RAYMOND LAM (M.D.) – Internal Medicine Physician, NPI 1023465879
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for RAYMOND LAM (M.D.)
2351 CLAY STREET, SUITE 380
SAN FRANCISCO, CA 94118
Phone: (415) 600-6000
Type: Mailing
601 VAN NESS AVE STE E3619
SAN FRANCISCO, CA 941023200
Phone: (415) 531-9047
Fax: (415) 213-4659
Type: Mailing
3555 CESAR CHAVEZ
SAN FRANCISCO, CA 941104403
Phone: (415) 600-6000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2019-04-29
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 |
|---|---|---|---|---|
| I20190429000998 | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 472 | 178 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 121 | 119 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 86 | 84 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 78 | 37 | $0 |
| 99497 | Advance care planning, first 30 minutes | 57 | 53 | $0 |
Insurance plans in this area (ZIP 94118)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| - | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| N E P H R O L O G Y | CA | |
| Infectious Disease, Internal Medicine | CA | |
| H O S P I T A L I S T | CA | |
| Internal Medicine | OH |
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