Individual provider Active NPI

Cynthia Elizabeth Louise Peacock, MD

  • Anesthesiology Physician
  • Grand Rapids, MI
National Provider Identifier
1790941102
Registry record updated Jan 15, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
4301101410 Issued in MI
Practice address
100 Michigan St NE
Grand Rapids, MI 49503-2560
Phone
(616) 364-4200
NPI assigned
Aug 5, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 15, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X 125050909 IL
Anesthesiology Physician 207L00000X 4301101410 MI Primary

Addresses

Primary practice location

100 Michigan St NE
Grand Rapids, MI 49503-2560

Mailing address

3333 Evergreen Dr NE
Grand Rapids, MI 49525-9493
Phone (616) 364-4200

Other practice location 1

3333 Evergreen Dr NE
Grand Rapids, MI 49525-9493
Phone (616) 364-4200

Other names 1

  • Dr. Cynthia Peacock Theleen Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, VA2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20121108000276 MI Practitioner - AnesthesiologyPractitioner - Pain Management 8729265806 Reassigns benefits to 1 organization
I20251215002132 VA Practitioner - Anesthesiology 8729265806 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
AnesthesiologyAlso: Pain Management
Education
Illinois Medical College, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Spectrum Health Primary Care PartnersGroup PAC ID 4587568647, 2,283 clinicians

Practice addresses (Care Compare)

100 Michigan Ave NE
Grand Rapids, MI 49503-2560

100 Michigan St NE RM
280 Corewell Health Medical Group West
Grand Rapids, MI 49503-2560
Phone (616) 267-0115

4444 Kalamazoo Ave SE
200 Corewell Health Medical Group West
Kentwood, MI 49508-4600
Phone (616) 391-5600

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. 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.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
125050909ILMDStudent in an Organized Health Care Education/Training Program

Practice roles

OrganizationSpecialtyStatusNew patients
Spectrum Health Primary Care Partners Current Accepting new patients
Childrens Specialty Group PLLC CurrentSince Dec 1, 2025 Accepting new patients
Apc Pain Management, PLLC Past Accepting new patients

Locations

100 Michigan St NE
Grand Rapids, MI 49503
Phone (616) 391-1680

4444 Kalamazoo Ave SE
Ste 200
Kentwood, MI 49508
Phone (616) 391-5600

80 68th St SE
Kentwood, MI 49548
Phone (616) 391-8220

40 Enterprise Pkwy
Hampton, VA 23666
Phone (757) 251-6800

11783 Rock Landing Dr
Newport News, VA 23606
Phone (757) 668-6550

601 Childrens Ln
Norfolk, VA 23507
Phone (757) 668-7272

2021 Concert Dr
Virginia Beach, VA 23456
Phone (757) 668-6550

Interoperability endpoints

  • Direct secure messaging: cpeacock190806@epic00.corewelldirect.org

Organizations & group practices 3

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

NPI Registry JSON

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

{
    "created_epoch": "1217894400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1705276800000",
    "number": "1790941102",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3333 EVERGREEN DR NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495259493",
            "telephone_number": "616-364-4200",
            "fax_number": "616-364-7347"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "616-364-4200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3333 Evergreen Dr NE",
            "address_purpose": "LOCATION",
            "city": "Grand Rapids",
            "state": "MI",
            "postal_code": "495259493",
            "country_code": "US",
            "telephone_number": "616-364-4200",
            "fax_number": "616-364-7347",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PEACOCK",
        "first_name": "CYNTHIA",
        "middle_name": "ELIZABETH LOUISE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-08-05",
        "last_updated": "2024-01-15",
        "certification_date": "2024-01-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "IL",
            "license": "125050909",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MI",
            "license": "4301101410",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CYNTHIA",
            "last_name": "THELEEN",
            "middle_name": "PEACOCK",
            "prefix": "DR.",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.