Individual provider Active NPI

Steven Richard Niedermeier, MD

  • Orthopaedic Hand Surgery Physician
  • Arlington, TX
National Provider Identifier
1447647599
Registry record updated Nov 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Hand Surgery PhysicianTaxonomy code 207XS0106X
License
T1491 Issued in TX
Practice address
3533 Matlock Rd
Arlington, TX 76015-3604
Phone
(817) 419-0303
Fax
(833) 626-1951
NPI assigned
Apr 15, 2015
Last updated
Nov 4, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 4, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X T1491 TX
Orthopaedic Hand Surgery Physician 207XS0106X T1491 TX Primary

Addresses

Primary practice location

3533 Matlock Rd
Arlington, TX 76015-3604

Mailing address

3533 Matlock Rd
Arlington, TX 76015-3604
Phone (817) 419-0303

Other identifiers 1

IdentifierTypeStateIssuer
0397730007OtherNCNSC#

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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
I20211223001089 TX Practitioner - Orthopedic SurgeryPractitioner - Hand Surgery 5890095855 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic SurgeryAlso: Hand Surgery
Education
Ohio State University College of Medicine, 2015
Medicare assignment
May accept Medicare assignment
Group practices
Tmi Sports Medicine and Orthopedic Surgery PAGroup PAC ID 1052399508, 19 clinicians

Practice addresses (Care Compare)

3533 Matlock Rd
Arlington, TX 76015-3604
Phone (817) 419-0303

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.54 of 100Reported as group
Quality
92.07
Promoting interoperability
83
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper limb (arm) arthroscopy (minimally invasive joint repair)28

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
T1491TXMDOrthopaedic Hand Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Nto Physician Partners, PLLC Orthopaedic Surgery CurrentSince Sep 20, 2021 Accepting new patients
Nto Physician Partners, PLLC Orthopaedic Surgery CurrentSince Sep 20, 2021 Accepting new patients
Tmi Sports Medicine and Orthopedic Surgery PA Orthopaedic Surgery CurrentSince Jan 1, 2025 Accepting new patients
Tmi Sports Medicine and Orthopedic Surgery PA Orthopaedic Surgery CurrentSince Jan 1, 2025 Accepting new patients
Healthtexas Provider Network PastSince Mar 20, 2022 Accepting new patients

Locations

3533 Matlock Rd
Arlington, TX 76015
Phone (817) 419-0303

4501 Heritage Trace Pkwy
#101N
Fort Worth, TX 76244
Phone (817) 481-2121

4501 Heritage Trace Pkwy
Ste 101
Fort Worth, TX 76244
Phone (817) 221-0084

2535 Ira E Woods Ave
Grapevine, TX 76051
Phone (817) 481-2121

2535 Ira E Woods Ave
Ste 100
Grapevine, TX 76051
Phone (817) 481-2121

76 Regency Pkwy
Mansfield, TX 76063
Phone (817) 419-0303

Interoperability endpoints

  • Direct secure messaging: steven.niedermeier.1@20300.direct.athenahealth.com
  • Direct secure messaging: steven.niedermeier.1@25955.direct.athenahealth.com

Organizations & group practices 5

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.

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": "1429056000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762214400000",
    "number": "1447647599",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3533 MATLOCK RD",
            "city": "ARLINGTON",
            "state": "TX",
            "postal_code": "760153604",
            "telephone_number": "817-419-0303",
            "fax_number": "833-626-1951"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3533 MATLOCK RD",
            "city": "ARLINGTON",
            "state": "TX",
            "postal_code": "760153604",
            "telephone_number": "817-419-0303",
            "fax_number": "833-626-1951"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIEDERMEIER",
        "first_name": "STEVEN",
        "middle_name": "RICHARD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-15",
        "last_updated": "2025-11-04",
        "certification_date": "2025-11-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "TX",
            "license": "T1491",
            "primary": false
        },
        {
            "code": "207XS0106X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Hand Surgery",
            "state": "TX",
            "license": "T1491",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NSC#",
            "identifier": "0397730007",
            "state": "NC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Arlington, TX

Sources for this page

Verify at the official NPI Registry.