LANDMARK ANESTHESIA MEDICAL GROUP
NPI 1770035024
Anesthesiology in Lynwood, CA
About Landmark Anesthesia Medical Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LANDMARK ANESTHESIA MEDICAL GROUP (NPI 1770035024), doing business as Landmark Anesthesia Medical Group Llumc, is a healthcare organization registered as an anesthesiology in Lynwood, California and active in the NPI registry since November 2016. The organization maintains 2 additional practice locations and lists Hanh Nguyen Clark, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Landmark Anesthesia Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
83Medicare enrollment records show 83 clinicians reassign Medicare billing to Landmark Anesthesia Medical Group, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 22 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 3
Nearest to this location (20)
See all 83Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Landmark Anesthesia Medical Group's NPI number?
The NPI number for Landmark Anesthesia Medical Group is 1770035024. It was assigned to this organization in the NPPES registry on November 2, 2016. The provider is doing business as Landmark Anesthesia Medical Group LLUMC.
Where is Landmark Anesthesia Medical Group located?
Landmark Anesthesia Medical Group is located at 3630 E Imperial Hwy, Lynwood, CA 90262. The listed phone number is (714) 503-0195.
What is Landmark Anesthesia Medical Group's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Landmark Anesthesia Medical Group enrolled in Medicare?
Yes. Landmark Anesthesia Medical Group is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Landmark Anesthesia Medical Group?
According to the CMS Revalidation Reassignment List (October 2026 release), 83 clinicians in 3 Medicare specialties reassign their Medicare billing to Landmark Anesthesia Medical Group. A 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 the clinician's services. The largest specialties are Anesthesiology (59), Certified Registered Nurse Anesthetist (CRNA) (23) and Pain Management (1). Of these, 7 practice at this address and 22 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Landmark Anesthesia Medical Group was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Landmark Anesthesia Medical Group · NPI 1770035024
Anesthesiology organization in Lynwood, California. Organization record, active in the CMS NPPES registry since November 2, 2016.
## Identity
- **NPI:** 1770035024 (Entity type: Organization)
- **Enumerated:** November 2, 2016
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **Also known as:** Landmark Anesthesia Medical Group LLUMC (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Hanh Clark, PRESIDENT
## Practice location
- **Address:** 3630 E IMPERIAL HWY, Lynwood, CA 90262-2609
- **Phone:** (714) 503-0195 · **Fax:** (714) 676-8603
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 83 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Anesthesiology (59), Certified Registered Nurse Anesthetist (CRNA) (23), Pain Management (1); 7 practice at this address and 22 within 10 miles; [full list](https://npiprofile.com/npi/1770035024/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 2, 2025
- **Other identifiers:** Other 1184260697 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1770035024) · Data from the CMS NPPES public registry.