Mark Haas, M.D.
NPI 1750330478ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Los Angeles, CA
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) in Los Angeles, California, trained at Duke University School of Medicine (class of 1982). Medicare paid $52,462 for services to 135 patients in 2024. Astrazeneca Uk Limited was the largest of 6 companies reporting payments in 2025, $80,448 in all, mostly consulting fees.
Overview
| NPI | 1750330478 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 9, 2006 |
| Last updated in NPPES | Sep 24, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | D55055 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pathology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 135 |
|---|---|
| Services billed | 2,034 across 7 procedure codes |
| Paid by Medicare | $52,462 |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Pathology |
Medical group
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA · 1,692 clinicians
Hospital affiliations
- Cedars-Sinai Medical CenterLos Angeles, CA
- Providence St. Joseph HospitalOrange, CA
- Scripps Green HospitalLa Jolla, CA
- Scripps Memorial Hospital la JollaLa Jolla, CA
- Torrance Memorial Medical CenterTorrance, CA
Industry payments (Open Payments)
- 2025$80,448 · 43 payments from 6 companies
- 2024$49,521 · 24 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Uk Limited | $33,525 | 3 |
| Argenx US, Inc. | $23,160 | 11 |
| Novartis Pharmaceuticals Corporation | $15,478 | 10 |
| Otsuka America Pharmaceutical, Inc. | $7,001 | 7 |
| Travere Therapeutics, Inc. | $1,159 | 11 |
What the 2025 payments were for
- Consulting Fee$63,943 · 8 payments
- Travel and Lodging$15,093 · 17 payments
- Food and Beverage$1,412 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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