NPIMap

Individual provider Active NPI

David S Schlager, M.D.

  • Psychiatry Physician
  • Austin, TX
National Provider Identifier
1710918206
Registry record updated Aug 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
N8347 Issued in TX
Practice address
5900 Balcones Drive
# 25544
Austin, TX 78731
Phone
(516) 810-0437
NPI assigned
Jul 5, 2006
Last updated
Aug 14, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 14, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X G137265 CA
Psychiatry Physician 2084P0800X N8347 TX Primary
Psychiatry Physician 2084P0800X 151833 NY

Addresses

Primary practice location

5900 Balcones Drive
# 25544
Austin, TX 78731

Mailing address

17 Chisholm TRL
Wimberley, TX 78676-3434
Phone (516) 810-0437

Other practice location 1

1500 Red River St
Austin, TX 78701-1918
Phone (516) 810-0437

Other practice location 2

100 Pine St
San Francisco, CA 94111-5102
Phone (833) 351-8255

Other practice location 3

Stony Brook Psychiatric Assoc UFPC
Stony Brook University Hospital HSC T10-Rm 020
Stony Brook, NY 11794-8101
Phone (613) 444-2938

Other identifiers 2

IdentifierTypeStateIssuer
01188430MedicaidTX
01188430MedicaidNY

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, TX2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20070810000215 NY Practitioner - Psychiatry 6305937939 Reassigns benefits to 1 organization
I20100318000053 TX Practitioner - Psychiatry 6305937939 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Tufts University School of Medicine, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

100 Nicolls Rd
Stony Brook, NY 11794-0001
Phone (631) 444-2990

169 Putnam Hall
South Campus
Stony Brook, NY 11794-8790
Phone (631) 632-8850

Lauterbur Dr
Stony Brook, NY 11794-0001
Phone (631) 638-1000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G137265CAMDPsychiatry Physician
N8347TXMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Austin Travis County Mental Health and Mental Retardation Center CurrentSince Jul 1, 2019 Accepting new patients
Tri-County Clinical Current Accepting new patients
Tri-County Clinical CurrentSince Feb 24, 2025 Accepting new patients
Austin Travis County Mental Health and Mental Retardation Center Psychiatry CurrentSince Jul 1, 2019 Accepting new patients
Neurology Associates of Stony Brook, University Faculty Practice Corpo Past Accepting new patients

Locations

1165 Airport Blvd
Austin, TX 78702
Phone (512) 703-1312

1430 Collier St
Austin, TX 78704
Phone (512) 427-4357

1500 Red River St
Austin, TX 78701
Phone (512) 324-0150

3501 Mills Ave
Austin, TX 78731
Phone (512) 324-1017

5015 S Interstate 35
Austin, TX 78744
Phone (512) 703-1392

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Organizations & group practices 6

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 6

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": "1152057600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786665600000",
    "number": "1710918206",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17 CHISHOLM TRL",
            "city": "WIMBERLEY",
            "state": "TX",
            "postal_code": "786763434",
            "telephone_number": "516-810-0437"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5900 BALCONES DRIVE",
            "address_2": "# 25544",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "78731",
            "telephone_number": "516-810-0437"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 Red River St",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787011918",
            "country_code": "US",
            "telephone_number": "516-810-0437",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 Pine St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941115102",
            "country_code": "US",
            "telephone_number": "833-351-8255",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "Stony Brook Psychiatric Assoc UFPC",
            "address_2": "Stony Brook University Hospital HSC T10-Rm 020",
            "address_purpose": "LOCATION",
            "city": "Stony Brook",
            "state": "NY",
            "postal_code": "117948101",
            "country_code": "US",
            "telephone_number": "613-444-2938",
            "fax_number": "631-444-7534",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SCHLAGER",
        "first_name": "DAVID",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-05",
        "last_updated": "2026-08-14",
        "certification_date": "2026-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "G137265",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "TX",
            "license": "N8347",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "151833",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01188430",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01188430",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Austin, TX

Sources for this page

Verify at the official NPI Registry.