DR. BRIAN CHI TAO PIEN (M.D.) – Infectious Disease Physician, NPI 1457436941
Infectious Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
36 INFECTIOUS DISEASE in HI
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Provider Addresses for DR. BRIAN CHI TAO PIEN (M.D.)
Junpuu, 1010, South King Street, Makiki Kai, Honolulu, Honolulu County, Hawaii, 96814, United States
SUITE 111
HONOLULU, HI 968141701
Phone: (808) 597-8765
Fax: (808) 597-6578
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 278 Open Payments records for all available years, with a total value of $5,481.
Total Amount is formed as General ($5,481) + Research ($0) + Ownership ($0) = $5,481.
Last reported payment date: 2024-12-21 • Largest payer in this snapshot: Insmed, Inc. ($1,355).
Total Amount
$5,481
General + Research + Ownership
Payments
278
Total payment records
General Amount
$5,481
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Insmed, Inc. | $1,355 |
| Gilead Sciences, Inc. | $1,309 |
| ViiV Healthcare Company | $951 |
| ABBVIE INC. | $717 |
| Shionogi Inc | $219 |
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: 2010-09-28
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 |
|---|---|---|---|---|
| I20100928001732 | I | Infectious Disease | HI | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,745 | 289 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 832 | 282 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 527 | 162 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 272 | 256 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 77 | 77 | $0 |
Insurance plans in this area (ZIP 96814)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Infectious Disease | HI | |
| Infectious Disease, Internal Medicine | HI |
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