DR. STEPHEN MICHAEL WELCH D.O.
NPI 1346535200
Surgery in Trenton, MI
About Dr. Stephen Michael Welch D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN MICHAEL WELCH D.O. (NPI 1346535200) is an individual surgery provider in Trenton, Michigan, licensed in Michigan (5101019379) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Dearborn, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
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. Stephen Michael Welch D.o. 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 Stephen Welch reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dearborn, MI 48124
- Reassigned Medicare billing, Michigan enrollment
- 453 clinicians in this Medicare group
Royal Oak, MI 48073
- Reassigned Medicare billing, Michigan enrollment
- 946 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 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beaumont Hospital - Dearborn
Acute Care Hospitals · Dearborn, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48183 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.
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 Stephen Welch's NPI number?
The NPI number for Stephen Welch is 1346535200. It was assigned to this individual provider in the NPPES registry on June 17, 2011.
Where is Stephen Welch located?
Stephen Welch practices at 5450 Fort St, Trenton, MI 48183. The listed phone number is (816) 387-6844.
What is Stephen Welch's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Stephen Welch enrolled in Medicare?
Yes. Stephen Welch 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 Stephen Welch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Welch reassigns Medicare benefits to 2 organizations: Oakwood Ambulatory LLC (Dearborn, MI) and Beaumont Medical Group Hospital -Based Services (Royal Oak, 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 Stephen Welch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Welch accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Priority Health and UnitedHealthcare list Stephen Welch 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 Stephen Welch affiliated with any hospitals?
According to CMS data, Stephen Welch is affiliated with Beaumont Hospital - Dearborn.
When was this NPI record last updated?
The NPPES record for Stephen Welch was last updated on June 17, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Stephen Michael Welch, D.O. · NPI 1346535200
Surgery physician in Trenton, Michigan. Individual provider, active in the CMS NPPES registry since June 17, 2011.
## Identity
- **NPI:** 1346535200 (Entity type: Individual)
- **Enumerated:** June 17, 2011
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 5101019379 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5450 FORT ST, Trenton, MI 48183-4601
- **Phone:** (816) 387-6844
## 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): Oakwood Ambulatory LLC (NPI 1003829441, Dearborn, MI); Beaumont Medical Group Hospital -Based Services (NPI 1427567858, Royal Oak, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** June 17, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1346535200) · Data from the CMS NPPES public registry.