DR. STEVEN WEIBUN LEE M.D.
NPI 1740267046
Anesthesiology in San Jose, CA
About Dr. Steven Weibun Lee M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN WEIBUN LEE M.D. (NPI 1740267046) is an individual anesthesiology provider in San Jose, California, licensed in Texas (L3377) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. Steven Weibun Lee 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
3Medicare enrollment records show Steven Lee reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Gatos, CA 95032
- Reassigned Medicare billing, California enrollment
- 140 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Concord, CA 94520
- Reassigned Medicare billing, California enrollment
- 5 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 8
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.
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.
Reported Quality Measures
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.
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 Steven Lee's NPI number?
The NPI number for Steven Lee is 1740267046. It was assigned to this individual provider in the NPPES registry on December 28, 2005.
Where is Steven Lee located?
Steven Lee practices at 2425 Samaritan Dr, San Jose, CA 95124. The listed phone number is (408) 559-2011.
What is Steven Lee's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Steven Lee enrolled in Medicare?
Yes. Steven Lee 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 Steven Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Lee reassigns Medicare benefits to 3 organizations: G2 Anesthesia PC (Los Gatos, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA) and Total Anesthesia Care Inc (Concord, 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 Steven Lee'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 Steven Lee was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Steven Weibun Lee, M.D. · NPI 1740267046
Anesthesiology physician in San Jose, California. Individual provider, active in the CMS NPPES registry since December 28, 2005.
## Identity
- **NPI:** 1740267046 (Entity type: Individual)
- **Enumerated:** December 28, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** L3377 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 2425 SAMARITAN DR, San Jose, CA 95124-3908
- **Phone:** (408) 559-2011
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): G2 Anesthesia PC (NPI 1487214698, Los Gatos, CA); John Muir Trauma Physicians Billing Service (NPI 1093864837, Walnut Creek, CA); Total Anesthesia Care Inc (NPI 1730806449, Concord, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 1998
## Record status
- **NPPES last updated:** July 22, 2026
- **Other identifiers:** Medicaid 150368204 (TX); Other 8F3576 (TX); Medicaid 150368201 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1740267046) · Data from the CMS NPPES public registry.