Larisa Mararenko
NPI 1679662415 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larisa Mararenko is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1679662415).
Provider details
- NPI number
- 1679662415
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- 241522 (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
318 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 151 | $85 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 95 | $127 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 57 | $125 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 15 | $91 |
Typical Medicare-allowed amounts for these services range $85–$127 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 207 | 115 |
| Metoprolol Succinate | 106 | 67 |
| Losartan Potassium | 84 | 51 |
| Amlodipine Besylate | 65 | 35 |
| Apixabanbrand: Eliquis | 61 | 40 |
| Sacubitril/Valsartanbrand: Entresto | 61 | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,615 across 65 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
- 2006-10-12
- Last updated
- 2020-04-28
- Certified
- 2020-04-28
Frequently asked questions
- What is Larisa Mararenko's NPI number?
- Larisa Mararenko's National Provider Identifier (NPI) is 1679662415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larisa Mararenko's specialty?
- Larisa Mararenko is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Larisa Mararenko located?
- Larisa Mararenko's practice location on file with NPPES is 1335 Linden Blvd, Brooklyn, NY 11212-4751.
- What is Larisa Mararenko's phone number?
- The practice phone number listed in the NPPES registry for Larisa Mararenko is (718) 240-5100.
- Does Larisa Mararenko accept Medicare?
- Larisa Mararenko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larisa Mararenko's NPI active?
- Yes — Larisa Mararenko's NPI (1679662415) is active in the NPPES registry as of the last update on 2020-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.