DR. JAMES BENJAMIN ST CLAIR (MD, PHD) – Orthopaedic Surgery Physician, NPI 1942650700
Orthopaedic Surgery Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
947 ORTHOPEDIC SURGERY in MA
Provider Addresses for DR. JAMES BENJAMIN ST CLAIR (MD, PHD)
55 Fruit St
Boston, MA 021142621
Phone: (617) 724-8801
Fax: (617) 726-2085
Type: Location
1500 S Lake Park AVe
SP402
Hobart, IN 463426638
Phone: (219) 947-6009
Fax: (219) 947-6015
Type: Location
Au Bon Pain, 5841, South Maryland Avenue, Hyde Park, Chicago, Hyde Park Township, Cook County, Illinois, 60637, United States
MC 3079
CHICAGO, IL 606371447
Phone: (773) 834-3531
Fax: (773) 702-5434
Type: Mailing
8558 BROADWAY
MERRILLVILLE, IN 464107032
Phone: (219) 392-7084
Fax: (219) 703-9685
Type: Mailing
1500 S LAKE PARK AVE
SP402
HOBART, IN 463426638
Phone: (219) 947-6009
Fax: (219) 947-6015
Type: Location
9445 CALUMET AVE
MUNSTER, IN 463212811
Phone: (219) 836-1060
Fax: (219) 836-1014
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $2,356.
Total Amount is formed as General ($2,356) + Research ($0) + Ownership ($0) = $2,356.
Last reported payment date: 2024-11-08 • Largest payer in this snapshot: ZIMVIE INC. ($1,236).
Total Amount
$2,356
General + Research + Ownership
Payments
25
Total payment records
General Amount
$2,356
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ZIMVIE INC. | $1,236 |
| Lightbody Medical Technologies Inc | $371 |
| Arthrex, Inc. | $283 |
| Boston Scientific Corporation | $136 |
| Stryker Corporation | $135 |
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: 2022-07-21
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 |
|---|---|---|---|---|
| I20220721002331 | I | Orthopedic Surgery | IN | 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 | 238 | 161 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 95 | 95 | $0 |
| 72110 | X-ray of lower and sacral spine, minimum of 4 views | 74 | 74 | $0 |
| 72100 | X-ray of lower and sacral spine, 2-3 views | 41 | 33 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 35 | 29 | $0 |
Insurance plans in this area (ZIP 02114)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists) | IL | |
| - | IN | |
| Nurse Practitioner | IN | |
| - | IN | |
| Cardiovascular Disease (Cardiology), Cardiac Electrophysiology | IL | |
| Nurse Practitioner | IN | |
| - | IN | |
| Gynecological Oncology, Obstetrics/Gynecology | IN | |
| - | IN | |
| Nurse Practitioner | IN |
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