Mark S. Romoff, M.D.
NPI 1578543179ActiveIndividual· Internal Medicine, Nephrology· Van Nuys, CA
Internal Medicine, Nephrology (M.D.) in Van Nuys, California, trained at Medical College of Georgia School of Medicine (class of 1973). Their prescriptions cost Medicare Part D more than their services did: $853,661 for 7,422 claims, against $314,301 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 7 companies reporting payments in 2025, $276.50 in all, mostly food and beverage.
Overview
| NPI | 1578543179 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 19, 2006 |
| Last updated in NPPES | Sep 13, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G27803 | CA |
| Internal Medicine | 207R00000X | G27803 | CA |
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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 707 |
|---|---|
| Services billed | 20,494 across 82 procedure codes |
| Paid by Medicare | $314,301 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,422 · 16,457 30-day fills |
|---|---|
| Patients | 715 |
| Total drug cost | $853,661 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Medical College of Georgia School of Medicine |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA · 1,692 clinicians
Hospital affiliation
- Cedars-Sinai Medical CenterLos Angeles, CA
Other facilities
- Assisted Home CareHome health agency · Mission Hills, CA
- Concord Home HealthHome health agency · Van Nuys, CA
Industry payments (Open Payments)
- 2025$276.50 · 12 payments from 7 companies
- 2024$498.21 · 15 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $113.28 | 5 |
| Amgen Inc. | $50.70 | 2 |
| Pfizer Inc. | $26.61 | 1 |
| Novo Nordisk Inc | $25.84 | 1 |
| Novartis Pharmaceuticals Corporation | $23.38 | 1 |
What the 2025 payments were for
- Food and Beverage$238.80 · 10 payments
- Education$37.70 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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