Arthur Marush, MD
NPI 1003912809 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arthur Marush, MD is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1003912809).
Provider details
- NPI number
- 1003912809
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 145482 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
13,037 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,387 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,285 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,211 | $145 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 1,167 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 983 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 134 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 753 | 207 |
| Losartan Potassium | 578 | 158 |
| Amlodipine Besylate | 520 | 157 |
| Metoprolol Succinate | 456 | 124 |
| Metformin Hcl | 448 | 131 |
| Rosuvastatin Calcium | 381 | 111 |
| Simvastatin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$503 across 26 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
- 2006-09-16
- Last updated
- 2009-11-18
Frequently asked questions
- What is Arthur Marush's NPI number?
- Arthur Marush's National Provider Identifier (NPI) is 1003912809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arthur Marush's specialty?
- Arthur Marush is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arthur Marush located?
- Arthur Marush's practice location on file with NPPES is 2270 Kimball Street, Brooklyn, NY 11234.
- What is Arthur Marush's phone number?
- The practice phone number listed in the NPPES registry for Arthur Marush is (718) 692-2700.
- Does Arthur Marush accept Medicare?
- Arthur Marush is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arthur Marush's NPI active?
- Yes — Arthur Marush's NPI (1003912809) is active in the NPPES registry as of the last update on 2009-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.