Onyekachi Chika Hammack, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

4301109582 Issued in MI

Practice address

2790 Health Pkwy
Mt Pleasant, MI 48858-6934

Phone

(989) 779-5270

NPI assigned

May 17, 2012

Last updated

Feb 13, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Dr. Chika Hammack Professional name

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: chika.hammack.p1@direct.isabellahealth.nextgenshare.com
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Isabella Citizens for Health, Inc.

  • Federally Qualified Health Center (FQHC)
  • Mt Pleasant, MI
  • NPI 1104177195
  Medicare reassignment NPD
• Isabella Citizens for Health Inc

  • Family Medicine Physician
  • Mt Pleasant, MI
  • NPI 1245610302
  NPD
• Isabella Citizens for Health Inc

  dba Farwell Health Center of Isabella Citizens for Health Inc

  • Federally Qualified Health Center (FQHC)
  • Farwell, MI
  • NPI 1548090491
  NPD
• Isabella Citizens for Health Inc

  dba Health Park Pharmacy

  • Community/Retail Pharmacy
  • Mt Pleasant, MI
  • NPI 1942842471
  NPD

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

{
    "created_epoch": "1337212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739404800000",
    "number": "1720348287",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2935 HEALTH PKWY",
            "address_2": "ISABELLA CITIZENS FOR HEALTH",
            "city": "MT PLEASANT",
            "state": "MI",
            "postal_code": "488588931",
            "telephone_number": "989-779-5270"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2790 HEALTH PKWY",
            "city": "MT PLEASANT",
            "state": "MI",
            "postal_code": "488586934",
            "telephone_number": "989-779-5270"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAMMACK",
        "first_name": "ONYEKACHI",
        "middle_name": "CHIKA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2012-05-17",
        "last_updated": "2025-02-13",
        "certification_date": "2025-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MI",
            "license": "4301109582",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHIKA",
            "last_name": "HAMMACK",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• Jamie Haines, DSCPT
• Ahmad Hakemi, MD
• Alesha Ruth Hall, TLLP
• Curtis Hall
• Renee Alison Halladay, PTA
• Landin Douglas Hanft
• Hanger Prosthetics & Orthotics East Inc (Hanger Clinic)
• Alana Margaret Hansen, RN
• Jordan Hardiman
• Sierra Marie Harns, DNP

• Pediatrics Physician in Mt Pleasant, MI
• Providers in Mt Pleasant, MI by specialty
• Pediatrics Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.