Individual provider Active NPI

Sarah Anne Ecenbarger Warren, MD

  • Student in an Organized Health Care Education/Training Program
  • Kalamazoo, MI
National Provider Identifier
1003664590
Registry record updated Jun 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X
License
4351055951 Issued in MI
Practice address
1000 Oakland Dr
Kalamazoo, MI 49008-1282
Phone
(269) 337-4600
NPI assigned
May 9, 2024
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X 4351055951 MI Primary

Addresses

Primary practice location

1000 Oakland Dr
Kalamazoo, MI 49008-1282

Mailing address

1000 Oakland Dr
Kalamazoo, MI 49008-1282

Other names 1

  • Sarah Anne Ecenbarger Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI
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 1

Enrollment IDStateProvider typePAC IDDetails
I20260507002706 MI Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 4789152752

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4351055951MIMDStudent in an Organized Health Care Education/Training Program

NPI Registry JSON

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

{
    "created_epoch": "1715212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782000000000",
    "number": "1003664590",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 OAKLAND DR",
            "city": "KALAMAZOO",
            "state": "MI",
            "postal_code": "490081282"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 OAKLAND DR",
            "city": "KALAMAZOO",
            "state": "MI",
            "postal_code": "490081282",
            "telephone_number": "269-337-4600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARREN",
        "first_name": "SARAH",
        "middle_name": "ANNE ECENBARGER",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-05-09",
        "last_updated": "2026-06-21",
        "certification_date": "2026-06-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MI",
            "license": "4351055951",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SARAH",
            "last_name": "ECENBARGER",
            "middle_name": "ANNE",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Kalamazoo, MI

Sources for this page

Verify at the official NPI Registry.