Eunji Back
NPI 1942919675 · Physician Assistant · Laguna Woods, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eunji Back is a Physician Assistant provider in Laguna Woods, CA (NPI 1942919675).
Provider details
- NPI number
- 1942919675
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
33 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Replacement of Knee Joint, Both Sides of Knee27447 | 33 | $183 |
Typical Medicare-allowed amounts for these services range $183–$183 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 418 | 141 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 315 | 177 |
| Gabapentin | 76 | 46 |
| Amoxicillin | 69 | 58 |
| Rivaroxabanbrand: Xarelto | 53 | 50 |
| Celecoxib | 41 | 11 |
| Tramadol Hcl | 28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-11-21
- Last updated
- 2024-01-23
- Certified
- 2024-01-23
Frequently asked questions
- What is Eunji Back's NPI number?
- Eunji Back's National Provider Identifier (NPI) is 1942919675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eunji Back's specialty?
- Eunji Back is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Eunji Back located?
- Eunji Back's practice location on file with NPPES is 24331 El Toro Rd Ste 200, Laguna Woods, CA 92637-3116.
- What is Eunji Back's phone number?
- The practice phone number listed in the NPPES registry for Eunji Back is (949) 586-3200.
- Does Eunji Back accept Medicare?
- Eunji Back is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eunji Back's NPI active?
- Yes — Eunji Back's NPI (1942919675) is active in the NPPES registry as of the last update on 2024-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.