DR. LUDWIG H LIN MD
NPI 1851307631
Anesthesiology in Oakland, CA
About Dr. Ludwig H Lin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LUDWIG H LIN MD (NPI 1851307631) is an individual anesthesiology provider in Oakland, California, licensed in California (A60120) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1994).
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. Ludwig H 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 Reassignments
8Medicare enrollment records show Ludwig Lin reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 clinicians in this Medicare group
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 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 9
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.
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.
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
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 Ludwig Lin's NPI number?
The NPI number for Ludwig Lin is 1851307631. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Ludwig Lin located?
Ludwig Lin practices at 350 Hawthorne Ave, Oakland, CA 94609. The listed phone number is (510) 655-4000.
What is Ludwig Lin's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ludwig Lin enrolled in Medicare?
Yes. Ludwig 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 organizations bill Medicare for Ludwig Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ludwig Lin reassigns Medicare benefits to 8 organizations: East Bay Anesthesiology Medical Group, Inc (Oakland, CA), University Of California Sfgh Medical Group (San Francisco, CA), Permanente Medical Group Inc (Richmond, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and 3 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 Ludwig 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 Ludwig Lin was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Ludwig H Lin, MD · NPI 1851307631
Anesthesiology physician in Oakland, California. Individual provider, active in the CMS NPPES registry since July 31, 2006.
## Identity
- **NPI:** 1851307631 (Entity type: Individual)
- **Enumerated:** July 31, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A60120 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 350 HAWTHORNE AVE, Oakland, CA 94609-3100
- **Phone:** (510) 655-4000 · **Fax:** (510) 869-8906
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): East Bay Anesthesiology Medical Group, Inc (NPI 1649226242, Oakland, CA); University Of California Sfgh Medical Group (NPI 1174598296, San Francisco, CA); Permanente Medical Group Inc (NPI 1235226531, Richmond, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN G84614; Medicaid 00A601200 (CA); Medicare ID-Type Unspecified 00A601201
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Source: [NPI Profile](https://npiprofile.com/npi/1851307631) · Data from the CMS NPPES public registry.