Anna Houterman, MD
NPI 1164637435ActiveIndividual· Surgery· Laguna Hills, CA
Surgery (MD) in Laguna Hills, California, trained at University of Southern California Keck School of Medicine (class of 2002). Mostly services rather than prescriptions: Medicare paid $74,007 for 312 patients in 2024, with only 29 Part D claims. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $108.18 in all, mostly food and beverage.
Overview
| NPI | 1164637435 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 11, 2007 |
| Last updated in NPPES | May 19, 2020 |
| Certified by provider | May 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A86277 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 312 |
|---|---|
| Services billed | 544 across 14 procedure codes |
| Paid by Medicare | $74,007 |
Part D prescriptions in 2024
| Prescriptions (claims) | 29 · 32 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $183.56 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | General Surgery |
Medical group
- Regents of the University of California Los AngelesSanta Monica, CA · 84 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence Mission HospitalMission Viejo, CA
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
- 2025$108.18 · 4 payments from 2 companies
- 2024$33.45 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $79.59 | 3 |
| Tempus Ai, Inc | $28.59 | 1 |
What the 2025 payments were for
- Food and Beverage$108.18 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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