DR. PIN-HUNG HSIEH (M.D.) – Internal Medicine Physician, NPI 1144323064
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for DR. PIN-HUNG HSIEH (M.D.)
Newport Avenue, Cowan Heights, North Tustin, Orange County, California, 92780, United States
TUSTIN, CA 927803707
Phone: (714) 573-8200
Fax: (714) 573-9401
Type: Location
PO BOX 15090
ANAHEIM, CA 928035090
Phone: (714) 577-2124
Fax: (714) 577-2125
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 47 Open Payments records for all available years, with a total value of $1,212.
Total Amount is formed as General ($1,212) + Research ($0) + Ownership ($0) = $1,212.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: UCB, Inc. ($218).
Total Amount
$1,212
General + Research + Ownership
Payments
47
Total payment records
General Amount
$1,212
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| UCB, Inc. | $218 |
| ABIOMED | $209 |
| Corcept Therapeutics | $112 |
| Lundbeck LLC | $93 |
| Otsuka America Pharmaceutical, Inc. | $76 |
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: 2005-03-07
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 |
|---|---|---|---|---|
| I20050307000309 | I | Internal Medicine | CA | 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 | 407 | 49 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 227 | 108 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 75 | 75 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 57 | 16 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 35 | 35 | $0 |
Insurance plans in this area (ZIP 92780)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| - | CA | |
| H O S P I T A L I S T | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Nurse Practitioner | CA |
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