DR. MARK S. HSIAO (M.D.) – Orthopaedic Surgery of the Spine Physician, NPI 1114008984
Orthopaedic Surgery of the Spine Physician
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Profile Insights
NPPES metrics only — not quality of care.
252 ORTHOPEDIC SURGERY in NV
Provider Addresses for DR. MARK S. HSIAO (M.D.)
2800 E DESERT INN RD STE 100
LAS VEGAS, NV 891213609
Phone: (702) 731-1616
Fax: (702) 734-4900
Type: Mailing
325 9th Ave
Seattle, WA 981042420
Phone: (206) 520-5000
Type: Location
PO BOX 50095
SEATTLE, WA 981455095
Phone:
Type: Mailing
707 S GARFIELD AVE FL 2
ALHAMBRA, CA 918015859
Phone: (626) 282-1600
Fax: (626) 656-1264
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 24 Open Payments records for all available years, with a total value of $2,093.
Total Amount is formed as General ($2,093) + Research ($0) + Ownership ($0) = $2,093.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Stryker Corporation ($701).
Total Amount
$2,093
General + Research + Ownership
Payments
24
Total payment records
General Amount
$2,093
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Stryker Corporation | $701 |
| SI-BONE, INC. | $501 |
| Abbott Laboratories | $497 |
| Boston Scientific Corporation | $224 |
| Amgen Inc. | $121 |
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: 2022-09-30
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 |
|---|---|---|---|---|
| I20220930000958 | 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 |
|---|---|---|---|---|
| G0283 | Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 1,138 | 195 | $0 |
| 97110 | Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 1,114 | 189 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 852 | 487 | $0 |
| 97140 | Therapy procedure using manual technique, each 15 minutes | 515 | 121 | $0 |
| 72100 | X-ray of lower and sacral spine, 2-3 views | 329 | 292 | $0 |
Insurance plans in this area (ZIP 89121)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology), Internal Medicine | CA | |
| U R O L O G Y | OH | |
| O T O L A R Y N G O L O G Y | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| A N E S T H E S I O L O G Y | CA | |
| Certified Registered Nurse Anesthetist (Crna) | CA | |
| - | CA | |
| Family Practice | CA | |
| Hospitalist, Infectious Disease | CA |
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