DR. YOUNG THI MCMAHAN (M.D.) – Dermatology Physician, NPI 1013352145
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,284 DERMATOLOGY in TX
Provider Addresses for DR. YOUNG THI MCMAHAN (M.D.)
301 University Blvd
4.112 McCullough
Galveston, TX 775557934
Phone: (409) 772-1911
Fax: (409) 772-1911
Type: Location
300 RICHLAND W CIR #2C
WACO, TX 76712
Phone: (254) 340-6000
Fax: (254) 340-6000
Type: Mailing
300 RICHLAND WEST CIR STE 2C
WACO, TX 767127935
Phone: (254) 340-6000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 225 Open Payments records for all available years, with a total value of $4,200.
Total Amount is formed as General ($4,200) + Research ($0) + Ownership ($0) = $4,200.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($636).
Total Amount
$4,200
General + Research + Ownership
Payments
225
Total payment records
General Amount
$4,200
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $636 |
| Lilly USA, LLC | $245 |
| Novartis Pharmaceuticals Corporation | $218 |
| Incyte Corporation | $182 |
| Regeneron Healthcare Solutions, Inc. | $179 |
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: 2017-05-17
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 |
|---|---|---|---|---|
| I20170517002383 | I | Dermatology | 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 |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 2,607 | 383 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 957 | 610 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 692 | 486 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 367 | 252 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 327 | 278 | $0 |
Insurance plans in this area (ZIP 77555)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | KY | |
| D E R M A T O L O G Y | TX | |
| D E R M A T O L O G Y | TX | |
| D E R M A T O L O G Y | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| D E R M A T O L O G Y | TX | |
| D E R M A T O L O G Y | TX | |
| Physician Assistant | TX |
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