C is a Adult Health Nurse Practitioner provider in Los Angeles, CA (NPI 1891010930).
Provider details
- NPI number
- 1891010930
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- NP 21736 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,026 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 382 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 376 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 113 | $93 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 89 | $128 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 38 | $31 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 305 | 60 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 183 | 71 |
| Tirzepatidebrand: Mounjaro | 107 | 21 |
| Insulin Degludecbrand: Tresiba Flextouch U-100 | 97 | 33 |
| Metformin Hcl | 97 | 34 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 91 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$412 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-03-31
- Last updated
- 2023-11-27
- Certified
- 2020-09-17
Frequently asked questions
- What is Reiko Sasaki's NPI number?
- Reiko Sasaki's National Provider Identifier (NPI) is 1891010930, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reiko Sasaki's specialty?
- Reiko Sasaki is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Reiko Sasaki located?
- Reiko Sasaki's practice location on file with NPPES is 1520 San Pablo St, Los Angeles, CA 90033-5310.
- What is Reiko Sasaki's phone number?
- The practice phone number listed in the NPPES registry for Reiko Sasaki is (323) 442-5100.
- Does Reiko Sasaki accept Medicare?
- Reiko Sasaki is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reiko Sasaki's NPI active?
- Yes — Reiko Sasaki's NPI (1891010930) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.