RACHEL M. LAYMAN (M.D.) – Medical Oncology Physician, NPI 1669594776
Medical Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
770 MEDICAL ONCOLOGY in TX
Provider Addresses for RACHEL M. LAYMAN (M.D.)
1515 HOLCOMBE BLVD
HOUSTON, TX 770304009
Phone: (713) 792-6161
Type: Location
PO BOX 4439
HOUSTON, TX 772104439
Phone: (713) 792-2991
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 43 Open Payments records for all available years, with a total value of $35,903.
Total Amount is formed as General ($7,368) + Research ($28,535) + Ownership ($0) = $35,903.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: PFIZER INC. ($27,544).
Total Amount
$35,903
General + Research + Ownership
Payments
43
Total payment records
General Amount
$7,368
General payments
Research Amount
$28,535
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $27,544 |
| Eli Lilly and Company | $5,507 |
| Lilly USA, LLC | $1,704 |
| Gilead Sciences, Inc. | $840 |
| PUMA BIOTECHNOLOGY, INC. | $169 |
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: 2016-06-29
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 |
|---|---|---|---|---|
| I20160629002107 | I | Medical Oncology | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 149 | 57 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 66 | 45 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 16 | 16 | $0 |
Insurance plans in this area (ZIP 77030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| N E U R O L O G Y | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX |
Reviews
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