WILLIAM BEEN SUK DO
NPI 1053428201
Emergency Medicine in Saint Louis, MO
About William Been Suk Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM BEEN SUK DO (NPI 1053428201) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (2009030852) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital South, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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
William Been Suk Do 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
11Medicare enrollment records show William Suk reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 269 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 186 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 241 clinicians in this Medicare group
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 263 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 118 clinicians in this Medicare group
Alton, IL 62002
- Reassigned Medicare billing, Missouri enrollment
- 343 clinicians in this Medicare group
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 178 clinicians in this Medicare group
Winfield, MO 63389
- Reassigned Medicare billing, Missouri enrollment
- 229 clinicians in this Medicare group
Perryville, MO 63775
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1063117158 (Missouri)
- 192 clinicians in this Medicare group
Bloomfield, MO 63825
- Reassigned Medicare billing, Missouri enrollment
- 105 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 4
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.
Mercy Hospital South
Acute Care Hospitals · Saint Louis, MOBelton Regional Medical Center
Acute Care Hospitals · Belton, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63128 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.
SAINT LOUIS, MO 63128
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 William Suk's NPI number?
The NPI number for William Suk is 1053428201. It was assigned to this individual provider in the NPPES registry on August 24, 2006.
Where is William Suk located?
William Suk practices at 10010 Kennerly Rd, Saint Louis, MO 63128. The listed phone number is (314) 525-1900.
What is William Suk's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Suk enrolled in Medicare?
Yes. William Suk 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 William Suk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Suk reassigns Medicare benefits to 11 organizations: Cep America, LLC (Saint Louis, MO), Mercy Hospital South (Saint Louis, MO), Mercy Hospitals East Communities (Saint Louis, MO), Mercy Aco Clinical Services Inc (Chesterfield, MO), Mercy Hospital Jefferson (Festus, MO) and 6 more organizations, 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 William Suk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Suk accept?
Health plans from Oscar Insurance Company list William Suk 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 William Suk affiliated with any hospitals?
According to CMS data, William Suk is affiliated with Mercy Hospital South and Belton Regional Medical Center.
When was this NPI record last updated?
The NPPES record for William Suk was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# William Been Suk, DO · NPI 1053428201
Emergency Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since August 24, 2006.
## Identity
- **NPI:** 1053428201 (Entity type: Individual)
- **Enumerated:** August 24, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 2009030852 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 10010 KENNERLY RD, Saint Louis, MO 63128-2106
- **Phone:** (314) 525-1900
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Cep America, LLC (NPI 1619332046, Saint Louis, MO); Mercy Hospital South (NPI 1568481984, Saint Louis, MO); Mercy Hospitals East Communities (NPI 1427098169, Saint Louis, MO); Mercy Aco Clinical Services Inc (NPI 1063965093, Chesterfield, MO); Mercy Hospital Jefferson (NPI 1508859661, Festus, MO); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Medicaid 036116040 7 (IL); Other P00350429 (IL); Other 08232204 (IL); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1053428201) · Data from the CMS NPPES public registry.