Johana Maradiaga, MD
NPI 1821657974 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johana Maradiaga, MD is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1821657974).
Provider details
- NPI number
- 1821657974
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 325251 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 43 | 15 |
| Atorvastatin Calcium | 34 | 16 |
| Rosuvastatin Calcium | 25 | — |
| Levothyroxine Sodium | 24 | — |
| Lisinopril | 22 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (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
- 2019-06-12
- Last updated
- 2023-08-23
- Certified
- 2023-08-23
Frequently asked questions
- What is Johana Maradiaga's NPI number?
- Johana Maradiaga's National Provider Identifier (NPI) is 1821657974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johana Maradiaga's specialty?
- Johana Maradiaga is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Johana Maradiaga located?
- Johana Maradiaga's practice location on file with NPPES is 5616 6th Ave, Brooklyn, NY 11220-3419.
- What is Johana Maradiaga's phone number?
- The practice phone number listed in the NPPES registry for Johana Maradiaga is (718) 439-5440.
- Does Johana Maradiaga accept Medicare?
- Johana Maradiaga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johana Maradiaga's NPI active?
- Yes — Johana Maradiaga's NPI (1821657974) is active in the NPPES registry as of the last update on 2023-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.