Individual provider Active NPI

Bessie Young Mielcarek, MD, MPH

  • Nephrology Physician
  • Seattle, WA
National Provider Identifier
1629150438
Registry record updated Dec 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
26872 Issued in WA
Practice address
1660 S Columbian Way # 111a
VA Puget Sound Health Care System, Rdu-111a
Seattle, WA 98108-1532
Phone
(206) 277-3586
Fax
(206) 764-2022
NPI assigned
Oct 20, 2006
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 30, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 26872 WA Primary
Internal Medicine Physician 207R00000X 26872 WA

Addresses

Primary practice location

1660 S Columbian Way # 111a
VA Puget Sound Health Care System, Rdu-111a
Seattle, WA 98108-1532

Mailing address

6530 Sycamore Ave NW
Seattle, WA 98117-4846
Phone (206) 720-9877

Other practice location 1

1959 NE Pacific St
Seattle, WA 98195-0001
Phone (206) 598-0281

Other names 1

  • Dr. Bessie Ann Young Professional 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
I20101101001534 WA Practitioner - Nephrology 2163404815 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
University of Washington School of Medicine, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
The Association of University PhysiciansGroup PAC ID 0446162697, 3,484 clinicians

Practice addresses (Care Compare)

1701 Columbia Rd
Seattle, WA 98195-0001
Phone (206) 598-3100

1959 NE Pacific St
Seattle, WA 98195-0001
Phone (206) 598-4333

Hospital & facility affiliations

  • University of Washington Medical Ctr Hospital, Seattle, WA, CCN 500008

Merit-based Incentive Payment System (MIPS)

Final score
93.85 of 100Reported as apm
Quality
74.6
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
26872WAMDNephrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Association of University Physicians Internal Medicine CurrentSince Jun 13, 2024 Accepting new patients
University of Washington CurrentSince Sep 1, 2024 Accepting new patients
University of Washington Current Accepting new patients
University of Washington CurrentSince Sep 1, 2024 Accepting new patients

Locations

1660 S Columbian Way
#111A
Seattle, WA 98108
Phone (206) 277-3586

4333 Brooklyn Ave NE
Seattle, WA 98195
Phone (206) 221-1700

1959 NE Pacific St
Seattle, WA 98195
Phone (206) 598-4333

Interoperability endpoints

  • Direct secure messaging: bmielcarek1530117@direct.ehre.uwmedicine.org

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 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": "1161302400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767052800000",
    "number": "1629150438",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6530 SYCAMORE AVE NW",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981174846",
            "telephone_number": "206-720-9877"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1660 S COLUMBIAN WAY # 111A",
            "address_2": "VA PUGET SOUND HEALTH CARE SYSTEM, RDU-111A",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981081532",
            "telephone_number": "206-277-3586",
            "fax_number": "206-764-2022"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1959 NE PACIFIC ST",
            "address_purpose": "LOCATION",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981950001",
            "country_code": "US",
            "telephone_number": "206-598-0281",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MIELCAREK",
        "first_name": "BESSIE",
        "middle_name": "YOUNG",
        "name_prefix": "Mrs.",
        "credential": "MD, MPH",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-10-20",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "WA",
            "license": "26872",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "26872",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "BESSIE",
            "last_name": "YOUNG",
            "middle_name": "ANN",
            "prefix": "DR.",
            "credential": "MD, MPH",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.