THOMAS Y TSAI (M.D.) – Family Medicine Physician, NPI 1912010992
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,260 FAMILY PRACTICE in AZ
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Provider Addresses for THOMAS Y TSAI (M.D.)
2196, East Williams Field Road, Gilbert, Maricopa County, Arizona, 85295, United States
#116
GILBERT, AZ 852950754
Phone: (480) 237-1395
Fax: (602) 218-4076
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $997.
Total Amount is formed as General ($997) + Research ($0) + Ownership ($0) = $997.
Last reported payment date: 2024-09-26 • Largest payer in this snapshot: Dermavant Sciences, Inc. ($244).
Total Amount
$997
General + Research + Ownership
Payments
10
Total payment records
General Amount
$997
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Dermavant Sciences, Inc. | $244 |
| Regeneron Healthcare Solutions, Inc. | $244 |
| Janssen Biotech, Inc. | $137 |
| Lilly USA, LLC | $125 |
| ABBVIE INC. | $125 |
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: 2006-10-25
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 |
|---|---|---|---|---|
| I20061025000092 | I | Family Practice | AZ | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 214 | 98 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 78 | 51 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 62 | 49 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 26 | 19 | $0 |
| 90677 | Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 14 | 14 | $0 |
Insurance plans in this area (ZIP 85295)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | AZ | 90670 | Pneumococcal vaccine for injection into muscle | 15 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | AZ | |
| Family Practice | AZ | |
| Nurse Practitioner | ID | |
| Internal Medicine | AZ | |
| Nurse Practitioner | AZ | |
| - | KS | |
| - | CA | |
| Nurse Practitioner | CA | |
| - | AZ | |
| Physician Assistant | CA |
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