STEWART LLOYD SHANFIELD (M.D.) – Orthopaedic Surgery Physician, NPI 1346286580
Orthopaedic Surgery Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
3,024 ORTHOPEDIC SURGERY in CA
Provider Addresses for STEWART LLOYD SHANFIELD (M.D.)
253 S Diamond Bar Blvd
Diamond Bar, CA 917651606
Phone: (909) 860-1144
Type: Location
North Harbor Boulevard, Downtown Fullerton, Fullerton, Orange County, California, 92832-2095, United States
FULLERTON, CA 928353831
Phone: (714) 626-8630
Fax: (714) 626-8659
Type: Mailing
2141, North Harbor Boulevard, Fullerton, Orange County, California, 92835, United States
SUITE 35000
FULLERTON, CA 928353827
Phone: (714) 626-8630
Fax: (714) 626-8659
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 13 Open Payments records for all available years, with a total value of $888.
Total Amount is formed as General ($888) + Research ($0) + Ownership ($0) = $888.
Last reported payment date: 2024-09-18 • Largest payer in this snapshot: Smith+Nephew, Inc. ($620).
Total Amount
$888
General + Research + Ownership
Payments
13
Total payment records
General Amount
$888
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Smith+Nephew, Inc. | $620 |
| Actelion Pharmaceuticals US, Inc. | $122 |
| Stryker Corporation | $64 |
| Ferring Pharmaceuticals Inc. | $33 |
| Heraeus Medical, LLC. | $26 |
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: 2010-07-19
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 |
|---|---|---|---|---|
| I20100719000568 | I | Orthopedic Surgery | 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 |
|---|---|---|---|---|
| J0702 | Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 121 | 46 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 102 | 86 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 89 | 89 | $0 |
| 73564 | X-ray of knee, 4 or more views | 50 | 41 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 49 | 46 | $0 |
Insurance plans in this area (ZIP 91765)
Loading plans...
Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| - | CA | |
| - | CA | |
| - | WA | |
| - | ME | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.