DR. JOHN C JR. SPARKS (M.D.) – Orthopaedic Surgery Physician, NPI 1558353177
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,189 ORTHOPEDIC SURGERY in TX
Provider Addresses for DR. JOHN C JR. SPARKS (M.D.)
500 N Kobayashi Ste C
Webster, TX 775984722
Phone: (281) 816-3092
Type: Location
600 N Kobayashi Ste 110
Webster, TX 775984841
Phone: (281) 338-1701
Type: Location
1020, Riverwood Court, Conroe, Montgomery County, Texas, 77304, United States
#340
CONROE, TX 77304
Phone: (936) 539-2663
Fax: (936) 539-2664
Type: Mailing
PO BOX 58538
WEBSTER, TX 775988538
Phone:
Type: Mailing
1020 RIVERWOOD CT STE 340
CONROE, TX 773042975
Phone: (936) 539-2663
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $33.
Total Amount is formed as General ($33) + Research ($0) + Ownership ($0) = $33.
Last reported payment date: 2023-05-01 • Largest payer in this snapshot: Kowa Pharmaceuticals America, Inc. ($17).
Total Amount
$33
General + Research + Ownership
Payments
2
Total payment records
General Amount
$33
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-05-01
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Kowa Pharmaceuticals America, Inc. | $17 |
| DePuy Synthes Sales Inc. | $16 |
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: 2011-12-30
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 |
|---|---|---|---|---|
| I20111230000099 | I | Orthopedic Surgery | 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 |
|---|---|---|---|---|
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 1,702 | 140 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 373 | 202 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 328 | 165 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 292 | 215 | $0 |
| 73560 | X-ray of knee, 1-2 views | 290 | 200 | $0 |
Insurance plans in this area (ZIP 77598)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ORTHOPEDIC SURGERY | TX | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 19 | 16 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Gynecological Oncology, Obstetrics/Gynecology | TX | |
| Orthopedic Surgery, Hand Surgery | NC | |
| Orthopedic Surgery | TX | |
| Orthopedic Surgery | TX | |
| Orthopedic Surgery, Sports Medicine | TX | |
| - | TX | |
| Orthopedic Surgery | TX | |
| Physician Assistant | TX | |
| Physical Therapist In Private Practice | TX | |
| Physical Therapist In Private Practice | TX |
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