DR. HONG-DER LIN MD
NPI 1174539035
Surgery in La Mesa, CA
About Dr. Hong-der Lin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HONG-DER LIN MD (NPI 1174539035) is an individual surgery provider in La Mesa, California, licensed in California (C42964) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1976).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
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. Hong-der 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
2Medicare enrollment records show Hong-der Lin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Mesa, CA 91942
- Reassigned Medicare billing, California enrollment
- 6 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91942 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA MESA, CA 91942
LA MESA, CA 91942
LA MESA, CA 91942
LA MESA, CA 91942
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 Hong-der Lin's NPI number?
The NPI number for Hong-der Lin is 1174539035. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Hong-der Lin located?
Hong-der Lin practices at 5565 Grossmont Center Dr Bldg 1 Suite 221, La Mesa, CA 91942. The listed phone number is (619) 462-8100.
What is Hong-der Lin's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Hong-der Lin enrolled in Medicare?
Yes. Hong-der 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 Hong-der Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hong-der Lin reassigns Medicare benefits to 2 organizations: Grossmont Surgical Associates,inc (La Mesa, CA) and Emergency And Acute Care Medical Corporation (San Diego, 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 Hong-der 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 Hong-der Lin was last updated on July 9, 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. Hong-Der Lin, MD · NPI 1174539035
Surgery physician in La Mesa, California. Individual provider, active in the CMS NPPES registry since July 31, 2006.
## Identity
- **NPI:** 1174539035 (Entity type: Individual)
- **Enumerated:** July 31, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** C42964 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5565 GROSSMONT CENTER DR, BLDG 1 SUITE 221, La Mesa, CA 91942-3022
- **Phone:** (619) 462-8100 · **Fax:** (619) 462-7933
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Grossmont Surgical Associates,inc (NPI 1295827830, La Mesa, CA); Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1976
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Medicare UPIN C32547; Medicare ID-Type Unspecified W12209 (CA); Other 00C429640; and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1174539035) · Data from the CMS NPPES public registry.