Dr. Natalie Diaz, M.D.
What this data tells you about Dr. Diaz
Dr. Natalie Diaz is a neurology specialist in Torrance, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Diaz performed 13,637 Medicare services across 619 unique beneficiaries.
Between the years covered by Open Payments, Dr. Diaz received a total of $2,753 from 24 pharmaceutical and/or device companies across 107 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in neurology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Diaz is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Botox injection, per unit An injection of onabotulinumtoxinA, a medication used to temporarily relax muscles or reduce gland activity. The dose is measured in units, with this code representing a single unit administered. |
6,550 | $5 | $13 |
| Botox injection (Xeomin), per unit An injection of incobotulinumtoxin A, a botulinum toxin type A product, administered in a quantity of one unit. |
5,911 | $4 | $23 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
713 | $105 | $619 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
212 | $73 | $439 |
| Brain stimulator programming, first 15 minutes Electronic analysis of an implanted brain, spinal cord, or peripheral neurostimulator generator. This service includes programming the brain stimulator by a qualified health professional for the first 15 minutes. |
52 | $39 | $237 |
| Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle | 45 | $68 | $379 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
44 | $141 | $801 |
| New patient office visit, complex (60-74 min) | 41 | $187 | $1,050 |
| Virtual check-in for established patient A brief communication service provided by a qualified healthcare professional to an established patient via technology, such as a virtual check-in. |
38 | $11 | $67 |
| Chemical nerve block for neck muscles Injection of a chemical agent to paralyze specific muscles on the side of the neck, excluding the voice box. |
31 | $174 | $987 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2019-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Diaz is a mixed practice specialist, with above-average Medicare volume (top 8% in CA), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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