DR. ALEXANDER NGUYEN
NPI 1174151740
Emergency Medicine in Lapeer, MI
About Dr. Alexander Nguyen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER NGUYEN (NPI 1174151740) is an individual emergency medicine provider in Lapeer, Michigan, licensed in Michigan (5101027263) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Mclaren Lapeer Region, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 3
Accepted Insurance
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. Alexander Nguyen 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 Alexander Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lapeer, MI 48446
- Reassigned Medicare billing, Michigan enrollment
- 63 clinicians in this Medicare group
Pontiac, MI 48342
- Reassigned Medicare billing, Michigan enrollment
- 76 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 2
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Lapeer Region
Acute Care Hospitals · Lapeer, MIMclaren Oakland
Acute Care Hospitals · Pontiac, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48446 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.
LAPEER, MI 48446
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 Alexander Nguyen's NPI number?
The NPI number for Alexander Nguyen is 1174151740. It was assigned to this individual provider in the NPPES registry on March 30, 2020.
Where is Alexander Nguyen located?
Alexander Nguyen practices at 1375 N Main St, Lapeer, MI 48446. The listed phone number is (810) 667-5574.
What is Alexander Nguyen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alexander Nguyen enrolled in Medicare?
Yes. Alexander Nguyen 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 Alexander Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Nguyen reassigns Medicare benefits to 2 organizations: Mclaren Lapeer Region (Lapeer, MI) and Mclaren Oakland (Pontiac, MI). 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 Alexander Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Nguyen accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Alexander Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Alexander Nguyen affiliated with any hospitals?
According to CMS data, Alexander Nguyen is affiliated with Mclaren Lapeer Region and Mclaren Oakland.
When was this NPI record last updated?
The NPPES record for Alexander Nguyen was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Alexander Nguyen · NPI 1174151740
Emergency Medicine physician in Lapeer, Michigan. Individual provider, active in the CMS NPPES registry since March 30, 2020.
## Identity
- **NPI:** 1174151740 (Entity type: Individual)
- **Enumerated:** March 30, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5101027263 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1375 N MAIN ST, Lapeer, MI 48446-1350
- **Phone:** (810) 667-5574
## 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): Mclaren Lapeer Region (NPI 1124151147, Lapeer, MI); Mclaren Oakland (NPI 1053463778, Pontiac, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** March 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1174151740) · Data from the CMS NPPES public registry.