Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1184253080 Individual Practitioner Male Practitioner

Dr. Mackenzie Howard Holmberg , MD

Internal Medicine • Seattle, WA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Mackenzie Holmberg, MD is a certified Internal Medicine practicing in Seattle, WA. With approximately 6 years of clinical experience since graduating from University Of Washington School Of Medicine in 2020, Dr. Holmberg delivers high-quality medical care to the local community at 4245 ROOSEVELT WAY NE FL 3.

Dr. Holmberg is affiliated with The Association Of University Physicians and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4245 Roosevelt Way Ne Fl 3

Seattle, WA 981056008

Telephone 2065988750
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

University Of Washington School Of Medicine

Graduation Year

2020

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Seattle, WA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
6 Yrs -14.3 yrs vs City Avg
City Avg: 20.3 Yrs
State Avg: 23.4 Yrs
Regional Practice Density
839 Specialists

Practicing in Seattle, WA (3169 Statewide)

Telehealth Adoption Rate
26.1% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
66.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Holmberg (6 Years) 6 Yrs
Seattle Specialty Average (20.3 Years) 20.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes
69 63 $207.67 $67.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
54 37 $305.37 $99.94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
46 13 $243.75 $82.85
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
43 33 $51.94 $17.44
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
35 35 $411.89 $142.84

Medical Specialties & State Licenses

CMS Verified: 2024-05-29
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WA MD61057155

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License WA MD61057155

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Hospital & Practice Group Affiliations

The Association Of University Physicians

325 9th Ave, Seattle, WA 981042420

Phone: 2067313000

Secondary Practice Locations

1959 Ne Pacific St

Seattle, WA 981950001

Phone: 2065433065

325 9th Ave

Seattle, WA 981042420

Phone: 2065205000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Douglas Paauw

Internal Medicine

NPI 1003992769
Diane Britt , ARNP

Nurse Practitioner - Adult Health

NPI 1013967975

Advanced Registered Nurse Practitioner

Dr. Jehan Budak , MD

Internal Medicine

NPI 1023384229

Doctor of Medicine (M.D.)

Eric Larson

Internal Medicine

NPI 1033295787
NPI 1033477468

Doctor of Medicine (M.D.)

Dr. Heidi Powell , MD

Internal Medicine

NPI 1043396708

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Practice Location May 29, 2024

Registered at 4245 ROOSEVELT WAY NE FL 3, SEATTLE, WA 981056008 (Tel: 2065988750)

📍
Updated Practice Location September 27, 2023

Registered at 325 9TH AVE, SEATTLE, WA 981042420 (Tel: 2065205000)

📍
Updated Business Mailing Address September 27, 2023

Registered at PO BOX 50095, SEATTLE, WA 981455095

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 27, 2023

Internal Medicine (License #MD61057155 in WA)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 23, 2020

Internal Medicine (License #ML61057159 in WA)

NPI Profile Active April 03, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location April 03, 2020

Registered at 1959 NE PACIFIC ST, SEATTLE, WA 981950001 (Tel: 2065433065)

📍
Updated Business Mailing Address April 03, 2020

Registered at 1959 NE PACIFIC STREET BOX 356421, SEATTLE, WA 981956717

👤
Provider Name / Credentials Updated April 03, 2020

Recorded as MACKENZIE HOLMBERG, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 03, 2020

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 03, 2020

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1184253080
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 03, 2020
Last Update: May 29, 2024
Sole Proprietor: No

Mailing Address

Po Box 50095

Seattle, WA 981455095

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.