Dietmar J Grentz, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

4301069296 Issued in MI

Practice address

2725 Airview Blvd
Ste 105
Portage, MI 49002-1803

Phone

(269) 349-8386

Fax

(269) 349-8397

NPI assigned

Jul 19, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MI, IA2 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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dgrentz@yourcarecommunity.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.

• Vpa PC

  dba HarmonyCares Medical Group

  • Family Medicine Physician
  • Portage, MI
  • NPI 1669091864
  Medicare reassignment NPD
• The Finley Hospital

  dba UnityPoint Clinic

  • Family Medicine Physician
  • Dubuque, IA
  • NPI 1073560462
  Medicare reassignment NPD
• Vpa PC

  dba HarmonyCares Medical Group

  • Family Medicine Physician
  • Troy, MI
  • NPI 1336153295
  NPD
• The Finley Hospital

  dba UnityPoint Health - Provider Services

  • Emergency Medicine Physician
  • Dubuque, IA
  • NPI 1134176308
  NPD
• Vpa PC

  dba HarmonyCares Medical Group

  • Family Medicine Physician
  • Brentwood, TN
  • NPI 1578363362
  NPD

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

{
    "created_epoch": "1153267200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1469145600000",
    "number": "1346269586",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7088 GREEN TIMBER CT",
            "city": "GREENVILLE",
            "state": "MI",
            "postal_code": "488388193",
            "telephone_number": "616-712-6436"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2725 AIRVIEW BLVD",
            "address_2": "STE 105",
            "city": "PORTAGE",
            "state": "MI",
            "postal_code": "490021803",
            "telephone_number": "269-349-8386",
            "fax_number": "269-349-8397"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRENTZ",
        "first_name": "DIETMAR",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-19",
        "last_updated": "2016-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MN",
            "license": "39564",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MI",
            "license": "4301069296",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "036069689",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE",
            "identifier": "M97310016",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Calley Nichole Green, RN
• Gina Lynne Green, FNP-C
• Varquwon Lamar Green
• Emily Greenhalgh
• Erinn Raeda Greenman
• Julie Lynn Griffin, ATC, AT
• Jessica M Griffioen, MA, LLPC, NCC
• Heidi L Griggs, DO
• Growth Mindset Counseling, PLLC
• Francis A Grubelich, MD

• Family Medicine Physician in Portage, MI
• Providers in Portage, MI by specialty
• Family Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 2016; 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.