HAI LAM FNP-C
NPI 1639546054
Nurse Practitioner - Family in National City, CA
About Hai Lam Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAI LAM FNP-C (NPI 1639546054) is an individual family provider in National City, California, licensed in California (95003301) and active in the NPI registry since September 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Hai Lam Fnp-c 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 Hai Lam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Marcos, CA 92069
- Reassigned Medicare billing, California enrollment
- 304 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 91950 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NATIONAL CITY, CA 91950
NATIONAL CITY, CA 91950
NATIONAL CITY, CA 91950
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 Hai Lam's NPI number?
The NPI number for Hai Lam is 1639546054. It was assigned to this individual provider in the NPPES registry on September 2, 2015.
Where is Hai Lam located?
Hai Lam practices at 102 Mile Of Cars Way U.S. Healthworks Medical Group (multiple Location), National City, CA 91950. The listed phone number is (619) 474-9211.
What is Hai Lam's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Hai Lam enrolled in Medicare?
Yes. Hai Lam 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 Hai Lam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hai Lam reassigns Medicare benefits to American Current Care Of California, A Medical Corporation (San Marcos, 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 Hai Lam'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 Hai Lam was last updated on October 20, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Hai Lam, FNP-C · NPI 1639546054
Family physician in National City, California. Individual provider, active in the CMS NPPES registry since September 2, 2015.
## Identity
- **NPI:** 1639546054 (Entity type: Individual)
- **Enumerated:** September 2, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95003301 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 102 MILE OF CARS WAY, U.S. HEALTHWORKS MEDICAL GROUP (MULTIPLE LOCATION), National City, CA 91950-6603
- **Phone:** (619) 474-9211
## 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:** American Current Care Of California, A Medical Corporation (NPI 1164611174, San Marcos, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** October 20, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1639546054) · Data from the CMS NPPES public registry.