DR. AN THIEN TANG (M.D.) – Internal Medicine Physician, NPI 1841357589
Internal Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. AN THIEN TANG (M.D.)
917 S PORT AVE STE 116
CORPUS CHRISTI, TX 784052301
Phone: (361) 887-0584
Fax: (361) 887-0586
Type: Location
Blue Lagoon Drive, Miami-Dade County, Florida, 33126, United States
MIAMI, FL 331262051
Phone: (305) 500-2027
Fax: (305) 500-2155
Type: Mailing
545 GULFGATE CENTER MALL
HOUSTON, TX 770873023
Phone: (281) 846-7209
Fax: (833) 845-2872
Type: Location
4700 MILLENIA BLVD STE 650
ORLANDO, FL 328396013
Phone: (407) 533-6836
Fax: (407) 232-9316
Type: Mailing
11978 WESTHEIMER RD STE B
HOUSTON, TX 770776669
Phone: (832) 406-4160
Fax: (855) 540-2516
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $23.
Total Amount is formed as General ($23) + Research ($0) + Ownership ($0) = $23.
Last reported payment date: 2023-04-07 • Largest payer in this snapshot: PFIZER INC. ($23).
Total Amount
$23
General + Research + Ownership
Payments
1
Total payment records
General Amount
$23
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $23 |
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: 2008-04-30
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 |
|---|---|---|---|---|
| I20080430000174 | I | Internal Medicine | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 78405)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | FL | |
| - | FL | |
| - | FL | |
| - | FL | |
| - | FL | |
| - | TX | |
| Nurse Practitioner | TX |
Reviews
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