Individual provider Active NPI

Thanmai Kaleru

  • Internal Medicine Physician
  • Federal Way, WA
National Provider Identifier
1154061612
Registry record updated Sep 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD61691460 Issued in WA
Practice address
33501 1St Way S
Federal Way, WA 98003-6208
Phone
(253) 838-2400
Fax
(253) 874-1782
NPI assigned
Mar 31, 2022
Last updated
Sep 15, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 15, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD61691460 WA Primary

Addresses

Primary practice location

33501 1St Way S
Federal Way, WA 98003-6208

Mailing address

PO Box 741515
Los Angeles, CA 90074-1515
Phone (253) 838-2400

Other names 1

  • Thanmai Master Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
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
I20250801003444 WA Practitioner - Internal Medicine 6103205794 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Virginia Mason Medical CenterGroup PAC ID 9830002617, 867 clinicians

Practice addresses (Care Compare)

33501 1St Way S
Federal Way, WA 98003-6208
Phone (253) 838-2400

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Virginia Mason Medical Center Internal Medicine CurrentSince Aug 28, 2025 Accepting new patients
Virginia Mason Medical Center Current Accepting new patients
Virginia Mason Medical Center CurrentSince Aug 28, 2025 Accepting new patients
Virginia Mason Medical Center Past Accepting new patients

Locations

380 Winslow Way E
Bainbridge Island, WA 98110
Phone (206) 842-5632

33501 1st Way S
Federal Way, WA 98003
Phone (253) 838-2400

4575 Sand Point Way NE
Ste 108
Seattle, WA 98105
Phone (206) 525-8000

925 Seneca St
Seattle, WA 98101
Phone (206) 341-0860

Interoperability endpoints

  • FHIR API: https://fhir-myrecord.cerner.com/r4/66ad9a50-d7f7-4c21-b933-2ba90047388e/

Organizations & group practices 4

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": "1648684800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1154061612",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 741515",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900741515",
            "telephone_number": "253-838-2400",
            "fax_number": "253-874-1782"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "33501 1ST WAY S",
            "city": "FEDERAL WAY",
            "state": "WA",
            "postal_code": "980036208",
            "telephone_number": "253-838-2400",
            "fax_number": "253-874-1782"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KALERU",
        "first_name": "THANMAI",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-03-31",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD61691460",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "THANMAI",
            "last_name": "MASTER",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Federal Way, WA

Sources for this page

Verify at the official NPI Registry.