HANH THI NGUYEN-CLARK MD
NPI 1649222308
Anesthesiology in Lynwood, CA
About Hanh Thi Nguyen-clark Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HANH THI NGUYEN-CLARK MD (NPI 1649222308) is an individual anesthesiology provider in Lynwood, California, licensed in California (A62739) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Stanford University School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Hanh Thi Nguyen-clark 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
6Medicare enrollment records show Hanh Nguyen-clark reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lynwood, CA 90262
- Reassigned Medicare billing, California enrollment
- 83 clinicians in this Medicare group
Murrieta, CA 92563
- Reassigned Medicare billing, California enrollment
- 34 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 34 clinicians in this Medicare group
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 420 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.
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.
LYNWOOD, CA 90262
LYNWOOD, CA 90262
LYNWOOD, CA 90262
LYNWOOD, CA 90262
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 Hanh Nguyen-clark's NPI number?
The NPI number for Hanh Nguyen-clark is 1649222308. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Hanh Nguyen-clark located?
Hanh Nguyen-clark practices at 3630 E Imperial Hwy, Lynwood, CA 90262. The listed phone number is (310) 900-8900.
What is Hanh Nguyen-clark's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Hanh Nguyen-clark enrolled in Medicare?
Yes. Hanh Nguyen-clark 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 Hanh Nguyen-clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hanh Nguyen-clark reassigns Medicare benefits to 6 organizations: Landmark Anesthesia Medical Group (Lynwood, CA), Orion Anesthesia Consultants Inc (Murrieta, CA), Landmark Anesthesia Medical Group Prime (Victorville, CA), Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA) and 1 more organization, 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 Hanh Nguyen-clark'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 Hanh Nguyen-clark was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Hanh Thi Nguyen-Clark, MD · NPI 1649222308
Anesthesiology physician in Lynwood, California. Individual provider, active in the CMS NPPES registry since May 17, 2006.
## Identity
- **NPI:** 1649222308 (Entity type: Individual)
- **Enumerated:** May 17, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A62739 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3630 E IMPERIAL HWY, Lynwood, CA 90262-2609
- **Phone:** (310) 900-8900
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Landmark Anesthesia Medical Group (NPI 1770035024, Lynwood, CA); Orion Anesthesia Consultants Inc (NPI 1649585001, Murrieta, CA); Landmark Anesthesia Medical Group Prime (NPI 1801430467, Victorville, CA); Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** December 11, 2025
- **Other identifiers:** Medicaid 00A627390 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1649222308) · Data from the CMS NPPES public registry.