Individual provider Active NPI

Markus Niederwanger, MD

  • Physical Medicine & Rehabilitation Physician
  • Savannah, GA
National Provider Identifier
1508858887
Registry record updated May 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X
License
54817 Issued in GA
Practice address
322 Stephenson Ave Ste a
Savannah, GA 31405-4345
Phone
(912) 644-5300
NPI assigned
Aug 22, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Medicine & Rehabilitation Physician 208100000X 54817 GA Primary
Pain Medicine Physician 208VP0000X 54817 GA

Addresses

Primary practice location

322 Stephenson Ave Ste a
Savannah, GA 31405-4345

Mailing address

440 Mall Blvd Ste C
Savannah, GA 31406-4868
Phone (912) 644-3340

Other practice location 1

303 Harris Industrial Blvd
Vidalia, GA 30474-8853
Phone (912) 644-5300

Other practice location 2

257 S Main St
Reidsville, GA 30453-4605
Phone (912) 644-5300

Other practice location 3

1724B Old Reynolds St
Waycross, GA 31501-1036
Phone (912) 644-5300

Other practice location 4

821 S Main St Ste C
Baxley, GA 31513-0163
Phone (912) 644-5300

Other practice location 5

102 Rocky Ford Rd
Sylvania, GA 30467-2044
Phone (912) 644-5300

Other practice location 6

961 E Winthrope Ave
Millen, GA 30442-1839
Phone (912) 644-5300

Other practice location 7

119B Victory Dr
Swainsboro, GA 30401-3234
Phone (912) 644-5300

Other practice location 8

242 Industrial Blvd
Dublin, GA 31021-2904
Phone (912) 644-5300

Other practice location 9

602 E Long St
Claxton, GA 30417-5914
Phone (912) 644-5300

Other practice location 10

790 Veterans Pkwy Ste 111
Hinesville, GA 31313-3991
Phone (912) 644-5300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GA
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
I20140204000543 GA Practitioner - Physical Medicine and Rehabilitation 4688600448 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Medicine and Rehabilitation
Education
Other, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Tattnall Hospital Company LLCGroup PAC ID 6204907124, 47 clinicians

Practice addresses (Care Compare)

104 Charles Andrew Dr
Unit 112
Vidalia, GA 30474-7241
Phone (912) 557-1330

210 E Derenne Ave
Savannah, GA 31405-6736
Phone (912) 644-5300

247 S Main St
Reidsville, GA 30453-4605
Phone (912) 557-1000

257 S Main St
Reidsville, GA 30453-4605
Phone (912) 557-8990

303 Harris Industrial Blvd
Vidalia, GA 30474-8853
Phone (912) 537-0888

322 Stephenson Ave
Suite a
Savannah, GA 31405-4345
Phone (912) 644-5300

790 Veterans Pkwy
Suite 111
Hinesville, GA 31313-3991
Phone (912) 877-4400

Hospital & facility affiliations

  • Memorial Health Meadows Hospital Hospital, Vidalia, GA, CCN 110128

Merit-based Incentive Payment System (MIPS)

Final score
54.22 of 100Reported as group
Quality
71.46
Promoting interoperability
0
Improvement activities
40
Cost
59.28

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
54817GAMDPhysical Medicine & Rehabilitation Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Tattnall Hospital Company, LLC Current Accepting new patients
Tattnall Hospital Company, LLC Physical Medicine & Rehabilitation CurrentSince Feb 1, 2014 Accepting new patients
Tattnall Hospital Company, LLC Physical Medicine & Rehabilitation CurrentSince Feb 1, 2014 Accepting new patients
Tattnall Hospital Company, LLC Physical Medicine & Rehabilitation Past Accepting new patients
Tattnall Hospital Company LLC Physical Medicine & Rehabilitation Past Accepting new patients
Tattnall Hospital Company, LLC Pain Medicine Past Accepting new patients
Tattnall Hospital Company, LLC Physical Medicine & Rehabilitation Past Accepting new patients
Tattnall Hospital Company, LLC Physical Medicine & Rehabilitation Past Accepting new patients
Tattnall Hospital Company, LLC Physical Medicine & Rehabilitation Past Accepting new patients
Screven County Family Health Center, LLC Past Accepting new patients
Tattnall Hospital Company, LLC Physical Medicine & Rehabilitation Past Accepting new patients

Locations

821 S Main St
Ste C
Baxley, GA 31513
Phone (912) 367-5486

602 E Long St
Claxton, GA 30417
Phone (912) 739-2509

242 Industrial Blvd
Dublin, GA 31021
Phone (478) 272-3140

790 Veterans Parkway
Ste 111
Hinesville, GA 31313
Phone (912) 368-3868

961 E Winthrope Ave
Millen, GA 30442
Phone (478) 982-0120

247 S Main St
#A
Reidsville, GA 30453
Phone (912) 352-4490

210 E Derenne Ave
Savannah, GA 31405
Phone (912) 355-0140

440 Mall Blvd
Ste C
Savannah, GA 31406

322 Stephenson Ave
Ste A
Savannah, GA 31405
Phone (912) 544-5300

16915 Highway 67
#A
Statesboro, GA 30458
Phone (912) 681-2500

119B Victory Dr
Swainsboro, GA 30401
Phone (478) 237-7676

215 Mims Rd
Sylvania, GA 30467
Phone (912) 557-1207

102 Rocky Ford Rd
Sylvania, GA 30467
Phone (912) 564-2155

209 Mims Rd
#A
Sylvania, GA 30467
Phone (912) 564-5236

303 Harris Industrial Blvd
Vidalia, GA 30474
Phone (912) 537-0888

1724 Old Reynolds St
#B
Waycross, GA 31501

Interoperability endpoints

  • Direct secure messaging: markus.niederwanger.1@16403.direct.athenahealth.com

Organizations & group practices 11

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": "1124668800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778457600000",
    "number": "1508858887",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "440 MALL BLVD STE C",
            "city": "SAVANNAH",
            "state": "GA",
            "postal_code": "314064868",
            "telephone_number": "912-644-3340",
            "fax_number": "912-644-5260"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "322 STEPHENSON AVE STE A",
            "city": "SAVANNAH",
            "state": "GA",
            "postal_code": "314054345",
            "telephone_number": "912-644-5300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "303 Harris Industrial Blvd",
            "address_purpose": "LOCATION",
            "city": "Vidalia",
            "state": "GA",
            "postal_code": "304748853",
            "country_code": "US",
            "telephone_number": "912-644-5300",
            "fax_number": "912-644-5260",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "257 S Main St",
            "address_purpose": "LOCATION",
            "city": "Reidsville",
            "state": "GA",
            "postal_code": "304534605",
            "country_code": "US",
            "telephone_number": "912-644-5300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1724B Old Reynolds St",
            "address_purpose": "LOCATION",
            "city": "Waycross",
            "state": "GA",
            "postal_code": "315011036",
            "country_code": "US",
            "telephone_number": "912-644-5300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "821 S Main St Ste C",
            "address_purpose": "LOCATION",
            "city": "Baxley",
            "state": "GA",
            "postal_code": "315130163",
            "country_code": "US",
            "telephone_number": "912-644-5300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "102 Rocky Ford Rd",
            "address_purpose": "LOCATION",
            "city": "Sylvania",
            "state": "GA",
            "postal_code": "304672044",
            "country_code": "US",
            "telephone_number": "912-644-5300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "961 E Winthrope Ave",
            "address_purpose": "LOCATION",
            "city": "Millen",
            "state": "GA",
            "postal_code": "304421839",
            "country_code": "US",
            "telephone_number": "912-644-5300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "119B Victory Dr",
            "address_purpose": "LOCATION",
            "city": "Swainsboro",
            "state": "GA",
            "postal_code": "304013234",
            "country_code": "US",
            "telephone_number": "912-644-5300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "242 Industrial Blvd",
            "address_purpose": "LOCATION",
            "city": "Dublin",
            "state": "GA",
            "postal_code": "310212904",
            "country_code": "US",
            "telephone_number": "912-644-5300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "602 E Long St",
            "address_purpose": "LOCATION",
            "city": "Claxton",
            "state": "GA",
            "postal_code": "304175914",
            "country_code": "US",
            "telephone_number": "912-644-5300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "790 Veterans Pkwy Ste 111",
            "address_purpose": "LOCATION",
            "city": "Hinesville",
            "state": "GA",
            "postal_code": "313133991",
            "country_code": "US",
            "telephone_number": "912-644-5300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIEDERWANGER",
        "first_name": "MARKUS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-22",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "GA",
            "license": "54817",
            "primary": true
        },
        {
            "code": "208VP0000X",
            "taxonomy_group": "",
            "desc": "Pain Medicine, Pain Medicine",
            "state": "GA",
            "license": "54817",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Savannah, GA

Sources for this page

Verify at the official NPI Registry.