CHAY UNG (MD) – Family Medicine Physician, NPI 1386641546
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,705 FAMILY PRACTICE in TX
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Provider Addresses for CHAY UNG (MD)
Shadow Creek Parkway, Pearland, Brazoria County, Texas, 77047-4593, United States
STE 8110
PEARLAND, TX 775847341
Phone: (281) 997-1261
Fax: (281) 997-1271
Type: Mailing
Pearland Meidcal Center, 10970, Shadow Creek Parkway, Shadow Creek Ranch, Pearland, Brazoria County, Texas, 77584, United States
SUITE 250
PEARLAND, TX 775840100
Phone: (713) 436-9475
Fax: (713) 436-9059
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $1,059.
Total Amount is formed as General ($1,059) + Research ($0) + Ownership ($0) = $1,059.
Last reported payment date: 2024-10-17 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($441).
Total Amount
$1,059
General + Research + Ownership
Payments
12
Total payment records
General Amount
$1,059
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $441 |
| Lilly USA, LLC | $239 |
| Novo Nordisk Inc | $124 |
| GlaxoSmithKline, LLC. | $124 |
| ViiV Healthcare Company | $109 |
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: 2005-08-02
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 |
|---|---|---|---|---|
| I20050802001188 | I | Family Practice | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 130 | 42 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 105 | 34 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 26 | 17 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 13 | 13 | $0 |
Insurance plans in this area (ZIP 77584)
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