Individual provider Active NPI

Ryan Twilley, CRNA

  • Certified Registered Nurse Anesthetist
  • Ypsilanti, MI
National Provider Identifier
1740895218
Registry record updated Dec 29, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
4704294984 Issued in MI
Practice address
5301 McAuley Dr
Ypsilanti, MI 48197-1051
Phone
(734) 712-3456
NPI assigned
Sep 11, 2020
Last updated
Dec 29, 2023By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 29, 2023

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X 041.495018 IL
Certified Registered Nurse Anesthetist 367500000X 209021996 IL
Certified Registered Nurse Anesthetist 367500000X 4704294984 MI Primary

Addresses

Primary practice location

5301 McAuley Dr
Ypsilanti, MI 48197-1051

Mailing address

5743 Ping Dr
Ann Arbor, MI 48108-8580
Phone (517) 294-7150

Other practice location 1

7575 Grand River Rd
Brighton, MI 48114-9309
Phone (810) 844-7575

Other practice location 2

620 Byron Rd
Howell, MI 48843-1002
Phone (517) 545-6000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20231212000242 MI Practitioner - Certified Registered Nurse Anesthetist (Crna) 2163832155 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Challenge Anesthesia Staffing LLCGroup PAC ID 8224479332, 21 clinicians
Sjmhs Anesthesia ServicesGroup PAC ID 7416053483, 103 clinicians

Practice addresses (Care Compare)

168 S Howell St
Hillsdale Hospital
Hillsdale, MI 49242-2040
Phone (517) 437-4451

5300 Elliott Dr
Ypsilanti, MI 48197-8632
Phone (734) 434-6262

5301 E Huron River Dr
Ypsilanti, MI 48197-1051
Phone (734) 712-3456

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

State licenses

LicenseStateTypeSpecialty
041.495018ILMDRegistered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Huron Gastroenterology Associates PC Nurse Anesthetist, Certified Registered CurrentSince Nov 1, 2025 Accepting new patients
Sjmhs Anesthesia Services Nurse Anesthetist, Certified Registered CurrentSince Nov 7, 2023 Accepting new patients
Sjmhs Anesthesia Services Nurse Anesthetist, Certified Registered CurrentSince Nov 7, 2023 Accepting new patients
Sjmhs Anesthesia Services Current Accepting new patients
Huron Gastroenterology Associates PC CurrentSince Nov 1, 2025 Accepting new patients
Challenge Anesthesia Staffing LLC Nurse Anesthetist, Certified Registered CurrentSince Mar 5, 2024 Accepting new patients
Saint Joseph Mercy Livingston Hospital Current Accepting new patients

Locations

2006 Hogback Rd
Ste 5A
Ann Arbor, MI 48105
Phone (734) 786-2317

7575 Grand River Rd
Brighton, MI 48114
Phone (810) 844-7544

168 S Howell St
Hillsdale, MI 49242
Phone (517) 437-4451

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

36650 5 Mile Rd
Ste 100
Livonia, MI 48154
Phone (734) 432-0314

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

926 N Michigan Ave
Saginaw, MI 48602
Phone (517) 753-8453

301 N Main St
Sheridan, MI 48884
Phone (989) 291-3261

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

5301 McAuley Dr
Ypsilanti, MI 48197
Phone (734) 712-7246

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations & group practices 7

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 2

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": "1599782400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1703808000000",
    "number": "1740895218",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5743 PING DR",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481088580",
            "telephone_number": "517-294-7150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5301 MCAULEY DR",
            "city": "YPSILANTI",
            "state": "MI",
            "postal_code": "481971051",
            "telephone_number": "734-712-3456"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7575 Grand River Rd",
            "address_purpose": "LOCATION",
            "city": "Brighton",
            "state": "MI",
            "postal_code": "481149309",
            "country_code": "US",
            "telephone_number": "810-844-7575",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "620 Byron Rd",
            "address_purpose": "LOCATION",
            "city": "Howell",
            "state": "MI",
            "postal_code": "488431002",
            "country_code": "US",
            "telephone_number": "517-545-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TWILLEY",
        "first_name": "RYAN",
        "credential": "CRNA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-09-11",
        "last_updated": "2023-12-29",
        "certification_date": "2023-12-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "IL",
            "license": "041.495018",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "209021996",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MI",
            "license": "4704294984",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ypsilanti, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 29, 2023; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.