MARK ALEXANDER LIN MD
NPI 1104882554
Anesthesiology in San Jose, CA
About Mark Alexander Lin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK ALEXANDER LIN MD (NPI 1104882554) is an individual anesthesiology provider in San Jose, California, licensed in California (G72763) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (1990).
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
Mark Alexander Lin Md 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 Reassignment
Medicare enrollment records show Mark Lin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1629301346 (California)
- 2,460 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.
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.
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 JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
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 Mark Lin's NPI number?
The NPI number for Mark Lin is 1104882554. It was assigned to this individual provider in the NPPES registry on April 25, 2006.
Where is Mark Lin located?
Mark Lin practices at 751 S Bascom Ave Anesthesiology Department, San Jose, CA 95128. The listed phone number is (408) 885-2604.
What is Mark Lin's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Lin enrolled in Medicare?
Yes. Mark Lin 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 organization bills Medicare for Mark Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Lin reassigns Medicare benefits to County Of Santa Clara (San Jose, CA). The 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 Mark Lin'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 Mark Lin was last updated on September 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Mark Alexander Lin, MD · NPI 1104882554
Anesthesiology physician in San Jose, California. Individual provider, active in the CMS NPPES registry since April 25, 2006.
## Identity
- **NPI:** 1104882554 (Entity type: Individual)
- **Enumerated:** April 25, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** G72763 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 751 S BASCOM AVE, ANESTHESIOLOGY DEPARTMENT, San Jose, CA 95128-2604
- **Phone:** (408) 885-2604
## 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:** County Of Santa Clara (NPI 1588721500, San Jose, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** September 5, 2012
- **Other identifiers:** Medicare ID-Type Unspecified 00G727630 (CA); Medicaid 00G727630 (CA); Medicare UPIN G16524 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1104882554) · Data from the CMS NPPES public registry.