Mark Romoff, M.D.
NPI 1578543179 · Nephrology Physician · Van Nuys, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Romoff, M.D. is a Nephrology Physician provider in Van Nuys, CA (NPI 1578543179).
Provider details
- NPI number
- 1578543179
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G27803 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
8,606 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 986 | $139 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 932 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 790 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 632 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 409 | $16 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 334 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 122 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 573 | 170 |
| Levothyroxine Sodium | 311 | 93 |
| Amlodipine Besylate | 267 | 79 |
| Metoprolol Succinate | 215 | 66 |
| Rosuvastatin Calcium | 198 | 57 |
| Alprazolam | 176 | 56 |
| Empagliflozin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$498 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-19
- Last updated
- 2017-09-13
Frequently asked questions
- What is Mark Romoff's NPI number?
- Mark Romoff's National Provider Identifier (NPI) is 1578543179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Romoff's specialty?
- Mark Romoff is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Romoff located?
- Mark Romoff's practice location on file with NPPES is 15211 Vanowen St, Van Nuys, CA 91405-3606.
- What is Mark Romoff's phone number?
- The practice phone number listed in the NPPES registry for Mark Romoff is (818) 787-2410.
- Does Mark Romoff accept Medicare?
- Mark Romoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Romoff's NPI active?
- Yes — Mark Romoff's NPI (1578543179) is active in the NPPES registry as of the last update on 2017-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.