Dr. Melanie S Z Walker, MD

  • Seattle, WA
  • Neurosurgeon
NPI1578643540PAC ID2163412628
Medicare services, 2024
203
Medicare patients, 2024
57
Publications
35
MIPS score, 2024
94
Hospital affiliations
5
Practice address
325 9th Avenue, Seattle, WA 98104
Practice phone
Call (206) 744-9535
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Harborview Medical Center

Hospital · Seattle, Washington

See all 9 affiliations

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Dr. Melanie S Z Walker is a neurosurgeon in Seattle, Washington

Dr. Walker practices at Harborview Medical Center in Seattle, Washington, part of University of Washington.

Dr. Walker's NPI, 1578643540, was assigned on October 16, 2006. Dr. Walker graduated from University of Texas Medical Branch at Galveston in 1998. Dr. Walker holds Washington license MD00043583.

NPI and contact details
Medicare PAC ID
2163412628
NPI enumeration date
October 16, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(206) 744-9535
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Melanie S Z Walker practices at Harborview Medical Center in Seattle, Washington

Dr. Walker's primary practice is Harborview Medical Center, at 325 9th Avenue, Seattle, WA 98104 in King County. The practice phone is (206) 744-9535.

Source: Dmand AI Affiliation Data

Dr. Melanie S Z Walker is affiliated with 7 sites of care and 2 medical groups

Dr. Walker's primary practice is Harborview Medical Center in Seattle, Washington, part of University of Washington. Dr. Walker is also affiliated with UW Medical Center - Montlake. The medical group on file is UW Physicians. Dmand AI also links Dr. Walker to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. Walker

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Melanie S Z Walker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Harborview Medical CenterAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Melanie S Z Walker is one of 187 neurosurgeons in Washington

Neurological surgery is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Walker is licensed in Washington.

Specialties and state licenses

  • Neurological surgery, WashingtonPrimaryLicense MD00043583 · taxonomy 207T00000X

Neurosurgeons near Dr. Walker

Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Melanie S Z Walker billed Medicare for 203 services in 2024

CMS data shows 203 Medicare services from Dr. Walker across 9 procedure codes in 2024, for 57 Medicare patients. Medicare paid $54,319 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024203
Medicare patients57
Paid by Medicare$54,319
Procedure codes9

Dr. Walker's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 692024: 10248%
Surgery
2023: 1182024: 10114%

Dr. Walker compared with the Washington median for neurosurgeons, 2024

  • Dr. Walker
  • Washington median
Medicare services
203vs 15432% above
Medicare patients
57vs 13257% below

Medians across 156 neurosurgeons in Washington with Dmand AI profiles that report each measure.

Dr. Walker's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Walker

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Melanie S Z Walker treated 57 Medicare patients in 2024, average age 75

CMS counts 57 Medicare patients who saw Dr. Walker in 2024. The largest group is 75 to 84, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 57, with 53% women.

Medicare patients, 202457
Average age75
Average risk score1.36
Also on Medicaid23%

Dr. Walker's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Walker's Medicare patients by sex, 2024

  • Women2747%
  • Men3053%

Chronic conditions among Dr. Walker's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Stroke or TIA75%
  4. Mood disorders39%
  5. Arthritis35%
  6. Atrial fibrillation33%
  7. Chronic kidney disease33%
  8. Depression32%

Share of Medicare patients with each condition. A patient can have several.

Dr. Walker's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women53%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Melanie S Z Walker scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Walker for performance year 2024, reported through an alternative payment model (APM). Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Walker's MIPS scores, performance year 2024

  • 94of 100Final score
  • 74.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Melanie S Z Walker has 35 publications on record

Dmand AI links 35 papers to Dr. Walker, published from 2012 to 2025. 2021 was the busiest year, with 7. The most frequent topics are Stroke, Cerebral Angiography and Embolization, Therapeutic. Dr. Walker has published most often in J Neurointerv Surg. Dr. Walker's most frequent co-authors are Michael Robert Levitt, MD, David Ian Bass, MD and Louis J. Kim, MD.

Papers35
Years published2012 to 2025

Dr. Walker's papers by year, 2012 to 2025

Topics Dr. Walker writes about most

  • Stroke
  • Cerebral Angiography
  • Embolization, Therapeutic
  • Intracranial Aneurysm
  • Stents
  • Brain Ischemia
  • Ischemic Stroke
  • Angiography, Digital Subtraction

Dr. Walker's most frequent co-authors

Recent publications by Dr. Walker

See all 35 publications and co-authors

See who Dr. Walker researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Walker works with, so you can find a warm path to the right neurosurgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Melanie S Z Walker received $40,550 in industry payments from 2018 to 2025

CMS Open Payments shows 95 general payments to Dr. Walker from 11 drug and device companies from 2018 to 2025. Speaker and faculty fees make up the largest share, 48% of the total. Medtronic USA, Inc. paid the most, $25,719.

General payments to Dr. Walker by program year, 2018 to 2025

General payments to Dr. Walker by kind, 2018 to 2025

$40.6Kin total
  • Speaker and faculty fees$19,30048%
  • Travel and lodging$8,73322%
  • Consulting fees$8,50021%
  • Food and beverage$4,01710%

Companies that paid Dr. Walker the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Walker

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Melanie S Z Walker graduated from University of Texas Medical Branch at Galveston

Dr. Walker graduated from University of Texas Medical Branch at Galveston in 1998.

  1. Medical schoolUniversity of Texas Medical Branch at Galveston

Source: Dmand AI Professional Profile Data

Sources for Dr. Melanie S Z Walker's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Melanie S Z Walker

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Melanie S Z Walker's NPI number?

Dr. Melanie S Z Walker's NPI number is 1578643540. It was assigned on October 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Melanie S Z Walker?

Dr. Melanie S Z Walker is a neurosurgeon in Seattle, Washington. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Melanie S Z Walker practice?

Dr. Walker practices at 325 9th Avenue, Seattle, WA 98104. Dr. Walker's primary practice is Harborview Medical Center in Seattle, Washington, part of University of Washington. Dmand AI also links Dr. Walker to 3 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Melanie S Z Walker's office phone number?

The practice phone on file for Dr. Walker is (206) 744-9535.

What is Dr. Melanie S Z Walker's medical license number?

Dr. Walker holds Washington license MD00043583.

Which hospitals is Dr. Melanie S Z Walker affiliated with?

Dr. Walker practices at Harborview Medical Center in Seattle, Washington. Dr. Walker is also affiliated with UW Medical Center - Montlake. Dmand AI links Dr. Walker to 3 more hospitals.

What medical group is Dr. Melanie S Z Walker part of?

Dr. Walker is linked to UW Physicians. Dmand AI links Dr. Walker to 1 more medical group.

Does Dr. Melanie S Z Walker accept Medicare?

Yes. CMS data shows Dr. Walker billed Medicare for 203 services in 2024, and Dr. Walker accepts Medicare assignment.

What is Dr. Melanie S Z Walker's MIPS score?

Dr. Walker's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Melanie S Z Walker see?

CMS counts 57 Medicare patients who saw Dr. Walker in 2024, with an average age of 75.

Show 6 more questionsShow fewer questions

What services does Dr. Melanie S Z Walker bill to Medicare?

In 2024, Dr. Walker's most billed Medicare services were ultrasound (76937), diagnostic imaging (75898) and diagnostic imaging (75894).

Where did Dr. Melanie S Z Walker go to medical school?

Dr. Walker graduated from University of Texas Medical Branch at Galveston in 1998.

Has Dr. Melanie S Z Walker received payments from drug or device companies?

CMS Open Payments shows $40,550 in general payments to Dr. Walker from 11 companies from 2018 to 2025. The largest total came from Medtronic USA, Inc.

How long has Dr. Melanie S Z Walker been practicing?

Dr. Walker graduated from medical school in 1998, 28 years ago.

Does Dr. Melanie S Z Walker do research?

Dmand AI links 35 publications to Dr. Walker, published from 2012 to 2025.

Who does Dr. Melanie S Z Walker publish with?

Dr. Walker's most frequent co-authors are Michael Robert Levitt, MD (20 shared papers), David Ian Bass, MD (3 shared papers) and Louis J. Kim, MD (3 shared papers).

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