DR. ELIZABETH ROSE LARSEN MD
NPI 1649690181
Anesthesiology in Toledo, OH
About Dr. Elizabeth Rose Larsen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELIZABETH ROSE LARSEN MD (NPI 1649690181) is an individual anesthesiology provider in Toledo, Ohio, licensed in Michigan (4301507572) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Surgeons Choice Medical Center, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Elizabeth Rose Larsen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Elizabeth Larsen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Toledo, OH 43623
- Reassigned Medicare billing, Ohio enrollment
- 44 clinicians in this Medicare group
Westland, MI 48186
- Reassigned Medicare billing, Michigan enrollment
- 273 clinicians in this Medicare group
Livonia, MI 48154
- Reassigned Medicare billing, Michigan enrollment
- 97 clinicians in this Medicare group
Farmington Hills, MI 48334
- Reassigned Medicare billing, Michigan enrollment
- 24 clinicians in this Medicare group
Lapeer, MI 48446
- Reassigned Medicare billing, Michigan enrollment
- 145 clinicians in this Medicare group
Bremen, IN 46506
- Reassigned Medicare billing, Illinois and Indiana enrollments
- 59 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.
Surgeons Choice Medical Center
Acute Care Hospitals · Southfield, MIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TOLEDO, OH 43623
TOLEDO, OH 43623
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 Elizabeth Larsen's NPI number?
The NPI number for Elizabeth Larsen is 1649690181. It was assigned to this individual provider in the NPPES registry on April 23, 2014.
Where is Elizabeth Larsen located?
Elizabeth Larsen practices at 4235 Secor Rd, Toledo, OH 43623. The listed phone number is (419) 473-3561.
What is Elizabeth Larsen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Elizabeth Larsen enrolled in Medicare?
Yes. Elizabeth Larsen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Elizabeth Larsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Larsen reassigns Medicare benefits to 6 organizations: A4 Of Ohio, LLC (Toledo, OH), Anesthesia Associates Of Ann Arbor, PLLC (Westland, MI), St Mary Mercy Hospital Crna (Livonia, MI), Lakes Anesthesia, Plc (Farmington Hills, MI), Anesthesia Services Associates, PC (Lapeer, MI) and 1 more organization, 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 Elizabeth Larsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Elizabeth Larsen affiliated with any hospitals?
According to CMS data, Elizabeth Larsen is affiliated with Surgeons Choice Medical Center.
When was this NPI record last updated?
The NPPES record for Elizabeth Larsen was last updated on June 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.