DR. DANIEL C. HAN (MD) – Radiation Oncology Physician, NPI 1831192301
Radiation Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
255 RADIATION ONCOLOGY in MA
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Provider Addresses for DR. DANIEL C. HAN (MD)
PO BOX 415348 UMASS MEMORIAL MEDICAL GROUP INC
BOSTON, MA 022415348
Phone: (800) 225-8885
Fax: (508) 334-1977
Type: Mailing
UMASS Memorial Medical Center University Campus Hospital, 55, Lake Avenue North, Worcester, Worcester County, Massachusetts, 01653, United States
WORCESTER, MA 016550002
Phone: (774) 442-5551
Fax: (774) 442-5006
Type: Location
157 Union St
Marlborough, MA 017521228
Phone: (508) 486-6700
Fax: (508) 486-6705
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $160.
Total Amount is formed as General ($160) + Research ($0) + Ownership ($0) = $160.
Last reported payment date: 2024-09-18 • Largest payer in this snapshot: Novocure Inc. ($141).
Total Amount
$160
General + Research + Ownership
Payments
3
Total payment records
General Amount
$160
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novocure Inc. | $141 |
| AstraZeneca Pharmaceuticals LP | $20 |
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: 2023-02-16
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 |
|---|---|---|---|---|
| I20110113000860 | I | Radiation Oncology | MA | TBD |
| I20230216001404 | I | Radiation Oncology | VA | 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 |
|---|---|---|---|---|
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 918 | 46 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 448 | 100 | $0 |
| 77014 | Ct guidance for insertion of radiation therapy fields | 266 | 46 | $0 |
| 77300 | Calculation of radiation therapy dose | 253 | 105 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 193 | 60 | $0 |
Insurance plans in this area (ZIP 02241)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | MA | 77427 | Radiation treatment management, 5 treatments | 160 | 41 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | VA | |
| N E U R O L O G Y | MA | |
| General Surgery | VA | |
| - | VA | |
| - | VA | |
| General Surgery | VA | |
| Clinical Social Worker | VA | |
| E N D O C R I N O L O G Y | VA | |
| Internal Medicine, Sleep Medicine | VA | |
| Nurse Practitioner | OH |
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