Leslie A. Gillum, M.D.
Neurology Physician · Walnut Creek, CA
Leslie A. Gillum, M.D. is a neurology physician with a practice address in Walnut Creek, California, and NPI 1275569089, issued on Jun 23, 2006. Check the license (California A83111, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leslie A. Gillum
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A83111 CA
Self-reported in NPPES; status is on the state search - Practice location
- 575 Lennon LN Ste 152, Walnut Creek, CA 94598
- Phone
- (925) 602-7060
- Enumerated
- Jun 23, 2006
- Record last updated
- Jul 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (925) 602-7070
- Medicaid ID
- 00A831110 CA
- Medicare enrollment
- Enrolled (PECOS I20050610000453); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 575 Lennon LN Ste 152
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Algar, MDNeurology Physician1750343729
- Jasmine Bhasin, P.A.-CPhysician Assistant1841537115
- Zachary Decant, D.O.Neurology Physician1417343922
- Samuel GamskyNeurology Physician1700442399
- Aurora LeePhysician Assistant1609597186
- Kai Lee, MDNeurology Physician1720166556
Verify Leslie A. Gillum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average neurology physician in 2024
1,503 Medicare Part D claims for 233 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Gabapentin121 claims
- Levetiracetam112 claims
- Carbidopa-Levodopa97 claims
- Lamotrigine65 claims
- Memantine Hcl62 claims
- Donepezil Hcl49 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $567.32
23 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Permanente Medical Group IncOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leslie A. Gillum among 2,339 neurology physician records in California
Leslie A. Gillum, M.D. is one of 2,339 neurology 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2000 · median 2006 among the 1,628 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Walnut Creek → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Robert Algar, MDWalnut Creek, CA 945981750343729
- Zachary Decant, D.O.Walnut Creek, CA 945981417343922
- Samuel GamskyWalnut Creek, CA 945981700442399
- Kai Lee, MDWalnut Creek, CA 945981720166556
- Melissa Lehmer, MDWalnut Creek, CA 945981699922252
- Morad Nasseri, M.D.Walnut Creek, CA 945981154615565
- Caroline Perry, MDWalnut Creek, CA 945981548279821
- Belma Sadikovic, M.D.Walnut Creek, CA 945981841449543
Common questions
What is Leslie A. Gillum, M.D.'s NPI number?
Leslie A. Gillum, M.D.'s National Provider Identifier (NPI) is 1275569089, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leslie A. Gillum, M.D. located?
The NPPES record lists a practice address at 575 Lennon LN Ste 152, Walnut Creek, CA, 94598. Phone: (925) 602-7060. Providers update this record themselves, so call before visiting.
How can I verify Leslie A. Gillum, M.D.'s license?
NPPES lists California license number A83111, 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 Leslie A. Gillum, M.D. prescribe under Medicare Part D?
In 2024, Leslie A. Gillum, M.D. had 1,503 Medicare Part D claims for 233 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Leslie A. Gillum, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.