CAROLINE MAY-SAN FUNG (P.A.) – Surgical Physician Assistant, NPI 1558364489
Surgical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,876 PHYSICIAN ASSISTANT in OR
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Provider Addresses for CAROLINE MAY-SAN FUNG (P.A.)
Southwest Barnes Road, Sylvan-Highlands, Portland, Metro, Multnomah County, Oregon, 97210, United States
STE 150
PORTLAND, OR 972256663
Phone: (503) 297-7403
Fax: (503) 384-9908
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $469.
Total Amount is formed as General ($469) + Research ($0) + Ownership ($0) = $469.
Last reported payment date: 2024-09-24 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($237).
Total Amount
$469
General + Research + Ownership
Payments
4
Total payment records
General Amount
$469
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $237 |
| Seagen Inc. | $125 |
| ImmunoGen, Inc. | $107 |
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: 2010-10-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20100507000181 | I | Physician Assistant | WA | TBD |
| I20101019001512 | I | Physician Assistant | OR | 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 |
|---|---|---|---|---|
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 57 | 31 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 47 | 27 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 42 | 22 | $0 |
| 86304 | Immunologic analysis for detection of tumor antigen, quantitative; ca 125 | 30 | 20 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 24 | 23 | $0 |
Insurance plans in this area (ZIP 97225)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | OR | |
| Medical Oncology, Internal Medicine | OR | |
| - | OR | |
| - | OR | |
| Radiation Oncology | WA | |
| Physician Assistant | CA | |
| General Surgery | WA | |
| - | WA | |
| Physician Assistant | OR | |
| Radiation Oncology | GA |
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