JOHNNA NICOLE WALKER (PA-C) – Surgical Physician Assistant, NPI 1497919401
Surgical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,497 PHYSICIAN ASSISTANT in TX
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Provider Addresses for JOHNNA NICOLE WALKER (PA-C)
Michel Road, Tomball, Harris County, Texas, 77375, United States
TOMBALL, TX 773756410
Phone: (281) 351-7261
Fax: (281) 866-3984
Type: Location
3838 CALIFORNIA ST RM 715
SAN FRANCISCO, CA 941181509
Phone: (415) 668-8010
Fax: (415) 753-2560
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $32.
Total Amount is formed as General ($32) + Research ($0) + Ownership ($0) = $32.
Last reported payment date: 2024-05-30 • Largest payer in this snapshot: Bioventus LLC ($32).
Total Amount
$32
General + Research + Ownership
Payments
1
Total payment records
General Amount
$32
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bioventus LLC | $32 |
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: 2013-12-18
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 |
|---|---|---|---|---|
| I20131218001736 | I | Physician Assistant | CA | 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 |
|---|---|---|---|---|
| J7329 | Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg | 1,325 | 31 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 252 | 131 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 190 | 163 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 179 | 174 | $0 |
| 73502 | X-ray of hip, 2-3 views | 111 | 100 | $0 |
Insurance plans in this area (ZIP 77375)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICIAN ASSISTANT | TX | 27447 | Repair of knee joint | 57 | 56 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Qualified Audiologist | CA | |
| Orthopedic Surgery | CA | |
| O T O L A R Y N G O L O G Y | CA | |
| Gastroenterology, Internal Medicine | CA | |
| - | CA | |
| Interventional Pain Management, Physical Medicine And Rehabilitation | CA | |
| Orthopedic Surgery | CA | |
| O T O L A R Y N G O L O G Y | IL | |
| Orthopedic Surgery | CA | |
| Orthopedic Surgery | CA |
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