OSAMA LAM (M.D.) – Internal Medicine Physician, NPI 1154432045
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for OSAMA LAM (M.D.)
227 N JACKSON AVE
SAN JOSE, CA 951161603
Phone: (408) 871-3400
Type: Mailing
400, Race Street, Buena Vista, San Jose, Santa Clara County, California, 95126, United States
SAN JOSE, CA 951263518
Phone: (408) 278-3000
Type: Mailing
227, North Jackson Avenue, Little Portugal, San Jose, Santa Clara County, California, 95116, United States
SAN JOSE, CA 951161603
Phone: (408) 871-3400
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $46.
Total Amount is formed as General ($46) + Research ($0) + Ownership ($0) = $46.
Last reported payment date: 2024-08-20 • Largest payer in this snapshot: Exact Sciences Corporation ($24).
Total Amount
$46
General + Research + Ownership
Payments
2
Total payment records
General Amount
$46
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Exact Sciences Corporation | $24 |
| GlaxoSmithKline, LLC. | $23 |
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: 2008-11-22
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 |
|---|---|---|---|---|
| I20081122000028 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 1,202 | 534 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 560 | 174 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 81 | 55 | $0 |
| G0008 | Administration of influenza virus vaccine | 49 | 47 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 42 | 41 | $0 |
Insurance plans in this area (ZIP 95116)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MI | |
| - | CA | |
| - | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| Family Practice | CA | |
| R H E U M A T O L O G Y | MD | |
| General Surgery | CA | |
| Orthopedic Surgery | MT | |
| General Surgery | CA |
Reviews
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