MS. RUBY CHUAN LO (M.D.) – Vascular Surgery Physician, NPI 1750519237
Vascular Surgery Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
675 VASCULAR SURGERY in CA
Provider Addresses for MS. RUBY CHUAN LO (M.D.)
PO BOX 16149
RUMFORD, RI 029160697
Phone: (401) 453-9625
Fax: (401) 435-7069
Type: Mailing
2255 S BASCOM AVE STE 200
CAMPBELL, CA 950087800
Phone: (408) 376-3626
Fax: (408) 871-2377
Type: Mailing
2 DUDLEY ST STE 470
PROVIDENCE, RI 02905
Phone: (401) 272-1800
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 18 Open Payments records for all available years, with a total value of $1,238.
Total Amount is formed as General ($1,238) + Research ($0) + Ownership ($0) = $1,238.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: NuVasive, Inc. ($840).
Total Amount
$1,238
General + Research + Ownership
Payments
18
Total payment records
General Amount
$1,238
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| NuVasive, Inc. | $840 |
| Medtronic, Inc. | $324 |
| CVRx, Inc. | $75 |
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: 2022-09-21
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 |
|---|---|---|---|---|
| I20220921003523 | I | Vascular 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 |
|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 108 | 108 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 82 | 65 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 72 | 72 | $0 |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | 45 | 43 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 36 | 33 | $0 |
Insurance plans in this area (ZIP 02916)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | CA | |
| General Surgery, Endocrinology | CA | |
| Physician Assistant | CA | |
| General Surgery | CA | |
| General Surgery, Gastroenterology | CA | |
| General Surgery | CA |
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