Ko Geng Liuo
NPI 1841683406 · Psychiatric/Mental Health Nurse Practitioner · Santa Ana, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ko Geng Liuo is a Psychiatric/Mental Health Nurse Practitioner provider in Santa Ana, CA (NPI 1841683406).
Provider details
- NPI number
- 1841683406
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 95001948 (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
11 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
878 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 480 | $84 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 315 | $97 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 83 | $97 |
Typical Medicare-allowed amounts for these services range $84–$97 (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 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 201 | 37 |
| Alprazolam | 167 | 34 |
| Gabapentin | 157 | 47 |
| Quetiapine Fumarate | 149 | 37 |
| Trazodone Hcl | 132 | 36 |
| Sertraline Hcl | 112 | 27 |
| Aripiprazole | 111 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$563 across 25 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
- 2015-03-06
- Last updated
- 2017-01-11
Frequently asked questions
- What is Ko Geng Liuo's NPI number?
- Ko Geng Liuo's National Provider Identifier (NPI) is 1841683406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ko Geng Liuo's specialty?
- Ko Geng Liuo is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ko Geng Liuo located?
- Ko Geng Liuo's practice location on file with NPPES is 1200 N Main St, Santa Ana, CA 92701-3640.
- What is Ko Geng Liuo's phone number?
- The practice phone number listed in the NPPES registry for Ko Geng Liuo is (714) 824-8140.
- Does Ko Geng Liuo accept Medicare?
- Ko Geng Liuo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ko Geng Liuo's NPI active?
- Yes — Ko Geng Liuo's NPI (1841683406) is active in the NPPES registry as of the last update on 2017-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.