DR. JOHN T HSIEH (M.D.) – Nephrology Physician, NPI 1659376606
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,558 INTERNAL MEDICINE in CA
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Provider Addresses for DR. JOHN T HSIEH (M.D.)
Moffatt & Nichol, 3780, Kilroy Airport Way, Kilroy Airport Center, Long Beach, Los Angeles County, California, 90815, United States
SUITE 115
LONG BEACH, CA 908062457
Phone: (562) 595-7426
Fax: (562) 989-3054
Type: Mailing
Kilroy Airport Way, Kilroy Airport Center, Long Beach, Los Angeles County, California, 90815, United States
LONG BEACH, CA 90806
Phone: (562) 595-7426
Fax: (562) 989-3054
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 64 Open Payments records for all available years, with a total value of $1,549.
Total Amount is formed as General ($1,549) + Research ($0) + Ownership ($0) = $1,549.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Bayer Healthcare Pharmaceuticals Inc. ($177).
Total Amount
$1,549
General + Research + Ownership
Payments
64
Total payment records
General Amount
$1,549
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2004-12-01
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20041201001120 | I | Nephrology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 676 | 312 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 491 | 152 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 115 | 29 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 114 | 84 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 68 | 62 | $0 |
Insurance plans in this area (ZIP 90806)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| Internal Medicine, Nephrology | CA | |
| Nephrology, Internal Medicine | CA | |
| N E P H R O L O G Y | CA |
Reviews
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