DR. CHRISTOPHER HAEKANG CHAY (M.D.) – Hematology & Oncology Physician, NPI 1699764878
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
515 HEMATOLOGY/ONCOLOGY in NC
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Provider Addresses for DR. CHRISTOPHER HAEKANG CHAY (M.D.)
PO BOX 117287
ATLANTA, GA 303687287
Phone: (239) 274-8200
Type: Mailing
551, Brevard Road, Asheville, Buncombe County, North Carolina, 28806, United States
ASHEVILLE, NC 288062316
Phone: (828) 212-7021
Fax: (828) 232-8218
Type: Location
PO BOX 749495
ATLANTA, GA 303749495
Phone: (239) 432-8331
Fax: (831) 321-1296
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 112 Open Payments records for all available years, with a total value of $8,352.
Total Amount is formed as General ($5,801) + Research ($2,551) + Ownership ($0) = $8,352.
Last reported payment date: 2024-12-24 • Largest payer in this snapshot: Eli Lilly and Company ($2,551).
Total Amount
$8,352
General + Research + Ownership
Payments
112
Total payment records
General Amount
$5,801
General payments
Research Amount
$2,551
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Eli Lilly and Company | $2,551 |
| Seagen Inc. | $1,652 |
| Rigel Pharmaceuticals, Inc. | $1,024 |
| Daiichi Sankyo Inc. | $843 |
| Novartis Pharmaceuticals Corporation | $268 |
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: 2008-01-09
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 |
|---|---|---|---|---|
| I20080109000890 | I | Hematology/Oncology | NC | 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 |
|---|---|---|---|---|
| J9271 | Injection, pembrolizumab, 1 mg | 12,600 | 35 | $0 |
| J9299 | Injection, nivolumab, 1 mg | 10,800 | 14 | $0 |
| J0897 | Injection, denosumab, 1 mg | 7,260 | 43 | $0 |
| J9267 | Injection, paclitaxel, 1 mg | 6,483 | 20 | $0 |
| J0185 | Injection, aprepitant, 1 mg | 5,200 | 31 | $0 |
Insurance plans in this area (ZIP 30368)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | NC | 85610 | Blood test, clotting time | 39 | 16 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IN | |
| H E M A T O L O G Y/ O N C O L O G Y | DE | |
| Nurse Practitioner | NC | |
| Nurse Practitioner | FL | |
| P A T H O L O G Y | FL | |
| Nurse Practitioner | KS | |
| - | MO | |
| Nurse Practitioner | MD | |
| - | GA | |
| - | FL |
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