STEPHEN CRAIG LIDDIARD (PA-C) – Surgical Physician Assistant, NPI 1164822037
Surgical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,648 PHYSICIAN ASSISTANT in IA
Provider Addresses for STEPHEN CRAIG LIDDIARD (PA-C)
801 5th St
Sioux City, IA 511011326
Phone: (712) 279-2010
Fax: (712) 279-2034
Type: Location
575 N SIOUX POINT RD
DAKOTA DUNES, SD 570495312
Phone: (605) 217-2667
Fax: (605) 217-2900
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2022-12-23
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 |
|---|---|---|---|---|
| I20221223000120 | I | Physician Assistant | WY | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 60 | 47 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 16 | 16 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $0 |
Insurance plans in this area (ZIP 51101)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICIAN ASSISTANT | SD | 20610 | Aspiration and/or injection of large joint or joint capsule | 101 | 59 |
| PHYSICIAN ASSISTANT | SD | 63048 | Partial removal of spine bone with release of spinal cord and/or nerves | 36 | 16 |
| PHYSICIAN ASSISTANT | SD | 73562 | X-ray of knee, 3 views | 26 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | WY | |
| Emergency Medicine | WY | |
| - | WY | |
| A N E S T H E S I O L O G Y | UT | |
| Family Practice | WY | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | ID | |
| Physician Assistant | WA | |
| Emergency Medicine | WY | |
| Family Practice | WY | |
| Physician Assistant | IL |
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