Mackenzie Howard Holmberg, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD61057155 Issued in WA

Practice address

4245 Roosevelt Way NE FL 3
Seattle, WA 98105-6008

Phone

(206) 598-8750

NPI assigned

Apr 3, 2020

Last updated

May 29, 2024By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Specialty

HospitalistAlso: Internal Medicine

Education

University of Washington School of Medicine, 2020

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)

Hospital & facility affiliations

• University of Washington Medical Ctr Hospital, Seattle, WA, CCN 500008
• Harborview Medical Center Hospital, Seattle, WA, CCN 500064

Merit-based Incentive Payment System (MIPS)

Final score

93.85 of 100Reported as apm

Quality

74.6

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mholmberg691959@direct.ehre.uwmedicine.org

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.

• The Association of University Physicians

  dba University of Washington Physicians

  • Anesthesiology Physician
  • Seattle, WA
  • NPI 1023041159

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Harborview Medical Center

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1053359729
  NPD (past)
• University of Washington

  dba University of Washington Medical Center

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1326002049
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Harborview Medical Center

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1053359729
  Care Compare affiliation
• University of Washington

  dba University of Washington Medical Center

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1326002049
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1585872000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1716940800000",
    "number": "1184253080",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 50095",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981455095"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4245 ROOSEVELT WAY NE FL 3",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981056008",
            "telephone_number": "206-598-8750"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1959 NE Pacific St",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981950001",
            "country_code": "US",
            "telephone_number": "206-543-3065",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "325 9th Ave",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981042420",
            "country_code": "US",
            "telephone_number": "206-520-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOLMBERG",
        "first_name": "MACKENZIE",
        "middle_name": "HOWARD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-03",
        "last_updated": "2024-05-29",
        "certification_date": "2024-05-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD61057155",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WA",
            "license": "MD61057155",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lisa M Holman, MS, RDN, CD
• Sandra Holman, LMT
• Stephanie Holman, SUDP
• William Holman, MSW
• Leona Ann Holmberg
• Mark R Holmberg, C.R.N.A.
• Nicole Marie Holmer, M.S., CCC-A
• Arturo Enrique Holmes II, MD
• Dorian Renee Holmes, N.D.
• Douglas Eugene Holmes, DDS

• Internal Medicine Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Internal Medicine Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 29, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.