Ken Masui Fujimura, M.D.
Neurology Physician · Arcadia, CA
Ken Masui Fujimura, M.D. is a neurology physician with a practice address in Arcadia, California, and NPI 1629426630, issued on May 31, 2016. Check the license (California A154050, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ken Masui Fujimura
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- A154050 CA
DR.0068239 CO
2025-00310 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1015 N 1St Ave Apt A, Arcadia, CA 91006
- Phone
- (626) 598-3770
- Enumerated
- May 31, 2016
- Record last updated
- Jun 29, 2025
- Fax
- (626) 598-3797
- Medicare enrollment
- Enrolled (PECOS I20220405001019); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 1015 N 1St Ave Apt A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arnold Brizuela, M.D.Neurology Physician1528325818
- Lynsey Lakin, FNP-CNurse Practitioner1861890030
- George Nune, M.D.Epilepsy Physician1699099358
Verify Ken Masui Fujimura in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154050Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average neurology physician in 2024
396 Medicare Part D claims for 76 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Gabapentin83 claims
- Carbidopa-Levodopa61 claims
- Amitriptyline Hcl34 claims
- Duloxetine Hcl25 claims
- Levetiracetam22 claims
- Donepezil Hcl16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $2,430.56
118 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 4 group practices
- Aspirus Medical Group, Inc.Wausau, WI
- Neuromonitoring Services OF America IncAkron, OH
- The Metrohealth SystemCleveland, OH
- West Coast Neurology, IncArcadia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ken Masui Fujimura among 2,339 neurology physician records in California
Ken Masui Fujimura, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 78% of them.
- NPI issued2016 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2016 · median 2006 among the 1,628 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Arcadia → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Arthur An, M.D.Arcadia, CA 910061649293259
- Arnold Brizuela, M.D.Arcadia, CA 910061528325818
- Jesse Carr, M.D.Arcadia, CA 910061407935125
- Fatima Janjua, M.D.Arcadia, CA 910061366485203
- Janice Joo, MDArcadia, CA 910061639532187
- Lise Phan, MDArcadia, CA 910061487031100
- Adeel Popalzai, D.O.Arcadia, CA 910061558508663
- Kenneth Wogensen, MDArcadia, CA 910061932109295
Common questions
What is Ken Masui Fujimura, M.D.'s NPI number?
Ken Masui Fujimura, M.D.'s National Provider Identifier (NPI) is 1629426630, issued on May 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ken Masui Fujimura, M.D. located?
The NPPES record lists a practice address at 1015 N 1St Ave Apt A, Arcadia, CA, 91006. Phone: (626) 598-3770. Providers update this record themselves, so call before visiting.
How can I verify Ken Masui Fujimura, M.D.'s license?
NPPES lists California license number A154050, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ken Masui Fujimura, M.D. prescribe under Medicare Part D?
In 2024, Ken Masui Fujimura, M.D. had 396 Medicare Part D claims for 76 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.