STEPHEN YEE (MD) – Hematology & Oncology Physician, NPI 1528078185
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,531 HEMATOLOGY/ONCOLOGY in CA
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Provider Addresses for STEPHEN YEE (MD)
Highland Hospital, 1411, East 31st Street, Highland Park, Oakland, Alameda County, California, 94602, United States
OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Phone: (510) 437-4323
Fax: (510) 437-5042
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 $53.
Total Amount is formed as General ($53) + Research ($0) + Ownership ($0) = $53.
Last reported payment date: 2023-05-25 • Largest payer in this snapshot: Mindray DS USA, Inc. ($27).
Total Amount
$53
General + Research + Ownership
Payments
3
Total payment records
General Amount
$53
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-05-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Mindray DS USA, Inc. | $27 |
| PFIZER INC. | $26 |
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: 2008-07-17
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 |
|---|---|---|---|---|
| I20080717000743 | I | Hematology/Oncology | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 94602)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Marriage And Family Therapist | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| O P H T H A L M O L O G Y | CA | |
| Nurse Practitioner | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| O P H T H A L M O L O G Y | NY | |
| Physician Assistant | CA | |
| Gastroenterology, Internal Medicine | CA |
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