Johana Maradiaga, MD
Internal Medicine Physician · Brooklyn, NY
Johana Maradiaga, MD is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1821657974, issued on Jun 12, 2019. Check the license (New York 325251, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Johana Maradiaga
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 325251 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5616 6TH Ave, Brooklyn, NY 11220
- Phone
- (718) 439-5440
- Enumerated
- Jun 12, 2019
- Record last updated
- Aug 23, 2023
- Fax
- (646) 754-7572
- Medicare enrollment
- Enrolled (PECOS I20230907000501); accepts Medicare assignment
- Entity
- Type 1 · individual
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Also registered at 5616 6TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Johana Maradiaga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 325251Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
537 Medicare Part D claims for 72 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Amlodipine Besylate43 claims
- Atorvastatin Calcium34 claims
- Rosuvastatin Calcium25 claims
- Levothyroxine Sodium24 claims
- Lisinopril22 claims
- Albuterol Sulfate Hfa14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $23.23
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Nyu Langone HospitalsNew York, NY · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Johana Maradiaga among 12,067 internal medicine physician records in New York
Johana Maradiaga, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2019 · median 2002 among the 7,221 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,497 internal medicine physician records list a practice address in Brooklyn
They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Brooklyn → Internal Medicine Physician nationwide →
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Common questions
What is Johana Maradiaga, MD's NPI number?
Johana Maradiaga, MD's National Provider Identifier (NPI) is 1821657974, issued on Jun 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Johana Maradiaga, MD located?
The NPPES record lists a practice address at 5616 6TH Ave, Brooklyn, NY, 11220. Phone: (718) 439-5440. Providers update this record themselves, so call before visiting.
How can I verify Johana Maradiaga, MD's license?
NPPES lists New York license number 325251, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Johana Maradiaga, MD prescribe under Medicare Part D?
In 2024, Johana Maradiaga, MD had 537 Medicare Part D claims for 72 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.