JOHN SUN (MD) – Family Medicine Physician, NPI 1821082165
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,706 FAMILY PRACTICE in TX
Provider Addresses for JOHN SUN (MD)
11609 SPRING CYPRESS RD STE A
TOMBALL, TX 773778917
Phone: (281) 357-8588
Fax: (281) 357-8877
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 14 Open Payments records for all available years, with a total value of $1,048.
Total Amount is formed as General ($1,048) + Research ($0) + Ownership ($0) = $1,048.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Amgen Inc. ($519).
Total Amount
$1,048
General + Research + Ownership
Payments
14
Total payment records
General Amount
$1,048
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $519 |
| AstraZeneca Pharmaceuticals LP | $239 |
| Bayer Healthcare Pharmaceuticals Inc. | $122 |
| Astellas Pharma US Inc | $90 |
| GlaxoSmithKline, LLC. | $31 |
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: 2005-03-08
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 |
|---|---|---|---|---|
| I20050308000547 | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 94 | 61 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 82 | 57 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 25 | 25 | $0 |
| G0008 | Administration of influenza virus vaccine | 23 | 23 | $0 |
| 90686 | Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage | 23 | 23 | $0 |
Insurance plans in this area (ZIP 77377)
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