Yen Anker, NP
NPI 1104273309 · Nurse Practitioner · Aliso Viejo, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yen Anker, NP is a Nurse Practitioner provider in Aliso Viejo, CA (NPI 1104273309).
Provider details
- NPI number
- 1104273309
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- NP95003992 (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 tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
416 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 372 | $70 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 24 | $73 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 20 | $153 |
Typical Medicare-allowed amounts for these services range $70–$153 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Aripiprazole | 23 |
| Lamotrigine | 22 |
| Hydroxyzine Hcl | 21 |
| Topiramate | 18 |
| Ziprasidone Hcl | 18 |
| Buspirone Hcl | 15 |
| Desvenlafaxine Succinatebrand: Desvenlafaxine Succinate Er | 15 |
| Escitalopram Oxalate | 15 |
| Risperidone | 13 |
| Cariprazine Hclbrand: Vraylar | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$119 across 1 record (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)
- 16300 Sand Canyon Ave Ste 207Irvine, CA 92618-3712Phone: (949) 333-7580Fax: (949) 333-7599
Registry dates
- Enumerated
- 2016-05-17
- Last updated
- 2025-12-03
- Certified
- 2025-12-03
Frequently asked questions
- What is Yen Anker's NPI number?
- Yen Anker's National Provider Identifier (NPI) is 1104273309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yen Anker's specialty?
- Yen Anker is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Yen Anker located?
- Yen Anker's practice location on file with NPPES is 24552 Pacific Park Dr, Aliso Viejo, CA 92656.
- What is Yen Anker's phone number?
- The practice phone number listed in the NPPES registry for Yen Anker is (949) 565-2377.
- Does Yen Anker accept Medicare?
- Yen Anker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yen Anker's NPI active?
- Yes — Yen Anker's NPI (1104273309) is active in the NPPES registry as of the last update on 2025-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.