Stephen Gabriel Simmer, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

4301117308 Issued in MI

Practice address

4100 Lake Dr SE Ste 205
Grand Rapids, MI 49546-8292

Phone

(616) 267-7414

NPI assigned

Jun 21, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Specialty

GastroenterologyAlso: Internal Medicine

Education

Wayne State University School of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Spectrum Health Primary Care PartnersGroup PAC ID 4587568647, 2,283 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Spectrum Health Hospital, Grand Rapids, MI, CCN 230038
• Corewell Health Pennock Hospital Hospital, Hastings, MI, CCN 231339
• Corewell Health Zeeland Hospital Hospital, Zeeland, MI, CCN 230003

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ssimmer1197955@epic00.corewelldirect.org
• Direct secure messaging: ssimmer286070@direct.hfhs.org

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.

• Spectrum Health Primary Care Partners

  dba Corewell Health Medical Group West

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1235188673
  Medicare reassignment Care Compare group NPD
• Lakeland Medical Practices

  dba Corewell Health Medical Group South

  • Internal Medicine Physician
  • Saint Joseph, MI
  • NPI 1538397120
  Medicare reassignment NPD
• Lakeland Medical Practices

  dba Corewell Health Medical Group South

  • Internal Medicine Physician
  • Bridgman, MI
  • NPI 1568232247
  NPD
• Spectrum Health Primary Care Partners

  dba Corewell Health Medical Group West

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1689499667
  NPD

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

• Pennock Hospital

  dba Corewell Health Pennock Hospital

  • Critical Access Hospital
  • Hastings, MI
  • NPI 1932695525
  Care Compare affiliation
• Spectrum Health Hospitals

  dba Corewell Health Grand Rapids Hospital

  • General Acute Care Hospital
  • Grand Rapids, MI
  • NPI 1922090554
  Care Compare affiliation
• Zeeland Community Hospital

  dba Corewell Health Zeeland Hospital

  • General Acute Care Hospital
  • Zeeland, MI
  • NPI 1275536344
  Care Compare affiliation

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

{
    "created_epoch": "1466467200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1690761600000",
    "number": "1972953917",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE # MC845",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4100 LAKE DR SE STE 205",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495468292",
            "telephone_number": "616-267-7414"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMMER",
        "first_name": "STEPHEN",
        "middle_name": "GABRIEL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-06-21",
        "last_updated": "2023-07-31",
        "certification_date": "2023-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301117308",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MI",
            "license": "4301117308",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lindsay Sima, LMSW
• Ariel Simaz, LLBSW
• Erica Simbi
• Maria Fisher Simcina, MD
• Gordana Simeunovic, M.D.
• Carrie Simmons
• Delicia Simmons
• Justin Simmons, DO
• Katherine Simmons, LMSW
• Kathleen A Simmons, LMSW

• Gastroenterology Physician in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Gastroenterology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 2023; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.