LEAH MARIE LONDON NP
NPI 1043736226
Nurse Practitioner in Southfield, MI
About Leah Marie London Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEAH MARIE LONDON NP (NPI 1043736226) is an individual nurse practitioner in Southfield, Michigan, licensed in Michigan (4704245458) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, is affiliated with Ascension Providence Hospital, Southfield And Novi, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Leah Marie London Np 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
3Medicare enrollment records show Leah London reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Southfield, MI 48075
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Henry Ford Health Providence Hospital
- 393 clinicians in this Medicare group
Farmington Hills, MI 48334
- Reassigned Medicare billing, Michigan enrollment
- 1,480 clinicians in this Medicare group
Wayne, MI 48184
- Reassigned Medicare billing, Michigan enrollment
- 3 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.
Hospital Affiliations CMS Care Compare
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, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48075 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.
SOUTHFIELD, MI 48075
SOUTHFIELD, MI 48075
SOUTHFIELD, MI 48075
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 Leah London's NPI number?
The NPI number for Leah London is 1043736226. It was assigned to this individual provider in the NPPES registry on August 18, 2017.
Where is Leah London located?
Leah London practices at 16001 W 9 Mile Rd, Southfield, MI 48075. The listed phone number is (248) 849-8383.
What is Leah London's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Leah London enrolled in Medicare?
Yes. Leah London 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 Leah London's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah London reassigns Medicare benefits to 3 organizations: Ascension Providence Hospital (Southfield, MI), Iha Health Services Corporation (Farmington Hills, MI) and Wafa A Elhassan MD PLLC (Wayne, 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 Leah London's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leah London accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Leah London 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 Leah London affiliated with any hospitals?
According to CMS data, Leah London is affiliated with Ascension Providence Hospital, Southfield And Novi.
When was this NPI record last updated?
The NPPES record for Leah London was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Leah Marie London, NP · NPI 1043736226
Nurse Practitioner physician in Southfield, Michigan. Individual provider, active in the CMS NPPES registry since August 18, 2017.
## Identity
- **NPI:** 1043736226 (Entity type: Individual)
- **Enumerated:** August 18, 2017
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 4704245458 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 16001 W 9 MILE RD, Southfield, MI 48075-4818
- **Phone:** (248) 849-8383 · **Fax:** (248) 849-2265
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Ascension Providence Hospital (NPI 1619932670, Southfield, MI); Iha Health Services Corporation (NPI 1750138566, Farmington Hills, MI); Wafa A Elhassan MD PLLC (NPI 1609425180, Wayne, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** August 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1043736226) · Data from the CMS NPPES public registry.