DEVI MEYYAPPAN – Medical Oncology Physician, NPI 1619138336
Medical Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
770 MEDICAL ONCOLOGY in TX
Provider Addresses for DEVI MEYYAPPAN
301 UNIVERSITY BLVD
GALVESTON, TX 775550565
Phone: (409) 772-2653
Fax: (409) 772-3533
Type: Mailing
7979 WURZBACH RD # 8232
SAN ANTONIO, TX 782294427
Phone: (210) 450-1438
Type: Mailing
7979 WURZBACH RD
SAN ANTONIO, TX 782294427
Phone: (210) 450-1818
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $2,586.
Total Amount is formed as General ($2,586) + Research ($0) + Ownership ($0) = $2,586.
Last reported payment date: 2024-11-19 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($1,889).
Total Amount
$2,586
General + Research + Ownership
Payments
17
Total payment records
General Amount
$2,586
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $1,889 |
| Regeneron Healthcare Solutions, Inc. | $142 |
| AstraZeneca Pharmaceuticals LP | $125 |
| Incyte Corporation | $117 |
| Mirati Therapeutics, Inc. | $117 |
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: 2018-08-28
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 |
|---|---|---|---|---|
| I20180828003978 | I | Medical Oncology | TX | 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 | 9,200 | 23 | $0 |
| J9144 | Injection, daratumumab, 10 mg and hyaluronidase-fihj | 4,860 | 13 | $0 |
| J1453 | Injection, fosaprepitant, 1 mg | 3,900 | 20 | $0 |
| J0897 | Injection, denosumab, 1 mg | 3,240 | 15 | $0 |
| J9030 | Bcg live intravesical instillation, 1 mg | 2,702 | 32 | $0 |
Insurance plans in this area (ZIP 77555)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| - | TX | |
| - | TX | |
| Internal Medicine, Hospitalist | TX | |
| - | TX | |
| - | TX | |
| Internal Medicine, Hematology/Oncology | TX | |
| - | TX | |
| Hematology/Oncology, Medical Oncology | TX | |
| - | TX |
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