NPIMap

Individual provider Active NPI

Michael Taylor Almquist, DO

  • Hospitalist Physician
  • San Antonio, TX
National Provider Identifier
1891323531
Registry record updated Sep 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
U4140 Issued in TX
Practice address
4502 Medical Dr
San Antonio, TX 78229-4402
Phone
(210) 358-4000
Fax
(210) 358-8002
NPI assigned
Mar 30, 2020
Last updated
Sep 23, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 23, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 336158 LA
Internal Medicine Physician 207R00000X U4140 TX
Hospitalist Physician 208M00000X U4140 TX Primary

Addresses

Primary practice location

4502 Medical Dr
San Antonio, TX 78229-4402

Mailing address

4502 Medical Dr
San Antonio, TX 78229-4402
Phone (201) 358-4000

Other practice location 1

2 Spurs Lane Bldg 6 Ste 100
San Antonio, TX 78240-1760
Phone (210) 615-8003

Other practice location 2

903 SW 24th St
San Antonio, TX 78207-5136
Phone (210) 432-7801

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230809003463 TX Practitioner - Internal MedicinePractitioner - Hospitalist 3678996626 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
William Carey University College of Osteopathic Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hospital Medicine Services of TX, PLLCGroup PAC ID 3274998067, 376 clinicians
Trumen Physicians and Associates PLLCGroup PAC ID 7618006883, 133 clinicians
Community Medicine AssociatesGroup PAC ID 7719979509, 590 clinicians

Practice addresses (Care Compare)

1139 E Sonterra Blvd
San Antonio, TX 78258-4347
Phone (210) 638-2000

2626 S Loop W
Suite 265
Houston, TX 77054-5636
Phone (713) 795-9955

4502 Medical Dr
San Antonio, TX 78229-4402
Phone (210) 358-2015

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
U4140TXMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hermann Medical Group Internal Medicine CurrentSince Apr 1, 2024 Accepting new patients
Community Medicine Associates Internal Medicine CurrentSince Nov 12, 2024 Accepting new patients
Usacs Integrated Acute Care Services of Texas, PLLC Internal Medicine CurrentSince Jan 14, 2025 Accepting new patients
Hospital Medicine Services of TX, PLLC Hospitalist CurrentSince Mar 23, 2024 Accepting new patients
Methodist Healthcare System of San Antonio, LTD., L.L.P. Past Accepting new patients

Locations

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

1505 E Winding Way Dr
Ste 200
Friendswood, TX 77546
Phone (713) 366-7800

12141 Richmond Ave
Houston, TX 77082
Phone (281) 558-3444

1801 North Loop W
Ste 30
Houston, TX 77008
Phone (713) 802-9781

2900 Richmond Ave
Houston, TX 77098
Phone (713) 512-6056

915 Gessner Rd
Ste 100
Houston, TX 77024
Phone (713) 242-2222

260 Cully Dr
Kerrville, TX 78028
Phone (830) 258-7323

12412 Judson Rd
Live Oak, TX 78233
Phone (210) 646-5000

11100 Shadow Creek Pkwy
Pearland, TX 77584
Phone (713) 770-7000

3203 Broadway St
Pearland, TX 77581
Phone (281) 485-8876

1139 E Sonterra Blvd
San Antonio, TX 78258
Phone (210) 638-2000

4502 Medical Dr
San Antonio, TX 78229
Phone (210) 358-3555

6700 W Interstate 10
San Antonio, TX 78201
Phone (210) 575-8289

7700 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 575-5564

903 W Martin St
#492
San Antonio, TX 78207
Phone (210) 358-3441

6565 Fannin St
Va Hospital, TX 77030
Phone (713) 394-6000

Organizations & group practices 7

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 8

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": "1585526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790121600000",
    "number": "1891323531",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4502 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294402",
            "telephone_number": "201-358-4000",
            "fax_number": "210-358-8002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4502 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294402",
            "telephone_number": "210-358-4000",
            "fax_number": "210-358-8002"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2 Spurs Lane Bldg 6 Ste 100",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782401760",
            "country_code": "US",
            "telephone_number": "210-615-8003",
            "fax_number": "210-615-1141",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "903 SW 24th St",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782075136",
            "country_code": "US",
            "telephone_number": "210-432-7801",
            "fax_number": "210-432-7802",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALMQUIST",
        "first_name": "MICHAEL",
        "middle_name": "TAYLOR",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-30",
        "last_updated": "2026-09-23",
        "certification_date": "2026-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "LA",
            "license": "336158",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "U4140",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "U4140",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.