SEAN FRANCIS BAK MD
NPI 1386746675
Orthopaedic Surgery in Dearborn, MI
About Sean Francis Bak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN FRANCIS BAK MD (NPI 1386746675) is an individual orthopaedic surgery provider in Dearborn, Michigan, licensed in Michigan (4301074258) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Ascension Providence Hospital, Southfield And Novi, and maintains a secondary practice location in Southfield.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Sean Francis Bak 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 Sean Bak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Southfield, MI 48075
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Henry Ford Health Providence Hospital
- 393 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 8
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.
Ascension Providence Hospital, Southfield And Novi
Acute Care Hospitals · Southfield, MIHenry Ford Health Hospital
Acute Care Hospitals · Detroit, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DEARBORN, MI 48124
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 Sean Bak's NPI number?
The NPI number for Sean Bak is 1386746675. It was assigned to this individual provider in the NPPES registry on September 5, 2006.
Where is Sean Bak located?
Sean Bak practices at 23874 Kean St, Dearborn, MI 48124. The listed phone number is (248) 465-5140.
What is Sean Bak's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Sean Bak enrolled in Medicare?
Yes. Sean Bak 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 Sean Bak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Bak reassigns Medicare benefits to Ascension Providence Hospital (Southfield, MI). 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 Sean Bak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sean Bak accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Sean Bak 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 Sean Bak affiliated with any hospitals?
According to CMS data, Sean Bak is affiliated with Ascension Providence Hospital, Southfield And Novi and Henry Ford Health Hospital.
When was this NPI record last updated?
The NPPES record for Sean Bak was last updated on July 1, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Sean Francis Bak, MD · NPI 1386746675
Orthopaedic Surgery physician in Dearborn, Michigan. Individual provider, active in the CMS NPPES registry since September 5, 2006.
## Identity
- **NPI:** 1386746675 (Entity type: Individual)
- **Enumerated:** September 5, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 4301074258 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 23874 KEAN ST, Dearborn, MI 48124-1851
- **Phone:** (248) 465-5140 · **Fax:** (248) 465-5141
## 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:** Ascension Providence Hospital (NPI 1619932670, Southfield, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** July 1, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1386746675) · Data from the CMS NPPES public registry.