Brian A. Lentz, MD, MS
Emergency Medicine Physician · Walnut Creek, CA
Brian A. Lentz, MD, MS is an emergency medicine physician with a practice address in Walnut Creek, California, and NPI 1710421284, issued on Dec 18, 2016. Check the license (California A176753, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brian A. Lentz
- Credential
- MD, MS
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A176753 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Ygnacio Valley RD, Walnut Creek, CA 94598
- Phone
- (925) 939-3000
- Enumerated
- Dec 18, 2016
- Record last updated
- Sep 29, 2023
- Medicare enrollment
- Enrolled (PECOS I20230919002107); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1601 Ygnacio Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brian A. Lentz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A176753Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average emergency medicine physician in 2024
252 Medicare Part D claims for 174 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 19 claims were for opioids.
Most prescribed
- Cephalexin34 claims
- Doxycycline Monohydrate22 claims
- Ondansetron Odt20 claims
- Famotidine18 claims
- Amoxicillin-Clavulanate Potass15 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 2 group practices
- Cep America - CaliforniaConcord, CA
- Permanente Medical Group IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian A. Lentz among 7,751 emergency medicine physician records in California
Brian A. Lentz, MD, MS is one of 7,751 emergency 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 2016, is newer than 75% of them.
- NPI issued2016 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2019 · median 2011 among the 4,560 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
95 emergency medicine physician records list a practice address in Walnut Creek
They are 95 of the 6,170 NPPES records with a practice address in Walnut Creek, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Walnut Creek → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Birdsall, M.D.Walnut Creek, CA 945981164445615
- Daniel Buhler, M.D.Walnut Creek, CA 945981710908983
- Timothy Drazek, M.D.Walnut Creek, CA 945981336155795
- Paul Freitas, M.D.Walnut Creek, CA 945981558385641
- Alice Hunter, M.D.Walnut Creek, CA 945981023032125
- Malcolm Johnson, MDWalnut Creek, CA 945981003830316
- Andrew Kives, M.D.Walnut Creek, CA 945981972524007
- Theodore Kloth, M.D.Walnut Creek, CA 945981043234065
Common questions
What is Brian A. Lentz, MD, MS's NPI number?
Brian A. Lentz, MD, MS's National Provider Identifier (NPI) is 1710421284, issued on Dec 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Brian A. Lentz, MD, MS located?
The NPPES record lists a practice address at 1601 Ygnacio Valley RD, Walnut Creek, CA, 94598. Phone: (925) 939-3000. Providers update this record themselves, so call before visiting.
How can I verify Brian A. Lentz, MD, MS's license?
NPPES lists California license number A176753, 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 Brian A. Lentz, MD, MS prescribe under Medicare Part D?
In 2024, Brian A. Lentz, MD, MS had 252 Medicare Part D claims for 174 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.