RAYMOND LAM M.D.
NPI 1023465879
Internal Medicine in San Francisco, CA
About Raymond Lam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAYMOND LAM M.D. (NPI 1023465879) is an individual internal medicine provider in San Francisco, California, licensed in California (A154231) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Raymond Lam M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Raymond Lam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 213 clinicians in this Medicare group
San Francisco, CA 94133
- Reassigned Medicare billing, California enrollment
- 40 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94110
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Raymond Lam's NPI number?
The NPI number for Raymond Lam is 1023465879. It was assigned to this individual provider in the NPPES registry on May 23, 2016.
Where is Raymond Lam located?
Raymond Lam practices at 3555 Cesar Chavez, San Francisco, CA 94110. The listed phone number is (415) 600-6000.
What is Raymond Lam's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Raymond Lam enrolled in Medicare?
Yes. Raymond Lam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Raymond Lam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Raymond Lam reassigns Medicare benefits to 2 organizations: Pacific Inpatient Medical Group (San Francisco, CA) and San Francisco Unified Physicians Group, Inc. (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Raymond Lam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Raymond Lam was last updated on September 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Raymond Lam, M.D. · NPI 1023465879
Internal Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since May 23, 2016.
## Identity
- **NPI:** 1023465879 (Entity type: Individual)
- **Enumerated:** May 23, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A154231 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3555 CESAR CHAVEZ, San Francisco, CA 94110-4403
- **Phone:** (415) 600-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Pacific Inpatient Medical Group (NPI 1447447248, San Francisco, CA); San Francisco Unified Physicians Group, Inc. (NPI 1982104162, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** September 11, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1023465879) · Data from the CMS NPPES public registry.