KHOI ANH LAM M.D
NPI 1891740940
Emergency Medicine in San Jose, CA
About Khoi Anh Lam M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KHOI ANH LAM M.D (NPI 1891740940) is an individual emergency medicine provider in San Jose, California, licensed in California (G75007) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1991).
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
Khoi Anh 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
10Medicare enrollment records show Khoi Lam reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95116
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
San Jose, CA 95116
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 197 clinicians in this Medicare group
Mountain View, CA 94040
- Reassigned Medicare billing, California enrollment
- 217 clinicians in this Medicare group
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- 121 clinicians in this Medicare group
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- 103 clinicians in this Medicare group
Hayward, CA 94545
- Reassigned Medicare billing, California enrollment
- 160 clinicians in this Medicare group
Pleasanton, CA 94588
- Reassigned Medicare billing, California enrollment
- 202 clinicians in this Medicare group
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- 212 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 5
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 95116 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Khoi Lam's NPI number?
The NPI number for Khoi Lam is 1891740940. It was assigned to this individual provider in the NPPES registry on May 24, 2006.
Where is Khoi Lam located?
Khoi Lam practices at 225 N. Jackson Avenue, San Jose, CA 95116. The listed phone number is (408) 259-5000.
What is Khoi Lam's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Khoi Lam enrolled in Medicare?
Yes. Khoi 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 Khoi Lam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Khoi Lam reassigns Medicare benefits to 10 organizations: Cep America - California (San Jose, CA), County Of Santa Clara (San Jose, CA), Emergency Physicians Associates San Jose PC (San Jose, CA), Quantum Bay Area Hospitalist Medical Group Inc (Mountain View, CA), Washington Township Medical Foundation (Fremont, CA) and 5 more organizations, listed in the Medicare section above. 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 Khoi 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 Khoi Lam was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Khoi Anh Lam, M.D · NPI 1891740940
Emergency Medicine physician in San Jose, California. Individual provider, active in the CMS NPPES registry since May 24, 2006.
## Identity
- **NPI:** 1891740940 (Entity type: Individual)
- **Enumerated:** May 24, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** G75007 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 225 N. JACKSON AVENUE, San Jose, CA 95116
- **Phone:** (408) 259-5000
## 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:** 10 organizations under Medicare reassignment (form CMS-855R): Cep America - California (NPI 1568417079, San Jose, CA); County Of Santa Clara (NPI 1326033929, San Jose, CA); Emergency Physicians Associates San Jose PC (NPI 1306311576, San Jose, CA); Quantum Bay Area Hospitalist Medical Group Inc (NPI 1902279656, Mountain View, CA); Washington Township Medical Foundation (NPI 1346557014, Fremont, CA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 1991
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1891740940) · Data from the CMS NPPES public registry.