Registry data as of Aug 27, 2026

Natalie Diaz, M.D.

Neurology Physician · Torrance, CA

Natalie Diaz, M.D. is a neurology physician with a practice address in Torrance, California, and NPI 1871516492, issued on Jul 25, 2006. Check the license (California A86649, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1871516492
Name
Natalie Diaz
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
A86649 CA
Self-reported in NPPES; status is on the state search
Practice location
5215 Torrance Blvd Ste 300, Torrance, CA 90503
Phone
(424) 212-5361
Enumerated
Jul 25, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 5215 Torrance Blvd Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jared Chow, PA-CPhysician Assistant1518481704
  2. Steven Dillavou, P.A.-C.Physician Assistant1003171851
  3. Jonathan Finley, FNP-BCFamily Nurse Practitioner1336752542
  4. Jian Guan, M.D.Neurological Surgery Physician1811262009
  5. Jean-Philippe LangevinNeurological Surgery Physician1902047228
  6. Lidia Lee, PA-CPhysician Assistant1740814219

Verify Natalie Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A86649
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

2.5 times the Medicare Part D claims of the average neurology physician in 2024

3,438 Medicare Part D claims for 373 beneficiaries, against an average of 1,356 among the 13,714 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Natalie Diaz3,438
  2. Specialty average1,356

Most prescribed

  1. Carbidopa-Levodopa676 claims
  2. Carbidopa-Levodopa Er506 claims
  3. Rytary152 claims
  4. Gabapentin149 claims
  5. Pramipexole Dihydrochloride135 claims
  6. Memantine Hcl111 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.

Industry payments in 2024: $796.38

28 payments, mostly food and beverage; the largest payer was Medtronic, Inc.. The 9,995 providers of this specialty with any payment received $8,603.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Natalie Diaz$796.38
  2. Specialty average$8,603.82

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Providence Saint Johns Medical FoundationSanta Monica, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Neurology Physician providers in California

There are 2,160 neurology physician records in California.

Other neurology physician records in California

  1. Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
  2. John Aalbers, M.D.San Diego, CA1942262431
  3. Puya Abbassi, D.O.San Jose, CA1831695428
  4. Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
  5. Hadi Abou El Hassan, MDLos Angeles, CA1053995720
  6. John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
  7. Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522
  8. Scott Abramson, M.D.San Leandro, CA1891873667
  9. Valerie Acevedo, D.O.Newport Beach, CA1043258502
  10. Saviour Achilike, MDTracy, CA1033506688

Common questions

What is Natalie Diaz, M.D.'s NPI number?

Natalie Diaz, M.D.'s National Provider Identifier (NPI) is 1871516492, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Natalie Diaz, M.D. located?

The NPPES record lists a practice address at 5215 Torrance Blvd Ste 300, Torrance, CA, 90503. Phone: (424) 212-5361. Providers update this record themselves, so call before visiting.

How can I verify Natalie Diaz, M.D.'s license?

NPPES lists California license number A86649, 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 Natalie Diaz, M.D. prescribe under Medicare Part D?

In 2024, Natalie Diaz, M.D. had 3,438 Medicare Part D claims for 373 beneficiaries; the average among neurology physician prescribers was 1,356. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.