Judith Komatsu, N.P, L.A.C.
Adult Health Nurse Practitioner · Petaluma, CA
Judith Komatsu, N.P, L.A.C. is an adult health nurse practitioner with a practice address in Petaluma, California, and NPI 1346261005, issued on Jul 21, 2006. Check the license (California 21030, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Judith Komatsu
- Credential
- N.P, L.A.C.
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- 21030 CA
CA7924 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1179 N Mcdowell Blvd, Petaluma, CA 94954
- Phone
- (707) 559-7500
- Enumerated
- Jul 21, 2006
- Record last updated
- Jul 6, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (707) 559-7620
- Medicare enrollment
- Enrolled (PECOS I20190207000869); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,405 in California → Look up another NPI →
Also registered at 1179 N Mcdowell Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Judith Komatsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21030Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average adult health nurse practitioner in 2024
2,348 Medicare Part D claims for 271 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 118 claims were for opioids.
Most prescribed
- Atorvastatin Calcium111 claims
- Lisinopril91 claims
- Levothyroxine Sodium73 claims
- Trazodone Hcl67 claims
- Gabapentin63 claims
- Amlodipine Besylate61 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.
Bills Medicare through one group practice
- Petaluma Health Center IncPetaluma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Judith Komatsu among 1,405 adult health nurse practitioner records in California
Judith Komatsu, N.P, L.A.C. is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 82% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 31% of these records are
- Graduated2011 · median 2013 among the 441 with a school on file
- Record last updated2012 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in California
There are 1,405 adult health nurse practitioner records in California.
All 1,405 in California → Every provider in Petaluma → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Stephanie Bedolla, NP-CPetaluma, CA 949541265717565
- Leah Heinrich, NPPetaluma, CA 949541043934482
- Elizabeth Ryan, NPPetaluma, CA 949541669539805
- Melissa Wong, NPPetaluma, CA 949541790184075
- Jennifer Okonsky, RN, NP, PHDPetaluma, CA 949521306635024
- Merri Martori, NPNovato, CA 949491295948677
- Amy Schmuecker, NPNovato, CA 949451174828560
- Margaret Hanna, NURSE PRACTITIONERSan Quentin, CA 949641811447592
Common questions
What is Judith Komatsu, N.P, L.A.C.'s NPI number?
Judith Komatsu, N.P, L.A.C.'s National Provider Identifier (NPI) is 1346261005, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Judith Komatsu, N.P, L.A.C. located?
The NPPES record lists a practice address at 1179 N Mcdowell Blvd, Petaluma, CA, 94954. Phone: (707) 559-7500. Providers update this record themselves, so call before visiting.
How can I verify Judith Komatsu, N.P, L.A.C.'s license?
NPPES lists California license number 21030, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Judith Komatsu, N.P, L.A.C. prescribe under Medicare Part D?
In 2024, Judith Komatsu, N.P, L.A.C. had 2,348 Medicare Part D claims for 271 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.