DR. CLAYTON CHEN (M.D.) – Therapeutic Radiology Physician, NPI 1598837569
Therapeutic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
677 RADIATION ONCOLOGY in CA
Provider Addresses for DR. CLAYTON CHEN (M.D.)
60MDG/SGQX
101 BODIN CIRCLE
TRAVIS AFB, CA 945351800
Phone: (707) 423-7691
Type: Location
101, Bodin Circle, Fairfield, Solano County, California, 94535, United States
TRAVIS AFB, CA 945351809
Phone: (707) 423-7691
Fax: (707) 423-7697
Type: Mailing
PHILLIPS-WANGENSTEEN BLDG FLOOR 1
516 DELAWARE STREET SE
MINNEAPOLIS, MN 55455
Phone: (612) 626-6146
Type: Location
227 Mahalani St
Radiation Oncology
Wailuku, HI 967932526
Phone: (808) 242-2600
Fax: (808) 242-2626
Type: Location
3231 BLACK OAK DR
EAGAN, MN 551212334
Phone: (612) 554-8852
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $38.
Total Amount is formed as General ($38) + Research ($0) + Ownership ($0) = $38.
Last reported payment date: 2023-06-20 • Largest payer in this snapshot: Lilly USA, LLC ($22).
Total Amount
$38
General + Research + Ownership
Payments
2
Total payment records
General Amount
$38
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $22 |
| Myriad Genetic Laboratories, Inc. | $16 |
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: 2024-01-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20190808003318 | I | Radiation Oncology | CA | TBD |
| I20240117003392 | I | Radiation Oncology | MN | 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 |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 230 | 48 | $0 |
| 77300 | Calculation of radiation therapy dose | 80 | 26 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 63 | 20 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 62 | 25 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 23 | 23 | $0 |
Insurance plans in this area (ZIP 94535)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MN | |
| Family Practice | WA | |
| Family Practice | MN | |
| Family Practice | MN | |
| N E U R O L O G Y | MN | |
| Physician Assistant | IA | |
| Diagnostic Radiology | CT | |
| Diagnostic Radiology | MN | |
| - | MN | |
| Family Practice | MN |
Reviews
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