NPPES file of Aug 9, 2026

Masayuki Fukuzawa, NP

Nurse Practitioner · Anaheim, CA

Masayuki Fukuzawa, NP is a nurse practitioner with a practice address in Anaheim, California, and NPI 1669549424, issued on Nov 29, 2006. Check the license (California NP12826, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669549424
Name
Masayuki Fukuzawa
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
NP12826 CA
Self-reported in NPPES; status is on the state search
Practice location
441 N Lakeview Ave, Anaheim, CA 92807
Phone
(888) 988-2800
Enumerated
Nov 29, 2006
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 441 N Lakeview Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Adan Abarca, MDFamily Medicine Physician1760553689
  2. Peter Abdel Sayed, MDVascular & Interventional Radiology Physician1760553648
  3. Behnam Abdollahi, MDDermatopathology Physician1598836520
  4. Mark Abramson, MDInternal Medicine Physician1396812202
  5. Suzanne Ackley, MDNeuromusculoskeletal Medicine & OMM Physician1740351667
  6. Carol Ahmed, D.O.Family Medicine Physician1598962961

Verify Masayuki Fukuzawa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license NP12826
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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99% fewer Medicare Part D claims than the average nurse practitioner in 2024

13 Medicare Part D claims for 11 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Masayuki Fukuzawa13
  2. Specialty average1,109

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.

Masayuki Fukuzawa among 8,223 nurse practitioner records in California

Masayuki Fukuzawa, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2021 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

95 nurse practitioner records list a practice address in Anaheim

They are 95 of the 9,018 NPPES records with a practice address in Anaheim, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Donna Amezquita, NPAnaheim, CA 928071255402145
  2. Sandra Anderson, NPAnaheim, CA 928071528135381
  3. Terisa Brown-Sienko, NPAnaheim Hills, CA 928071629081138
  4. Tina Carrillo, NPAnaheim, CA 928071083781850
  5. Gretchen Devine, NPAnaheim, CA 928071538236302
  6. Mary Harris, NPAnaheim, CA 928071699842468
  7. Siulan Hsieh, NPAnaheim, CA 928071144391038
  8. Karen Jones, NPAnaheim, CA 928071992872766

Common questions

What is Masayuki Fukuzawa, NP's NPI number?

Masayuki Fukuzawa, NP's National Provider Identifier (NPI) is 1669549424, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Masayuki Fukuzawa, NP located?

The NPPES record lists a practice address at 441 N Lakeview Ave, Anaheim, CA, 92807. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.

How can I verify Masayuki Fukuzawa, NP's license?

NPPES lists California license number NP12826, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Masayuki Fukuzawa, NP prescribe under Medicare Part D?

In 2024, Masayuki Fukuzawa, NP had 13 Medicare Part D claims for 11 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.