DR. DANIEL TANDEL CHANG (M.D.) – Radiation Oncology Physician, NPI 1285722892
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
677 RADIATION ONCOLOGY in CA
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Provider Addresses for DR. DANIEL TANDEL CHANG (M.D.)
Cafe Salute, 875, Blake Wilbur Drive, Stanford, Palo Alto, Santa Clara County, California, 94305-6015, United States
STANFORD, CA 943055847
Phone: (650) 736-7143
Type: Location
875 Blake Wilbur Drive
Stanford, CA 943055847
Phone: (650) 736-7143
Type: Location
3621 S STATE ST
ANN ARBOR, MI 481081633
Phone: (734) 647-5299
Type: Mailing
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 481095000
Phone: (734) 936-4000
Type: Location
20143, Suisun Drive, Wilson Park, Cupertino, Santa Clara County, California, 95014, United States
CUPERTINO, CA 950144427
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 31 Open Payments records for all available years, with a total value of $29,486.
Total Amount is formed as General ($29,486) + Research ($0) + Ownership ($0) = $29,486.
Last reported payment date: 2024-10-30 • Largest payer in this snapshot: Siemens Medical Solutions USA, Inc. ($28,851).
Total Amount
$29,486
General + Research + Ownership
Payments
31
Total payment records
General Amount
$29,486
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Siemens Medical Solutions USA, Inc. | $28,851 |
| Mentor Worldwide LLC | $542 |
| Novocure Inc. | $54 |
| Mevion_Medical_Systems_Inc | $39 |
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: 2022-12-28
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 |
|---|---|---|---|---|
| I20221228001284 | I | Radiation Oncology | MI | 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 |
|---|---|---|---|---|
| 77300 | Calculation of radiation therapy dose | 86 | 18 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 39 | 22 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 34 | 13 | $0 |
| 77263 | Complex radiation therapy planning | 27 | 24 | $0 |
| 77332 | Design and construction of simple radiation treatment device | 24 | 18 | $0 |
Insurance plans in this area (ZIP 94305)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | CA | 77263 | Management of radiation therapy, complex | 56 | 53 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | FL | |
| Physical Medicine And Rehabilitation | MI | |
| A N E S T H E S I O L O G Y | MI | |
| - | MI | |
| - | MI | |
| Clinical Social Worker | MI | |
| Interventional Radiology | MI |
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