MRS. TINYEE TSAI CHANG (MD) – Dermatology Physician, NPI 1386861409
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,140 DERMATOLOGY in CA
Provider Addresses for MRS. TINYEE TSAI CHANG (MD)
2570 GOODWATER AVE
#300
REDDING, CA 960021548
Phone: (530) 221-3376
Fax: (530) 221-3378
Type: Mailing
375 SMILE PLACE SUITE B
REDDING, CA 96001
Phone: (530) 221-3376
Fax: (530) 221-3378
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 319 Open Payments records for all available years, with a total value of $6,068.
Total Amount is formed as General ($6,068) + Research ($0) + Ownership ($0) = $6,068.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($1,175).
Total Amount
$6,068
General + Research + Ownership
Payments
319
Total payment records
General Amount
$6,068
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
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,175 |
| Regeneron Healthcare Solutions, Inc. | $793 |
| Lilly USA, LLC | $578 |
| Janssen Biotech, Inc. | $550 |
| UCB, Inc. | $408 |
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: 2005-03-15
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 |
|---|---|---|---|---|
| I20050315000579 | I | Dermatology | 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 |
|---|---|---|---|---|
| 17004 | Destruction of precancer skin growth, 15 or more growths | 3,573 | 1,773 | $0 |
| 17110 | Destruction of skin growth, 1-14 growths | 2,318 | 1,487 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 2,270 | 1,417 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,959 | 1,137 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 1,683 | 1,191 | $0 |
Insurance plans in this area (ZIP 96002)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | CA | 11101 | Biopsy of each additional growth of skin and/or tissue | 23 | 20 |
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