Dr. Marion L. Walker, MD

  • UT
  • Neurosurgeon
NPI1396854550
Part D claims, 2024
37
Publications
15
Industry payments
$746,610
State license
1
Year NPI issued
2006
Practice address
UT
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Marion L. Walker is a neurosurgeon in Utah

Dr. Walker practices in Utah.

Dr. Walker's NPI, 1396854550, was assigned on August 30, 2006. Dr. Walker holds Utah license 157130-1205.

NPI and contact details
NPI enumeration date
August 30, 2006
NPI status
Active
Professional email
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Personal email
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Mobile number
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Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dmand AI tracks the EHR system at Dr. Marion L. Walker's practice

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

EHR by site
SiteEHR vendor and product
Dr. Walker's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Marion L. Walker is one of 77 neurosurgeons in Utah

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

Specialties and state licenses

  • Neurological surgery, UtahPrimaryLicense 157130-1205 · 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. Marion L. Walker wrote 37 Medicare Part D claims in 2024

In 2024, Dr. Walker wrote 37 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $70 in total drug cost. In 2019, CMS named 12 claims across 1 drug.

Part D claims, 202437
Drugs named by CMS2
Total drug cost$70

Dr. Walker's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2019 to 2023

  • 2019
  • 2023
Claims for drugs CMS names
2019: 122023: 25108%

Drugs named by CMS: 2 in 2023, 1 in 2019.

See all prescribing by Dr. Walker

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Marion L. Walker has 15 publications on record

Dmand AI links 15 papers to Dr. Walker, published from 2010 to 2025. 2012 was the busiest year, with 2. The most frequent topics are Cerebrospinal Fluid Shunts, Hydrocephalus and Tomography, X-Ray Computed. Dr. Walker has published most often in J Neurosurg Pediatr. Dr. Walker's most frequent co-authors are John Richard Welsh Kestle, MD, Robert John Bollo, MD and Douglas L. Brockmeyer, MD.

Papers15
Years published2010 to 2025

Dr. Walker's papers by year, 2010 to 2025

Topics Dr. Walker writes about most

  • Cerebrospinal Fluid Shunts
  • Hydrocephalus
  • Tomography, X-Ray Computed
  • Baclofen
  • Catheters
  • Cerebral Ventricles
  • Foreign-Body Migration
  • Infusion Pumps, Implantable

Dr. Walker's most frequent co-authors

Recent publications by Dr. Walker

See all 15 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. Marion L. Walker received $746,610 in industry payments from 2016 to 2024

CMS Open Payments shows 531 general payments to Dr. Walker from 2 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 54% of the total. Medtronic USA, Inc. paid the most, $482,215. It also lists 1 research payment totaling $284 in 2024.

General payments to Dr. Walker by program year, 2016 to 2024

General payments to Dr. Walker by kind, 2016 to 2024

$746.6Kin total
  • Consulting fees$402,03054%
  • Travel and lodging$176,30424%
  • Speaker and faculty fees$159,13421%
  • Food and beverage$9,1421%

Companies that paid Dr. Walker the most, 2016 to 2024

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

Sources for Dr. Marion L. 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
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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)
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. Marion L. 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. Marion L. Walker's NPI number?

Dr. Marion L. Walker's NPI number is 1396854550. It was assigned on August 30, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Marion L. Walker?

Dr. Marion L. Walker is a neurosurgeon in Utah. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

What is Dr. Marion L. Walker's medical license number?

Dr. Walker holds Utah license 157130-1205.

What drugs does Dr. Marion L. Walker prescribe most?

In 2023 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Amlodipine Besylate and Ramipril.

Has Dr. Marion L. Walker received payments from drug or device companies?

CMS Open Payments shows $746,610 in general payments to Dr. Walker from 2 companies from 2016 to 2024. The largest total came from Medtronic USA, Inc.

How long has Dr. Marion L. Walker been practicing?

Dr. Walker's NPI was assigned in 2006.

Does Dr. Marion L. Walker do research?

Dmand AI links 15 publications to Dr. Walker, published from 2010 to 2025.

Who does Dr. Marion L. Walker publish with?

Dr. Walker's most frequent co-authors are John Richard Welsh Kestle, MD (5 shared papers), Robert John Bollo, MD (2 shared papers) and Douglas L. Brockmeyer, MD (2 shared papers).

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