Dr. Ken Masui Fujimura, MD

  • Pasadena, CA
  • Neurologist
NPI1629426630PAC ID6608299227
Medicare services, 2024
2,624
Medicare patients, 2024
755
Part D claims, 2024
396
Publications
11
Hospital affiliations
8
Practice address
630 S Raymond Ave, Pasadena, CA 91105
Practice phone
Call (626) 598-3770
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

West Coast Neurology, Inc

Pasadena, California

See all 27 affiliations

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Dr. Ken Masui Fujimura is a neurologist in Pasadena, California

Dr. Fujimura practices at West Coast Neurology, Inc in Pasadena, California.

Dr. Fujimura's NPI, 1629426630, was assigned on May 31, 2016. Dr. Fujimura graduated from New York Medical College in 2016. Dr. Fujimura holds Colorado license DR.0068239.

NPI and contact details
Medicare PAC ID
6608299227
NPI enumeration date
May 31, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(626) 598-3770
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

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

Dr. Ken Masui Fujimura practices at West Coast Neurology, Inc in Pasadena, California

Dr. Fujimura's primary practice is West Coast Neurology, Inc, at 630 S Raymond Ave, Pasadena, CA 91105 in Los Angeles County. The practice phone is (626) 598-3770.

  • West Coast Neurology, Inc
    630 S Raymond Ave, Pasadena, CA 91105 · Los Angeles CountyPhone(626) 598-3770

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Ken Masui Fujimura is affiliated with 14 sites of care and 13 medical groups

Dr. Fujimura's primary practice is West Coast Neurology, Inc in Pasadena, California. Dr. Fujimura is also affiliated with WakeMed Raleigh Campus. The medical group on file is West Coast Neurology. Dmand AI also links Dr. Fujimura to 7 more hospitals, 12 medical groups and 5 group practices and clinics, each named with a free account.

See all 27 affiliations for Dr. Fujimura

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Ken Masui Fujimura's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fujimura practices, 13 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
West Coast Neurology, IncAvailable with a free account
+13 more sites and 12 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ken Masui Fujimura is one of 2,207 neurologists in California

Neurology is Dr. Fujimura's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Fujimura is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Fujimura's licenses on file in 15 states: Colorado, South Dakota, Florida, Georgia, Iowa, Maine, North Dakota, New Mexico, Tennessee, Arkansas, California, Illinois, Kentucky, Louisiana and Missouri.

Specialties and state licenses

  • Neurology, ColoradoPrimaryLicense DR.0068239 · 2022 to 2027 · taxonomy 2084N0400X
  • South Dakota license
  • Florida license2024 to 2027
  • Georgia license2025 to 2027
  • Iowa license2022 to 2027
  • Maine license2022 to 2027
  • North Dakota license2025 to 2027
  • New Mexico license2024 to 2027
  • Tennessee license2022 to 2027
  • Arkansas license2023 to 2026
  • California licenseLicense A154050 · 2018 to 2026
  • Illinois license2022 to 2026
  • Kentucky license2023 to 2026
  • Louisiana license2024 to 2026
  • Missouri license2023 to 2026

Clinical focus

Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, carpal tunnel syndrome, head injury, hereditary polyneuropathy, lower back pain, migraine and chronic headache and neck pain and spine problems among the conditions Dr. Fujimura treats.

Neurologists near Dr. Fujimura

Counts of neurologists 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. Ken Masui Fujimura billed Medicare for 2,624 services in 2024

CMS data shows 2,624 Medicare services from Dr. Fujimura across 19 procedure codes in 2024, for 755 Medicare patients. Medicare paid $159,285 for them.

Medicare services, 20242,624
Medicare patients755
Paid by Medicare$159,285
Procedure codes19

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

  • 2023
  • 2024
Tests and treatments
2023: 7772024: 2,256190%
Office and hospital visits
2023: 1412024: 22157%
Other services
2023: 02024: 147

Where Dr. Fujimura's Medicare services took place, 2024

  • In an office29711%
  • In a facility2,32789%

Dr. Fujimura compared with the California median for neurologists, 2024

  • Dr. Fujimura
  • California median
Medicare services
2,624vs 4046.5 times
Medicare patients
755vs 1904.0 times
Part D claims
302vs 3247% below

Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.

Dr. Fujimura'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. Fujimura

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

Dr. Ken Masui Fujimura treated 755 Medicare patients in 2024, average age 73

CMS counts 755 Medicare patients who saw Dr. Fujimura in 2024. The largest group is 65 to 74, with 374 patients. 75% of them have arthritis, and 75% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Fujimura's median patient age at 62, with 57% women.

Medicare patients, 2024755
Average age73
Average risk score1.18
Also on Medicaid17%

Dr. Fujimura's Medicare patients by age, 2024

Dr. Fujimura's Medicare patients by sex, 2024

  • Women36849%
  • Men38751%

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

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes34%
  5. Ischemic heart disease33%
  6. Mood disorders33%
  7. Anxiety31%
  8. Depression31%

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

Dr. Fujimura's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women57%
  • Men43%

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

Dr. Ken Masui Fujimura wrote 396 Medicare Part D claims in 2024

In 2024, Dr. Fujimura wrote 396 Medicare Part D claims for 76 patients. 94% of them were for generic drugs. CMS names the drug for 302 of them, across 11 drugs with 11 or more claims each, at $6,035 in total drug cost. In 2023, CMS named 306 claims across 13 drugs.

Part D claims, 2024396
Drugs named by CMS11
Total drug cost$6,035
Part D patients76

Dr. Fujimura's Part D claims by kind of drug, 2024

  • Generic372 claims94%
  • Brand-name24 claims6%

Dr. Fujimura's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Fujimura's Part D claims, 2024

  • Antipsychotics, patients 65 and over3%11 of 396 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3062024: 3021%

Drugs named by CMS: 11 in 2024, 13 in 2023.

See all prescribing by Dr. Fujimura

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

Dr. Ken Masui Fujimura offers telehealth to Medicare patients

Dr. Fujimura accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fujimura as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Ken Masui Fujimura has 11 publications on record

Dmand AI links 11 papers to Dr. Fujimura, published from 2012 to 2024. 2018 was the busiest year, with 3. The most frequent topics are Pancreatic Neoplasms, Peptide Initiation Factors and Cell Line, Tumor. Dr. Fujimura has published most often in Cancer Res. Dr. Fujimura's most frequent co-authors are Michael Bouvet, MD, Paul J. Anderson, MD, PhD and Grace Y. Lin, MD, PhD.

Papers11
Years published2012 to 2024

Dr. Fujimura's papers by year, 2012 to 2024

Topics Dr. Fujimura writes about most

  • Pancreatic Neoplasms
  • Peptide Initiation Factors
  • Cell Line, Tumor
  • Eukaryotic Translation Initiation Factor 5A
  • RNA-Binding Proteins
  • Carcinoma, Pancreatic Ductal
  • Protein-Tyrosine Kinases
  • Adaptor Proteins, Signal Transducing

Dr. Fujimura's most frequent co-authors

Recent publications by Dr. Fujimura

See all 11 publications and co-authors

See who Dr. Fujimura researches with

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

How network discovery works

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

Dr. Ken Masui Fujimura received $8,706 in industry payments from 2020 to 2025

CMS Open Payments shows 414 general payments to Dr. Fujimura from 61 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $994.

General payments to Dr. Fujimura by program year, 2020 to 2025

General payments to Dr. Fujimura by kind, 2020 to 2025

$8.7Kin total
  • Food and beverage$8,668100%
  • Education$380%

Companies that paid Dr. Fujimura the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Fujimura

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

Dr. Ken Masui Fujimura graduated from New York Medical College

Dr. Fujimura graduated from New York Medical College in 2016.

  1. Medical schoolNew York Medical College
  2. Board certified in clinical neurophysiologyAmerican Board of Psychiatry and Neurology
  3. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Ken Masui Fujimura accepts plans from 21 insurance carriers

Dr. Fujimura is in network with 21 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • LA Care
  • Molina
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • +13 more carriersWith a free account

Plan types Dr. Fujimura accepts, by number of carriers

  1. HMO12
  2. Medicare9
  3. PPO9
  4. POS6
  5. Medicaid4
  6. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Ken Masui Fujimura'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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
Insurance carriers and plan typesDmand AI Insurance Network 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. Ken Masui Fujimura

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. Ken Masui Fujimura's NPI number?

Dr. Ken Masui Fujimura's NPI number is 1629426630. It was assigned on May 31, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Ken Masui Fujimura?

Dr. Ken Masui Fujimura is a neurologist in Pasadena, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Ken Masui Fujimura practice?

Dr. Fujimura practices at 630 S Raymond Ave, Pasadena, CA 91105. Dr. Fujimura's primary practice is West Coast Neurology, Inc in Pasadena, California. Dmand AI also links Dr. Fujimura to 7 hospitals, 12 medical groups and 5 group practices and clinics.

What is Dr. Ken Masui Fujimura's office phone number?

The practice phone on file for Dr. Fujimura is (626) 598-3770.

What is Dr. Ken Masui Fujimura's medical license number?

Dr. Fujimura holds Colorado license DR.0068239, one of the licenses on file in 15 states.

Which states has Dr. Ken Masui Fujimura been licensed in?

Dmand AI has state licenses on file for Dr. Fujimura in Colorado (2022 to 2027), South Dakota, Florida (2024 to 2027), Georgia (2025 to 2027), Iowa (2022 to 2027), Maine (2022 to 2027), North Dakota (2025 to 2027), New Mexico (2024 to 2027), Tennessee (2022 to 2027), Arkansas (2023 to 2026), California (2018 to 2026), Illinois (2022 to 2026), Kentucky (2023 to 2026), Louisiana (2024 to 2026) and Missouri (2023 to 2026).

Which hospitals is Dr. Ken Masui Fujimura affiliated with?

Dr. Fujimura is affiliated with WakeMed Raleigh Campus. Dmand AI links Dr. Fujimura to 7 more hospitals.

What medical group is Dr. Ken Masui Fujimura part of?

Dr. Fujimura is linked to West Coast Neurology. Dmand AI links Dr. Fujimura to 12 more medical groups.

Does Dr. Ken Masui Fujimura accept Medicare?

Yes. CMS data shows Dr. Fujimura billed Medicare for 2,624 services in 2024, and Dr. Fujimura accepts Medicare assignment.

Does Dr. Ken Masui Fujimura offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Fujimura as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Ken Masui Fujimura see?

CMS counts 755 Medicare patients who saw Dr. Fujimura in 2024, with an average age of 73.

Is Dr. Ken Masui Fujimura board certified?

Yes. Dr. Fujimura is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology.

What services does Dr. Ken Masui Fujimura bill to Medicare?

In 2024, Dr. Fujimura's most billed Medicare services were nerve and brain test (95937), nerve and brain test (95938) and nerve and brain test (95861).

Where did Dr. Ken Masui Fujimura go to medical school?

Dr. Fujimura graduated from New York Medical College in 2016.

What drugs does Dr. Ken Masui Fujimura prescribe most?

In 2024 Medicare Part D data, Dr. Fujimura's most prescribed drugs by claims were Gabapentin, Carbidopa-Levodopa and Amitriptyline HCl.

Has Dr. Ken Masui Fujimura received payments from drug or device companies?

CMS Open Payments shows $8,706 in general payments to Dr. Fujimura from 61 companies from 2020 to 2025. The largest total came from UCB, Inc.

How long has Dr. Ken Masui Fujimura been practicing?

Dr. Fujimura graduated from medical school in 2016, 10 years ago.

Does Dr. Ken Masui Fujimura do research?

Dmand AI links 11 publications to Dr. Fujimura, published from 2012 to 2024.

Who does Dr. Ken Masui Fujimura publish with?

Dr. Fujimura's most frequent co-authors are Michael Bouvet, MD (3 shared papers), Paul J. Anderson, MD, PhD (2 shared papers) and Grace Y. Lin, MD, PhD (1 shared paper).

What insurance does Dr. Ken Masui Fujimura accept?

Dr. Fujimura is in network with 21 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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