DR. SUNNY T. LIN M.D.
NPI 1710011648
Internal Medicine in Sylmar, CA
About Dr. Sunny T. Lin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUNNY T. LIN M.D. (NPI 1710011648) is an individual internal medicine provider in Sylmar, California, licensed in California (A68960) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Sunny T. Lin 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 Reassignment
Medicare enrollment records show Sunny Lin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sylmar, CA 91342
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of Los Angeles
- 1,939 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91342 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SYLMAR, CA 91342
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 Sunny Lin's NPI number?
The NPI number for Sunny Lin is 1710011648. It was assigned to this individual provider in the NPPES registry on March 15, 2007.
Where is Sunny Lin located?
Sunny Lin practices at 14445 Olive View Drive, North Annex, Sylmar, CA 91342. The listed phone number is (818) 364-3632.
What is Sunny Lin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sunny Lin enrolled in Medicare?
Yes. Sunny 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 Sunny Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sunny Lin reassigns Medicare benefits to County Of Los Angeles Auditor Controller (Sylmar, 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 Sunny 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 Sunny 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. Sunny T. Lin, M.D. · NPI 1710011648
Internal Medicine physician in Sylmar, California. Individual provider, active in the CMS NPPES registry since March 15, 2007.
## Identity
- **NPI:** 1710011648 (Entity type: Individual)
- **Enumerated:** March 15, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A68960 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 14445 OLIVE VIEW DRIVE, NORTH ANNEX, Sylmar, CA 91342
- **Phone:** (818) 364-3632
## 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 Los Angeles Auditor Controller (NPI 1134159320, Sylmar, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 1997
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN I01786 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1710011648) · Data from the CMS NPPES public registry.