Individual provider Active NPI

Elizabeth Rose Larsen, MD

  • Anesthesiology Physician
  • Toledo, OH
National Provider Identifier
1649690181
Registry record updated Jun 20, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
4301507572 Issued in MI
Practice address
4235 Secor Rd
Toledo, OH 43623-4231
Phone
(419) 473-3561
NPI assigned
Apr 23, 2014
Last updated
Jun 20, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 20, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 036146507 IL
Anesthesiology Physician 207L00000X 35.151726 OH
Anesthesiology Physician 207L00000X 4301507572 MI Primary

Addresses

Primary practice location

4235 Secor Rd
Toledo, OH 43623-4231

Mailing address

1735 Holland St
Birmingham, MI 48009-7804
Phone (612) 232-9049

Other practice location 1

18221 Torrence Ave Ste 1B
Lansing, IL 60438-2870
Phone (708) 895-9450

Other practice location 2

2320 Washtenaw Ave Ste B
Ann Arbor, MI 48104-4558
Phone (734) 913-5100

Other practice location 3

43475 Dalcoma Dr Ste 100
Clinton Twp, MI 48038-3593
Phone (586) 263-5043

Other practice location 4

11012 E 13 Mile Rd Ste 112A
Warren, MI 48093-2546
Phone (586) 751-9800

Other practice location 5

22401 Foster Winter Dr
Southfield, MI 48075-3724
Phone (248) 423-5198

Other identifiers 1

IdentifierTypeStateIssuer
0083531MedicaidOH

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN, IL, MI, OH4 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 4

Enrollment IDStateProvider typePAC IDDetails
I20181010003135 IN Practitioner - Anesthesiology 9234420969 Reassigns benefits to 1 organization
I20181017001325 IL Practitioner - Anesthesiology 9234420969 Reassigns benefits to 1 organization
I20220805002334 MI Practitioner - Anesthesiology 9234420969 Reassigns benefits to 4 organizations
I20250218000227 OH Practitioner - Anesthesiology 9234420969 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Wayne State University School of Medicine, 2014
Medicare assignment
May accept Medicare assignment
Group practices
Anesthesia Associates of Ann Arbor PLLCGroup PAC ID 1355317223, 213 clinicians
A4 of Ohio LLCGroup PAC ID 3971837188, 33 clinicians

Practice addresses (Care Compare)

43475 Dalcoma Dr
Suite 100
Clinton Township, MI 48038-3593
Phone (586) 263-5043

5959 Monclova Rd
Maumee, OH 43537-1888
Phone (419) 893-5911

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
67.5 of 100Reported as group
Quality
58.12
Improvement activities
40
Cost
68.45

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036146507ILMDAnesthesiology Physician
35.151726OHMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stat Anesthesia Specialists, LTD. Anesthesiology CurrentSince Dec 1, 2019 Accepting new patients
Anesthesia Services Associates, PC Anesthesiology CurrentSince Sep 6, 2022 Accepting new patients
Anesthesia Associates of Ann Arbor, PLLC Anesthesiology CurrentSince Aug 15, 2024 Accepting new patients
A4 of Ohio, LLC Anesthesiology CurrentSince Jan 1, 2025 Accepting new patients
St Mary Mercy Hospital Crna Anesthesiology CurrentSince Nov 1, 2024 Accepting new patients
Stat Anesthesia Specialists LTD Anesthesiology Current Accepting new patients
A2 Center PLLC PastSince Mar 30, 2025 Accepting new patients

Locations

350 E Devon Ave
Itasca, IL 60143

742 Essington Rd
Joliet, IL 60435
Phone (815) 220-5632

18221 Torrence Ave
Ste 1
Lansing, IL 60438

18221 Torrence Ave
Ste 1B
Lansing, IL 60438
Phone (708) 474-7600

10220 Wicker Ave
Ste 3
Saint John, IN 46373
Phone (219) 515-6943

2006 Hogback Rd
Ste 5
Ann Arbor, MI 48105
Phone (313) 712-4331

2320 Washtenaw Ave
#B
Ann Arbor, MI 48104
Phone (734) 913-5100

43475 Dalcoma Dr
Ste 100
Clinton Twp, MI 48038
Phone (586) 263-5043

1990 Union Lake Rd
Ste 350
Commerce Twp, MI 48382
Phone (248) 301-5898

620 Byron Rd
Howell, MI 48843
Phone (517) 545-5450

2775 Blake Rd
Jackson, MI 49201
Phone (517) 787-2906

36475 5 Mile Rd
Livonia, MI 48154
Phone (734) 464-4800

36650 5 Mile Rd
Ste 101
Livonia, MI 48154
Phone (734) 434-6262

432 W University Dr
Rochester, MI 48307
Phone (248) 651-6122

1101 W University Dr
Rochester Hls, MI 48307
Phone (248) 601-4805

22401 Foster Winter Dr
Southfield, MI 48075
Phone (248) 423-4100

11012 E 13 Mile Rd
Ste 112A
Warren, MI 48093
Phone (586) 573-6880

5300 Elliott Dr
Ypsilanti, MI 48197
Phone (734) 434-6262

5959 Monclova Rd
Maumee, OH 43537
Phone (419) 251-3740

3330 Meijer Dr
#1
Toledo, OH 43617
Phone (419) 578-5020

4235 Secor Rd
Toledo, OH 43623
Phone (419) 214-4214

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1398211200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750377600000",
    "number": "1649690181",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1735 HOLLAND ST",
            "city": "BIRMINGHAM",
            "state": "MI",
            "postal_code": "480097804",
            "telephone_number": "612-232-9049"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4235 SECOR RD",
            "city": "TOLEDO",
            "state": "OH",
            "postal_code": "436234231",
            "telephone_number": "419-473-3561"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "18221 Torrence Ave Ste 1B",
            "address_purpose": "LOCATION",
            "city": "Lansing",
            "state": "IL",
            "postal_code": "604382870",
            "country_code": "US",
            "telephone_number": "708-895-9450",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2320 Washtenaw Ave Ste B",
            "address_purpose": "LOCATION",
            "city": "Ann Arbor",
            "state": "MI",
            "postal_code": "481044558",
            "country_code": "US",
            "telephone_number": "734-913-5100",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "43475 Dalcoma Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Clinton Twp",
            "state": "MI",
            "postal_code": "480383593",
            "country_code": "US",
            "telephone_number": "586-263-5043",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11012 E 13 Mile Rd Ste 112A",
            "address_purpose": "LOCATION",
            "city": "Warren",
            "state": "MI",
            "postal_code": "480932546",
            "country_code": "US",
            "telephone_number": "586-751-9800",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "22401 Foster Winter Dr",
            "address_purpose": "LOCATION",
            "city": "Southfield",
            "state": "MI",
            "postal_code": "480753724",
            "country_code": "US",
            "telephone_number": "248-423-5198",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LARSEN",
        "first_name": "ELIZABETH",
        "middle_name": "ROSE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-04-23",
        "last_updated": "2025-06-20",
        "certification_date": "2025-06-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "036146507",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "OH",
            "license": "35.151726",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MI",
            "license": "4301507572",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0083531",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Toledo, OH

Sources for this page

Verify at the official NPI Registry.