VERNA O TAN (PA-C) – Surgical Physician Assistant, NPI 1174863971
Surgical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
Provider Addresses for VERNA O TAN (PA-C)
1074 MURRIETA BLVD
LIVERMORE, CA 945504111
Phone: (925) 443-0980
Type: Location
5201 NORRIS CANYON RD
SUITE 130
SAN RAMON, CA 945835411
Phone: (925) 277-1300
Fax: (925) 277-1897
Type: Location
5314 ALAGRO CT
DUBLIN, CA 945688728
Phone: (925) 277-1300
Fax: (925) 277-1897
Type: Mailing
5201 Norris Canyon Rd
Suite 130
San Ramon, CA 945835411
Phone: (925) 277-1300
Fax: (925) 277-1897
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 178 Open Payments records for all available years, with a total value of $4,752.
Total Amount is formed as General ($4,752) + Research ($0) + Ownership ($0) = $4,752.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: GENZYME CORPORATION ($495).
Total Amount
$4,752
General + Research + Ownership
Payments
178
Total payment records
General Amount
$4,752
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $495 |
| Janssen Biotech, Inc. | $435 |
| ABBVIE INC. | $429 |
| Lilly USA, LLC | $322 |
| Incyte Corporation | $249 |
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: 2013-05-01
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 |
|---|---|---|---|---|
| I20130501000390 | I | Physician Assistant | 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 |
|---|---|---|---|---|
| J3245 | Injection, tildrakizumab, 1 mg | 2,100 | 14 | $0 |
| 17003 | Destruction of precancer skin growth, 2-14 growths | 817 | 121 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 465 | 341 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 221 | 193 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 205 | 163 | $0 |
Insurance plans in this area (ZIP 94550)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | WI | |
| D E R M A T O L O G Y | CA | |
| D E R M A T O L O G Y | CA | |
| D E R M A T O L O G Y | CA | |
| O T O L A R Y N G O L O G Y | CA | |
| D E R M A T O L O G Y | CA | |
| Physician Assistant | CA | |
| D E R M A T O L O G Y | CA | |
| D E R M A T O L O G Y | CA | |
| Physician Assistant | GA |
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