Kimberly Butler, M.D.
Family Medicine Physician · Martinez, CA
Kimberly Butler, M.D. is a family medicine physician with a practice address in Martinez, California, and NPI 1164851937, issued on Nov 2, 2013. Check the license (California A128284, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kimberly Butler
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A128284 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Alhambra Ave, Martinez, CA 94553
- Phone
- (925) 370-5045
- Enumerated
- Nov 2, 2013
- Record last updated
- Oct 15, 2024
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2500 Alhambra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kimberly Butler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A128284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average family medicine physician in 2024
2,203 Medicare Part D claims for 300 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 52 claims were for opioids.
Most prescribed
- Atorvastatin Calcium186 claims
- Amlodipine Besylate127 claims
- Gabapentin85 claims
- Lisinopril76 claims
- Metoprolol Succinate76 claims
- Famotidine55 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.
Kimberly Butler among 17,133 family medicine physician records in California
Kimberly Butler, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 68% of them.
- NPI issued2013 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
191 family medicine physician records list a practice address in Martinez
They are 191 of the 1,816 NPPES records with a practice address in Martinez, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Martinez → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Melodie Armstrong, MDMartinez, CA 945531093821779
- Philipp Bannwart, M.D.Martinez, CA 945531194828491
- Fred Beck, MDMartinez, CA 945531447348891
- Kenneth Brooks, MDMartinez, CA 945531528009685
- Scott Carter, M.D.Martinez, CA 945531306820980
- Christopher Farnitano, MDMartinez, CA 945531770673832
- David Hearst, MDMartinez, CA 945531770670531
- Stephen Kalkstein, MDMartinez, CA 945531356438113
Common questions
What is Kimberly Butler, M.D.'s NPI number?
Kimberly Butler, M.D.'s National Provider Identifier (NPI) is 1164851937, issued on Nov 2, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Kimberly Butler, M.D. located?
The NPPES record lists a practice address at 2500 Alhambra Ave, Martinez, CA, 94553. Phone: (925) 370-5045. Providers update this record themselves, so call before visiting.
How can I verify Kimberly Butler, M.D.'s license?
NPPES lists California license number A128284, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kimberly Butler, M.D. prescribe under Medicare Part D?
In 2024, Kimberly Butler, M.D. had 2,203 Medicare Part D claims for 300 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.