Olivia Yambem, M.D.
NPI 1972859080ActiveIndividual· Psychiatry & Neurology, Neurology· Lake Havasu City, AZ
Psychiatry & Neurology, Neurology (M.D.) with Hrmc, LLC, practicing in Lake Havasu City, Arizona. Their prescriptions cost Medicare Part D more than their services did: $683,779 for 2,806 claims, against $104,782 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $735.38 in all, mostly food and beverage. Lists Havasu Regional Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1972859080 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 26, 2012 |
| Last updated in NPPES | Jun 4, 2026 |
| Certified by provider | Jun 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 55485 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 370 |
|---|---|
| Services billed | 7,685 across 17 procedure codes |
| Paid by Medicare | $104,782 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,806 · 5,728 30-day fills |
|---|---|
| Patients | 455 |
| Total drug cost | $683,779 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Hrmc, LLCLake Havasu City, AZ · 34 clinicians
Hospital affiliations
- Havasu Regional Medical CenterLake Havasu City, AZ
- Kingman Regional Medical CenterKingman, AZ
- Valley View Medical CenterFort Mohave, AZ
Other facilities
- Foundation Home Health, LLCHome health agency · Lake Havasu City, AZ
Industry payments (Open Payments)
- 2025$735.38 · 36 payments from 12 companies
- 2024$468.71 · 28 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $148.55 | 10 |
| Biogen, Inc. | $144.34 | 8 |
| Pfizer Inc. | $101.61 | 4 |
| Lundbeck LLC | $86.89 | 3 |
| Alexion Pharmaceuticals, Inc. | $53.89 | 2 |
What the 2025 payments were for
- Food and Beverage$705.38 · 34 payments
- Education$30.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Lake Havasu City
- 1063849388
- 1942606843
- 1962660134
All Psychiatry & Neurology, Neurology providers in Arizona →