Natalie Diaz, M.D.
NPI 1871516492ActiveIndividual· Psychiatry & Neurology, Neurology· Torrance, CA
Psychiatry & Neurology, Neurology (M.D.) with Providence Saint Johns Medical Foundation, practicing in Torrance, California. Their prescriptions cost Medicare Part D more than their services did: $603,560 for 3,438 claims, against $227,967 paid for services in 2024. Insightec,inc was the largest of 13 companies reporting payments in 2025, $945.22 in all, mostly food and beverage. Lists Providence Little Co of Mary Med Ctr San Pedro and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1871516492 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Mar 31, 2021 |
| Certified by provider | Mar 31, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A86649 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 395 |
|---|---|
| Services billed | 22,350 across 28 procedure codes |
| Paid by Medicare | $227,967 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,438 · 6,744 30-day fills |
|---|---|
| Patients | 373 |
| Total drug cost | $603,560 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Providence Saint Johns Medical FoundationSanta Monica, CA · 281 clinicians
Hospital affiliations
- Providence Little Co of Mary Med Ctr San PedroSan Pedro, CA
- Providence Little Company of Mary Med Ctr TorranceTorrance, CA
- Torrance Memorial Medical CenterTorrance, CA
Other facilities
- Providence Home Health la County SouthHome health agency · Torrance, CA
Industry payments (Open Payments)
- 2025$945.22 · 37 payments from 13 companies
- 2024$796.38 · 28 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insightec,inc | $206.78 | 3 |
| Mdd US Operations, LLC | $133.39 | 10 |
| Abbvie Inc. | $110.65 | 5 |
| Acadia Pharmaceuticals Inc | $88.70 | 3 |
| Ipsen Biopharmaceuticals, Inc | $87.78 | 3 |
What the 2025 payments were for
- Food and Beverage$929.99 · 36 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$15.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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