JOHN ALEXANDER SEMENOFF (PHYSICIAN ASSISTANT) – Physician Assistant, NPI 1033481239
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,497 PHYSICIAN ASSISTANT in TX
Provider Addresses for JOHN ALEXANDER SEMENOFF (PHYSICIAN ASSISTANT)
13802 CENTERFIELD DR
SUITE 300
HOUSTON, TX 770706044
Phone: (281) 737-0999
Type: Mailing
6400 FANNIN ST STE 1700
HOUSTON, TX 770301526
Phone: (713) 486-7500
Type: Mailing
9305 PINECROFT DR STE 400
THE WOODLANDS, TX 773803482
Phone: (713) 498-8800
Type: Location
12606 W HOUSTON CENTER BLVD STE 350
HOUSTON, TX 770822789
Phone: (281) 496-2482
Type: Mailing
12606 W HOUSTON CENTER BLVD
HOUSTON, TX 770822784
Phone: (281) 496-2482
Type: Location
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 $646.
Total Amount is formed as General ($646) + Research ($0) + Ownership ($0) = $646.
Last reported payment date: 2024-04-08 • Largest payer in this snapshot: Globus Medical, Inc. ($300).
Total Amount
$646
General + Research + Ownership
Payments
12
Total payment records
General Amount
$646
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Globus Medical, Inc. | $300 |
| SI-BONE, INC. | $149 |
| Stryker Corporation | $67 |
| Cerapedics Inc. | $48 |
| DePuy Synthes Sales Inc. | $24 |
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: 2013-11-07
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 |
|---|---|---|---|---|
| I20131107001342 | I | Physician Assistant | 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 | 13 | 12 | $0 |
Insurance plans in this area (ZIP 77070)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Medical Oncology | TX | |
| Gynecological Oncology, Obstetrics/Gynecology | TX | |
| Hand Surgery, Orthopedic Surgery | NC | |
| R H E U M A T O L O G Y | TX | |
| Nurse Practitioner | TX | |
| Internal Medicine | CA | |
| Orthopedic Surgery, Sports Medicine | TX | |
| - | TX | |
| Family Practice | TX | |
| Nurse Practitioner | WY |
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