CHELSEA LIN MD
NPI 1801475777
Family Medicine in San Francisco, CA
About Chelsea Lin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHELSEA LIN MD (NPI 1801475777) is an individual family medicine provider in San Francisco, California, licensed in California (A211442) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and maintains a secondary practice location in Nashville.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
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
Chelsea 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
3Medicare enrollment records show Chelsea Lin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
- 5,645 clinicians in this Medicare group
Mebane, NC 27302
- Reassigned Medicare billing, North Carolina enrollment
- 636 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Duke University Hospital
Acute Care Hospitals · Durham, NCGranville Health Systems
Acute Care Hospitals · Oxford, NCMaria Parham Medical Center
Acute Care Hospitals · Henderson, NCDuke Regional Hospital
Acute Care Hospitals · Durham, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94132 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
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 Chelsea Lin's NPI number?
The NPI number for Chelsea Lin is 1801475777. It was assigned to this individual provider in the NPPES registry on April 6, 2021.
Where is Chelsea Lin located?
Chelsea Lin practices at 1560 Sloat Blvd Ste 333, San Francisco, CA 94132. The listed phone number is (415) 353-9339.
What is Chelsea Lin's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Chelsea Lin enrolled in Medicare?
Yes. Chelsea 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 Chelsea Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chelsea Lin reassigns Medicare benefits to 3 organizations: Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Duke University Affiliated Physicians, Inc. (Mebane, NC). 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 Chelsea Lin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chelsea Lin accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina and Ambetter of Tennessee list Chelsea Lin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Chelsea Lin affiliated with any hospitals?
According to CMS data, Chelsea Lin is affiliated with Duke University Hospital, Granville Health Systems, Maria Parham Medical Center and Duke Regional Hospital.
When was this NPI record last updated?
The NPPES record for Chelsea Lin was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Chelsea Lin, MD · NPI 1801475777
Family Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 6, 2021.
## Identity
- **NPI:** 1801475777 (Entity type: Individual)
- **Enumerated:** April 6, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A211442 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1560 SLOAT BLVD STE 333, San Francisco, CA 94132-1223
- **Phone:** (415) 353-9339 · **Fax:** (415) 353-3450
## 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): Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); Duke University Affiliated Physicians, Inc. (NPI 1750536157, Mebane, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wake Forest University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** August 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1801475777) · Data from the CMS NPPES public registry.