NPPES file of Aug 9, 2026

Jeri S. Masuda, RN

Registered Nurse · Napa, CA

Jeri S. Masuda, RN is a registered nurse with a practice address in Napa, California, and NPI 1003957473, issued on Feb 9, 2007. Check the license (California 284990, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1003957473
Name
Jeri S. Masuda
Credential
RN
Primary taxonomy
Registered Nurse 163W00000X
License number
284990 CA
Self-reported in NPPES; status is on the state search
Practice location
2344 Old Sonoma RD, Napa, CA 94559
Phone
(707) 253-6033
Enumerated
Feb 9, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(707) 253-4880
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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8 nearest registered nurse records → All 13,506 in California → Look up another NPI →

Also registered at 2344 Old Sonoma RD

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

  1. Maya BailinsonCase Manager/Care Coordinator1295182400
  2. Sanford Barnett, PARAMEDICParamedic1790032613
  3. Laurie Bartlett, RN PHNCase Management Registered Nurse1205982188
  4. Christina Bellfi, LVNLicensed Vocational Nurse1285755454
  5. Renata BorgomainerioRegistered Nurse1013323062
  6. Norma Carr, RNRegistered Nurse1043367881

Verify Jeri S. Masuda 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 284990    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

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Jeri S. Masuda among 13,506 registered nurse records in California

Jeri S. Masuda, RN is one of 13,506 registered nurse records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 3% of them.

  • NPI issued2007 · 3% of these records are older, 89% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

95 registered nurse records list a practice address in Napa

They are 95 of the 3,583 NPPES records with a practice address in Napa, and 13,506 registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 13,506 in California → Every provider in Napa → Registered Nurse nationwide →

The 8 registered nurse records with the nearest ZIP codes

  1. Yaiselyn Avila, RNNapa, CA 945591184857989
  2. Norma Carr, RNNapa, CA 945591043367881
  3. Kathy Kirkland, RNNapa, CA 945591912299900
  4. Colette McGeough, RN, PHNNapa, CA 945591235443466
  5. Christine McGrath, RNNapa, CA 945591215259551
  6. Felicia Rundquist, RNNapa, CA 945591609167329
  7. Dormaleen Skadal, R.N.Napa, CA 945591881958668
  8. Christine Smalley, REGISTERED NURSENapa, CA 945591649451311

Common questions

What is Jeri S. Masuda, RN's NPI number?

Jeri S. Masuda, RN's National Provider Identifier (NPI) is 1003957473, issued on Feb 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jeri S. Masuda, RN located?

The NPPES record lists a practice address at 2344 Old Sonoma RD, Napa, CA, 94559. Phone: (707) 253-6033. Providers update this record themselves, so call before visiting.

How can I verify Jeri S. Masuda, RN's license?

NPPES lists California license number 284990, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.