AMNA DIWAN (M.D.) – Orthopaedic Surgery Physician, NPI 1518162189
Orthopaedic Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
948 ORTHOPEDIC SURGERY in MA
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Provider Addresses for AMNA DIWAN (M.D.)
UMASS Memorial Medical Center University Campus Hospital, 55, Lake Avenue North, Worcester, Worcester County, Massachusetts, 01653, United States
WORCESTER, MA 016550002
Phone: (508) 334-0600
Fax: (508) 334-3408
Type: Location
55 Lake Ave N
Worcester, MA 016550002
Phone: (508) 334-0600
Fax: (508) 334-3408
Type: Location
PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States
BOSTON, MA 022415348
Phone:
Type: Mailing
960 MASSACHUSETTS AVENUE
FL 2
BOSTON, MA 021182690
Phone:
Type: Mailing
736 CAMBRIDGE ST
9TH FLOOR
BRIGHTON, MA 02135
Phone: (617) 779-6500
Fax: (617) 779-6785
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $2,484.
Total Amount is formed as General ($2,484) + Research ($0) + Ownership ($0) = $2,484.
Last reported payment date: 2024-11-18 • Largest payer in this snapshot: Synthes GmbH ($2,049).
Total Amount
$2,484
General + Research + Ownership
Payments
9
Total payment records
General Amount
$2,484
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Synthes GmbH | $2,049 |
| MY01 Inc. | $181 |
| Globus Medical, Inc. | $149 |
| PolyNovo North America LLC | $50 |
| Smith+Nephew, Inc. | $39 |
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: 2015-11-12
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 |
|---|---|---|---|---|
| I20151112000749 | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 40 | 33 | $0 |
Insurance plans in this area (ZIP 01655)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MA | |
| - | VA | |
| Physician Assistant | CT | |
| Physician Assistant | MA | |
| Orthopedic Surgery | MA | |
| Physician Assistant | MA | |
| Orthopedic Surgery | MA | |
| Orthopedic Surgery | RI |
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