CASSIE NAOMI CHAN (MD) – Neuromuscular Medicine (Psychiatry & Neurology) Physician, NPI 1407345499
Neuromuscular Medicine (Psychiatry & Neurology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,738 NEUROLOGY in TX
Provider Addresses for CASSIE NAOMI CHAN (MD)
8300 FLOYD CURL DR FL 8
SAN ANTONIO, TX 782293931
Phone: (210) 450-9700
Fax: (210) 450-6039
Type: Location
5303 HAMILTON WOLFE RD APT 1310
SAN ANTONIO, TX 782294367
Phone:
Type: Mailing
4502 MEDICAL DR
SAN ANTONIO, TX 782294492
Phone: (210) 358-4000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $629.
Total Amount is formed as General ($629) + Research ($0) + Ownership ($0) = $629.
Last reported payment date: 2024-09-10 • Largest payer in this snapshot: UCB, Inc. ($275).
Total Amount
$629
General + Research + Ownership
Payments
7
Total payment records
General Amount
$629
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| UCB, Inc. | $275 |
| ABBVIE INC. | $125 |
| Alexion Pharmaceuticals, Inc. | $122 |
| Grifols USA, LLC | $78 |
| MITSUBISHI TANABE PHARMA AMERICA, INC. | $28 |
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: 2023-09-27
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 |
|---|---|---|---|---|
| I20230927002434 | I | Neurology | 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 |
|---|---|---|---|---|
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 78229)
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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 |
Reviews
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