DR. GEOFFREY J VAN FLANDERN (MD) – Orthopaedic Surgery Physician, NPI 1083670228
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
947 ORTHOPEDIC SURGERY in MA
Provider Addresses for DR. GEOFFREY J VAN FLANDERN (MD)
71 BORDER RD STE 300
WALTHAM, MA 024511044
Phone: (781) 890-2133
Fax: (781) 890-2177
Type: Location
Boylston Street, Chestnut Hill, Newton, Middlesex County, Massachusetts, 02467, United States
SUITE 106
CHESTNUT HILL, MA 024672503
Phone: (617) 277-1205
Fax: (617) 232-6528
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 42 Open Payments records for all available years, with a total value of $30,659.
Total Amount is formed as General ($30,659) + Research ($0) + Ownership ($0) = $30,659.
Last reported payment date: 2024-12-06 • Largest payer in this snapshot: Stryker Corporation ($30,576).
Total Amount
$30,659
General + Research + Ownership
Payments
42
Total payment records
General Amount
$30,659
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Stryker Corporation | $30,576 |
| Medical Device Business Services, Inc. | $40 |
| VERTEX PHARMACEUTICALS INCORPORATED | $26 |
| 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: 2005-09-01
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 |
|---|---|---|---|---|
| I20050901000734 | I | Orthopedic Surgery | MA | 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 |
|---|---|---|---|---|
| 73564 | X-ray of knee, 4 or more views | 203 | 162 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 197 | 175 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 197 | 190 | $0 |
| 27447 | Replacement of knee joint, both sides of knee | 163 | 155 | $0 |
| 73502 | X-ray of hip, 2-3 views | 144 | 128 | $0 |
Insurance plans in this area (ZIP 02451)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ORTHOPEDIC SURGERY | MA | 73562 | X-ray of knee, 3 views | 47 | 47 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | MA | |
| Physician Assistant | MA | |
| Physical Therapist In Private Practice | MA | |
| Orthopedic Surgery | MA | |
| Nurse Practitioner | MA | |
| Orthopedic Surgery | NH | |
| Physician Assistant | NH | |
| Physical Medicine And Rehabilitation | NH | |
| Physician Assistant | NH | |
| Physician Assistant | MA |
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