YUEN TAT SO (MD) – Neuromuscular Medicine (Psychiatry & Neurology) Physician, NPI 1891821401
Neuromuscular Medicine (Psychiatry & Neurology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,482 NEUROLOGY in CA
Provider Addresses for YUEN TAT SO (MD)
300 PASTEUR DR
STANFORD, CA 943052200
Phone: (650) 723-4000
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 3 Open Payments records for all available years, with a total value of $2,068.
Total Amount is formed as General ($2,068) + Research ($0) + Ownership ($0) = $2,068.
Last reported payment date: 2023-05-08 • Largest payer in this snapshot: UCB, Inc. ($2,068).
Total Amount
$2,068
General + Research + Ownership
Payments
3
Total payment records
General Amount
$2,068
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-05-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| UCB, Inc. | $2,068 |
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: 2007-05-08
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20070508000355 | I | Neurology | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 92 | 63 | $0 |
| 95885 | Needle measurement of electrical activity in arm or leg muscles, limited study | 61 | 41 | $0 |
| 95886 | Needle measurement of electrical activity in arm or leg muscles, complete study | 53 | 45 | $0 |
| 95909 | Nerve conduction, 5-6 studies | 26 | 26 | $0 |
| 95911 | Nerve conduction, 9-10 studies | 18 | 18 | $0 |
Insurance plans in this area (ZIP 94305)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEUROLOGY | CA | 95910 | Nerve transmission studies, 7-8 studies | 18 | 18 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| - | CA | |
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Plastic And Reconstructive Surgery | CA | |
| Pain Management, Anesthesiology | CA | |
| A N E S T H E S I O L O G Y | CA | |
| Sleep Medicine | FL | |
| A N E S T H E S I O L O G Y | MA |
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