Leslie Gillum, M.D.
NPI 1275569089 · Neurology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leslie Gillum, M.D. is a Neurology Physician provider in Walnut Creek, CA (NPI 1275569089).
Provider details
- NPI number
- 1275569089
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A83111 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
846 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 291 | $163 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 142 | $226 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 91 | $131 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 57 | $93 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 49 | $68 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 121 | 37 |
| Levetiracetam | 112 | 27 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 97 | 27 |
| Lamotrigine | 65 | 14 |
| Memantine Hcl | 62 | 14 |
| Donepezil Hcl | 49 | 15 |
| Escitalopram Oxalate | 47 | 15 |
| Duloxetine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$567 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-23
- Last updated
- 2021-07-13
- Certified
- 2021-07-13
Frequently asked questions
- What is Leslie Gillum's NPI number?
- Leslie Gillum's National Provider Identifier (NPI) is 1275569089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Gillum's specialty?
- Leslie Gillum is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Leslie Gillum located?
- Leslie Gillum's practice location on file with NPPES is 575 Lennon Ln Ste 152, Walnut Creek, CA 94598-2443.
- What is Leslie Gillum's phone number?
- The practice phone number listed in the NPPES registry for Leslie Gillum is (925) 602-7060.
- Does Leslie Gillum accept Medicare?
- Leslie Gillum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leslie Gillum's NPI active?
- Yes — Leslie Gillum's NPI (1275569089) is active in the NPPES registry as of the last update on 2021-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.