MRS. HAIYAN LIU (CNS) – Clinical Nurse Specialist, NPI 1144481003
Clinical Nurse Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
191 CERTIFIED CLINICAL NURSE SPECIALIST (CNS) in TX
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Provider Addresses for MRS. HAIYAN LIU (CNS)
Happy Tree Service of Austin, 1108, Lavaca Street, Downtown, Austin, Travis County, Texas, 78701, United States
SUITE 110-320
AUSTIN, TX 787012172
Phone: (512) 477-4088
Fax: (512) 482-0390
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $1,170.
Total Amount is formed as General ($1,170) + Research ($0) + Ownership ($0) = $1,170.
Last reported payment date: 2024-10-17 • Largest payer in this snapshot: GENZYME CORPORATION ($376).
Total Amount
$1,170
General + Research + Ownership
Payments
12
Total payment records
General Amount
$1,170
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $376 |
| BIOTRONIK NRO, Inc. | $146 |
| AstraZeneca Pharmaceuticals LP | $122 |
| Gilead Sciences, Inc. | $116 |
| Teva Pharmaceuticals USA, Inc. | $100 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-10-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20081020000403 | I | Certified Clinical Nurse Specialist (Cns) | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 687 | 124 | $0 |
| 99310 | Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 302 | 123 | $0 |
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 140 | 42 | $0 |
| 99497 | Advance care planning, first 30 minutes | 62 | 41 | $0 |
| G0317 | Prolonged nursing facility evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualifi | 46 | 37 | $0 |
Insurance plans in this area (ZIP 78701)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Certified Clinical Nurse Specialist (Cns) | TX | |
| Certified Clinical Nurse Specialist (Cns) | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| - | TX | |
| Family Practice | TX | |
| Nurse Practitioner | TX |
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