Mark Barats, M.D.
NPI 1720134695ActiveIndividual· Internal Medicine, Nephrology· West Hollywood, CA
Internal Medicine, Nephrology (M.D.) with Mark Barats MD A Professional Corporation, practicing in West Hollywood, California. Their prescriptions cost Medicare Part D more than their services did: $14,832,509 for 59,388 claims, against $912,230 paid for services in 2024. Amgen Inc. was the largest of 29 companies reporting payments in 2025, $3,601 in all, mostly food and beverage. Lists Cedars-Sinai Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1720134695 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 25, 2007 |
| Last updated in NPPES | May 5, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A56228 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 731 |
|---|---|
| Services billed | 28,820 across 77 procedure codes |
| Paid by Medicare | $912,230 |
Part D prescriptions in 2024
| Prescriptions (claims) | 59,388 · 62,899 30-day fills |
|---|---|
| Patients | 716 |
| Total drug cost | $14,832,509 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Mark Barats MD A Professional CorporationWest Hollywood, CA · 2 clinicians
Hospital affiliations
- Cedars-Sinai Medical CenterLos Angeles, CA
- Providence Cedars Sinai Tarzana Medical CenterTarzana, CA
Other facilities
- Angels on Earth Health Care Services, Inc.Home health agency · Pasadena, CA
- G.S.A. Home Health Care, IncHome health agency · Burbank, CA
- Helping Hands Home Health Best Care, IncHome health agency · Van Nuys, CA
- Orange Home Health, Inc.Home health agency · Van Nuys, CA
- Perfect Touch Home Health Care, IncHome health agency · Los Angeles, CA
Industry payments (Open Payments)
- 2025$3,601 · 174 payments from 29 companies
- 2024$4,556 · 259 payments from 36 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $636.51 | 47 |
| Ardelyx, Inc. | $416.62 | 14 |
| Abbvie Inc. | $332.89 | 15 |
| Lilly USA, LLC | $248.97 | 9 |
| Eisai Inc. | $237.42 | 9 |
What the 2025 payments were for
- Food and Beverage$3,601 · 174 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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