Tracy Butler
Nurse Practitioner · San Mateo, CA
Tracy Butler is a nurse practitioner with a practice address in San Mateo, California, and NPI 1457407199, issued on Jan 26, 2007. Check the license (California RN359302, 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.
- Name
- Tracy Butler
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN359302 CA
Self-reported in NPPES; status is on the state search - Practice location
- 222 W 39TH Ave, San Mateo, CA 94403
- Phone
- (650) 573-2222
- Enumerated
- Jan 26, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- RN359302 CA
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
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Verify Tracy Butler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RN359302Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Tracy Butler among 8,223 nurse practitioner records in California
Tracy Butler 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 not. Its NPI, issued in 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 73% newer
- In a Medicare fileNo · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2007 · 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).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,223 in California → Every provider in San Mateo → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Stacey Adelson, NPSan Mateo, CA 944031104951797
- Faina Birman, NPSan Mateo, CA 944031730242249
- Barbara Brodie, NPSan Mateo, CA 944031124192893
- Nancy Chiao-CastleSan Mateo, CA 944031578619052
- Maria Cruz, NPSan Mateo, CA 944031861568768
- Maia DehlingerSan Mateo, CA 944031285706390
- Wendee Duhon, NPSan Mateo, CA 944031134299605
- Frances EplerSan Mateo, CA 944031609922186
Common questions
What is Tracy Butler's NPI number?
Tracy Butler's National Provider Identifier (NPI) is 1457407199, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tracy Butler located?
The NPPES record lists a practice address at 222 W 39TH Ave, San Mateo, CA, 94403. Phone: (650) 573-2222. Providers update this record themselves, so call before visiting.
How can I verify Tracy Butler's license?
NPPES lists California license number RN359302, 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.
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.