SOON A CHOI MD
NPI 1821088162
Internal Medicine in Fenton, MI
About Soon A Choi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOON A CHOI MD (NPI 1821088162) is an individual internal medicine provider in Fenton, Michigan, licensed in California (145562) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1977).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 18
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
Soon A Choi 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 Reassignment
Medicare enrollment records show Soon Choi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90004
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Sang H Baik MD Inc
- 2 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 7
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 48430 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
FENTON, MI 48430
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 Soon Choi's NPI number?
The NPI number for Soon Choi is 1821088162. It was assigned to this individual provider in the NPPES registry on October 27, 2005.
Where is Soon Choi located?
Soon Choi practices at 2420 Owen Rd, Fenton, MI 48430. The listed phone number is (810) 342-1000.
What is Soon Choi's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Soon Choi enrolled in Medicare?
Yes. Soon Choi 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 Soon Choi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Soon Choi reassigns Medicare benefits to Sang H Baik M.D., Inc (Los Angeles, 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 Soon Choi'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 Soon Choi was last updated on November 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.