DR. CHANG O SON (M.D.) – Hematology & Oncology Physician, NPI 1396016838
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,934 INTERNAL MEDICINE in VA
Provider Addresses for DR. CHANG O SON (M.D.)
48 NEW MARKET SQUARE
JENCARE NEIGHBORHOOD MEDICAL NEW MARKET, LLC
NEWPORT NEWS, VA 23605
Phone: (757) 825-8030
Fax: (757) 244-9003
Type: Mailing
1638 OWEN DR STE 108
FAYETTEVILLE, NC 283043424
Phone: (910) 615-6910
Type: Location
1638 Owen Dr
Fayetteville, NC 283043424
Phone: (910) 615-6910
Type: Location
505 NE 87th Ave Ste 350
Vancouver, WA 986641965
Phone: (360) 514-2550
Fax: (360) 514-1927
Type: Location
48 New Market Square
JenCare Neighborhood Medical New Market, LLC
Newport News, VA 23605
Phone: (757) 825-8030
Fax: (757) 244-9003
Type: Location
6387 Ramsey St Unit 140
Fayetteville, NC 283119442
Phone: (910) 615-3840
Type: Location
225 Brightwater Dr Ste 100
Lillington, NC 275465156
Phone: (910) 984-3080
Type: Location
48 NEWMARKET SQ
NEWPORT NEWS, VA 236052721
Phone: (757) 825-8030
Fax: (757) 244-9003
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 48 Open Payments records for all available years, with a total value of $984.
Total Amount is formed as General ($984) + Research ($0) + Ownership ($0) = $984.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($253).
Total Amount
$984
General + Research + Ownership
Payments
48
Total payment records
General Amount
$984
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $253 |
| AstraZeneca Pharmaceuticals LP | $124 |
| GENZYME CORPORATION | $94 |
| PFIZER INC. | $62 |
| GlaxoSmithKline, LLC. | $44 |
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: 2025-03-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-12-31 (893 days ago).
Enrollment records
4
Earliest due date
2023-12-31
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 |
|---|---|---|---|---|
| I20141211001267 | I | Internal Medicine | VA | 2023-12-31 |
| I20180307001691 | I | Medical Oncology | NC | TBD |
| I20250103002122 | I | Hematology/Oncology | WA | TBD |
| I20250328003192 | I | Neurology | ND | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 | 92 | 58 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 64 | 42 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 22 | 22 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 21 | 21 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 18 | 14 | $0 |
Insurance plans in this area (ZIP 23605)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | VA | |
| Physical Therapist In Private Practice | VA | |
| Sleep Medicine | PA | |
| Pulmonary Disease | VA | |
| Radiation Oncology | FL | |
| Family Practice | VA | |
| Nurse Practitioner | VA | |
| General Surgery | WV | |
| Pulmonary Disease | NY | |
| Nurse Practitioner | VA |
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