GREGORY WALKER (M.D., M.B.A.) – Dermatology Physician, NPI 1487074084
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,284 DERMATOLOGY in TX
Provider Addresses for GREGORY WALKER (M.D., M.B.A.)
5310 HARVEST HILL RD STE 290
DALLAS, TX 752305826
Phone: (214) 420-0650
Fax: (214) 736-0512
Type: Mailing
300 RICHLAND WEST CIR STE 2C
WACO, TX 767127935
Phone: (254) 340-6000
Fax: (254) 340-6010
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 266 Open Payments records for all available years, with a total value of $4,915.
Total Amount is formed as General ($4,915) + Research ($0) + Ownership ($0) = $4,915.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($704).
Total Amount
$4,915
General + Research + Ownership
Payments
266
Total payment records
General Amount
$4,915
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. | $704 |
| PFIZER INC. | $373 |
| GENZYME CORPORATION | $314 |
| E.R. Squibb & Sons, L.L.C. | $306 |
| Lilly USA, LLC | $269 |
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: 2018-05-16
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 |
|---|---|---|---|---|
| I20180516001339 | 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 | 1,898 | 296 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 676 | 466 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 495 | 362 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 248 | 207 | $0 |
| 17311 | Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 246 | 202 | $0 |
Insurance plans in this area (ZIP 75230)
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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 | |
| 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 |
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