MOON O KWOUN (M.D.) – Surgery Physician, NPI 1205883956
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
198 VASCULAR SURGERY in MA
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Provider Addresses for MOON O KWOUN (M.D.)
51 COMMON ST
BELMONT, MA 024783022
Phone: (617) 665-2555
Type: Mailing
Cambridge Hospital, 1493, Cambridge Street, Inman Square, Cambridge, Middlesex County, Massachusetts, 02139, United States
CAMBRIDGE, MA 021391047
Phone: (617) 665-2555
Type: Location
8, Churchill Circle, Winchester Highlands, Winchester, Middlesex County, Massachusetts, 02180, United States
WINCHESTER, MA 018901066
Phone: (617) 665-3580
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $267.
Total Amount is formed as General ($267) + Research ($0) + Ownership ($0) = $267.
Last reported payment date: 2024-11-25 • Largest payer in this snapshot: Silk Road Medical, Inc. ($245).
Total Amount
$267
General + Research + Ownership
Payments
3
Total payment records
General Amount
$267
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Silk Road Medical, Inc. | $245 |
| Stryker Corporation | $22 |
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: 2005-12-08
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 |
|---|---|---|---|---|
| I20051208000249 | I | Vascular 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 | 86 | 42 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 31 | 31 | $0 |
| 93880 | Ultrasound of both sides of head and neck blood flow | 26 | 23 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 15 | 11 | $0 |
| 93923 | Complete ultrasound study of arm and leg arteries | 15 | 14 | $0 |
Insurance plans in this area (ZIP 02478)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| VASCULAR SURGERY | MA | 93926 | Ultrasound study of arteries and arterial grafts of one leg or limited | 14 | 11 |
| VASCULAR SURGERY | MA | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 57 | 50 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | MA | |
| - | MA | |
| - | NH | |
| Rheumatology, Internal Medicine | MA | |
| - | MA | |
| Emergency Medicine | MA | |
| Family Practice | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | PA | |
| Emergency Medicine | MA | |
| Physician Assistant | MA |
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