David Thomas Chavez, ARNP
Family Nurse Practitioner · Walnut Creek, CA
David Thomas Chavez, ARNP is a family nurse practitioner with a practice address in Walnut Creek, California, and NPI 1437715646, issued on May 13, 2019. Check the license (California 95019454, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Thomas Chavez
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 95019454 CA
A154369 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Treat Blvd Ste 160, Walnut Creek, CA 94597
- Phone
- (925) 296-9000
- Enumerated
- May 13, 2019
- Record last updated
- Dec 2, 2024
- Medicare enrollment
- Enrolled (PECOS I20230505001351); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 1450 Treat Blvd Ste 160
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Thomas Chavez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95019454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average family nurse practitioner in 2024
319 Medicare Part D claims for 206 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Albuterol Sulfate Hfa20 claims
- Atorvastatin Calcium16 claims
- Hydrocodone-Acetaminophen13 claims
- Lisinopril11 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
- John Muir Physician NetworkWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Thomas Chavez among 16,966 family nurse practitioner records in California
David Thomas Chavez, ARNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 50% of them.
- NPI issued2019 · 50% of these records are older, 44% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2018 · median 2019 among the 6,793 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 family nurse practitioner records list a practice address in Walnut Creek
They are 107 of the 6,170 NPPES records with a practice address in Walnut Creek, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Walnut Creek → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Desiree Allyn, FNP, MSNWalnut Creek, CA 945971669616587
- Holly Bennett, NP-CWalnut Creek, CA 945971922667500
- Ka Ying Chui, NPWalnut Creek, CA 945971659007060
- Darcie Ghigiarelli, FNPWalnut Creek, CA 945971164093753
- Rebecca Liskin, RN, NPWalnut Creek, CA 945971497263867
- G. McCrea, MS, ARNP, BC, FNPWalnut Creek, CA 945971609960780
- Frances Prado, FNP-CWalnut Creek, CA 945971700120631
- Bethanie Semple, FNP-CWalnut Creek, CA 945971376071803
Common questions
What is David Thomas Chavez, ARNP's NPI number?
David Thomas Chavez, ARNP's National Provider Identifier (NPI) is 1437715646, issued on May 13, 2019. An NPI identifies a provider in billing; it is not a license.
Where is David Thomas Chavez, ARNP located?
The NPPES record lists a practice address at 1450 Treat Blvd Ste 160, Walnut Creek, CA, 94597. Phone: (925) 296-9000. Providers update this record themselves, so call before visiting.
How can I verify David Thomas Chavez, ARNP's license?
NPPES lists California license number 95019454, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does David Thomas Chavez, ARNP prescribe under Medicare Part D?
In 2024, David Thomas Chavez, ARNP had 319 Medicare Part D claims for 206 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.