DR. KATHY DIEP NGOC TIEU (M.D.) – Dermatology Physician, NPI 1811973951
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
471 DERMATOLOGY in VA
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Provider Addresses for DR. KATHY DIEP NGOC TIEU (M.D.)
Fair Oaks Medical Plaza, 3700, Joseph Siewick Drive, Chantilly, Fairfax (city), Virginia, 22033, United States
404
FAIRFAX, VA 220331744
Phone: (703) 620-8900
Fax: (703) 620-2288
Type: Location
12544 PINECREST RD
HERNDON, VA 201712530
Phone:
Type: Mailing
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 $443.
Total Amount is formed as General ($443) + Research ($0) + Ownership ($0) = $443.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Galderma Laboratories, L.P. ($124).
Total Amount
$443
General + Research + Ownership
Payments
12
Total payment records
General Amount
$443
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Galderma Laboratories, L.P. | $124 |
| ABBVIE INC. | $119 |
| Almirall LLC | $68 |
| LEO Pharma Inc. | $40 |
| Lilly USA, LLC | $35 |
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: 2014-03-10
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 |
|---|---|---|---|---|
| I20140310001301 | I | Dermatology | DC | 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 |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 2,529 | 501 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,092 | 920 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 721 | 606 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 440 | 383 | $0 |
| 17110 | Destruction of skin growth, 1-14 growths | 410 | 385 | $0 |
Insurance plans in this area (ZIP 22033)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | VA | 17003 | Destruction of 2-14 skin growths | 2525 | 483 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | MD | |
| Physician Assistant | TN | |
| Physician Assistant | VA | |
| D E R M A T O L O G Y | VA | |
| D E R M A T O L O G Y | MN |
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