Eriko Nakajima, PA-C
NPI 1528481421 · Physician Assistant · Downey, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eriko Nakajima, PA-C is a Physician Assistant provider in Downey, CA (NPI 1528481421).
Provider details
- NPI number
- 1528481421
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 51337 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
12 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 180 | 42 |
| Alendronate Sodium | 124 | 40 |
| Anastrozole | 66 | 22 |
| Exemestane | 49 | 15 |
| Osimertinib Mesylatebrand: Tagrisso | 47 | — |
| Prednisone | 43 | 14 |
| Hydroxyurea | 42 | 14 |
| Enzalutamidebrand: Xtandi | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,273 across 242 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
Additional practice locations (1)
- 1500 Duarte RdDuarte, CA 91010-3012Phone: (800) 826-4673
Registry dates
- Enumerated
- 2014-01-28
- Last updated
- 2026-02-06
- Certified
- 2026-02-06
Frequently asked questions
- What is Eriko Nakajima's NPI number?
- Eriko Nakajima's National Provider Identifier (NPI) is 1528481421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eriko Nakajima's specialty?
- Eriko Nakajima is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Eriko Nakajima located?
- Eriko Nakajima's practice location on file with NPPES is 11480 Brookshire Ave, Downey, CA 90241-5018.
- What is Eriko Nakajima's phone number?
- The practice phone number listed in the NPPES registry for Eriko Nakajima is (562) 869-1201.
- Does Eriko Nakajima accept Medicare?
- Eriko Nakajima is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eriko Nakajima's NPI active?
- Yes — Eriko Nakajima's NPI (1528481421) is active in the NPPES registry as of the last update on 2026-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.