Individual provider Active NPI

Greg M Kleynberg, MD

  • Anesthesiology Physician
  • Midland, MI
National Provider Identifier
1639193154
Registry record updated Dec 11, 2014
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
4301079713 Issued in MI
Practice address
4000 Wellness Dr
Midland, MI 48670-2000
Phone
(989) 839-3606
Fax
(989) 839-1509
NPI assigned
Jul 27, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 11, 2014

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 4301079713 MI Primary

Addresses

Primary practice location

4000 Wellness Dr
Midland, MI 48670-2000

Mailing address

4000 Wellness Dr
Midland, MI 48670-2000
Phone (989) 839-3606

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
I20050316001044 MI Practitioner - Anesthesiology 2769437391 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Anesthesia Services Associates PCGroup PAC ID 4385557602, 67 clinicians

Practice addresses (Care Compare)

1101 W University Dr
Crittenton Hospital Medical Center
Rochester, MI 48307-1863
Phone (248) 652-5000

Hospital & facility affiliations

  • McLaren Bay Region Hospital, Bay City, MI, CCN 230041

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Anesthesia Services Associates, PC Anesthesiology CurrentSince May 16, 2025 Accepting new patients
Mid Michigan Anesthesiology Group, PC Anesthesiology CurrentSince Jun 1, 2007 Accepting new patients

Locations

1900 Columbus Ave
Bay City, MI 48708
Phone (989) 894-3000

2775 Blake Rd
Jackson, MI 49201
Phone (517) 787-2906

4000 Wellness Dr
Midland, MI 48670
Phone (844) 832-1956

432 W University Dr
Rochester, MI 48307
Phone (248) 651-6122

1101 W University Dr
Rochester Hls, MI 48307
Phone (248) 601-4805

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1153958400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1418256000000",
    "number": "1639193154",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 WELLNESS DR",
            "city": "MIDLAND",
            "state": "MI",
            "postal_code": "486702000",
            "telephone_number": "989-839-3606",
            "fax_number": "989-839-1509"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4000 WELLNESS DR",
            "city": "MIDLAND",
            "state": "MI",
            "postal_code": "486702000",
            "telephone_number": "989-839-3606",
            "fax_number": "989-839-1509"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KLEYNBERG",
        "first_name": "GREG",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-27",
        "last_updated": "2014-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MI",
            "license": "4301079713",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Midland, MI

Sources for this page

Verify at the official NPI Registry.