MR. GANG GARY TIAN (M.D) – Hematology & Oncology Physician, NPI 1528066495
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
137 MEDICAL ONCOLOGY in TN
Provider Addresses for MR. GANG GARY TIAN (M.D)
7945 WOLF RIVER BOULEVARD
GERMANTOWN, TN 38138
Phone: (901) 683-0055
Fax: (901) 922-6701
Type: Mailing
100, North Humphreys Boulevard, East Memphis, Memphis, Shelby County, Tennessee, 38120, United States
MEMPHIS, TN 381202146
Phone: (901) 683-0055
Fax: (901) 685-9718
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 102 Open Payments records for all available years, with a total value of $21,933.
Total Amount is formed as General ($21,933) + Research ($0) + Ownership ($0) = $21,933.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: EMD Serono, Inc. ($12,773).
Total Amount
$21,933
General + Research + Ownership
Payments
102
Total payment records
General Amount
$21,933
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| EMD Serono, Inc. | $12,773 |
| BeiGene USA, Inc. | $2,697 |
| Aveo Pharmaceuticals, Inc. | $1,877 |
| Avyxa Pharma, LLC | $1,000 |
| Janssen Scientific Affairs, LLC | $840 |
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: 2007-08-17
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20070808000454 | I | Medical Oncology | MS | TBD |
| I20070817000444 | I | Hematology/Oncology | TN | 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 | 32,800 | 69 | $0 |
| J1439 | Injection, ferric carboxymaltose, 1 mg | 31,500 | 35 | $0 |
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 28,380 | 77 | $0 |
| J9299 | Injection, nivolumab, 1 mg | 21,220 | 30 | $0 |
| J9263 | Injection, oxaliplatin, 0.5 mg | 13,500 | 26 | $0 |
Insurance plans in this area (ZIP 38138)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| MEDICAL ONCOLOGY | TN | 85610 | Blood test, clotting time | 37 | 29 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TN | |
| - | TN | |
| - | TN | |
| Nurse Practitioner | TN | |
| Hematology/Oncology, Internal Medicine | TN | |
| - | TN | |
| - | TN | |
| H E M A T O L O G Y/ O N C O L O G Y | TN | |
| Nurse Practitioner | MS | |
| - | TN |
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