NPPES file of Aug 9, 2026

Katherine Kostakos, MD

Internal Medicine Physician · Bronx, NY

Katherine Kostakos, MD is an internal medicine physician with a practice address in Bronx, New York, and NPI 1710070933, issued on Oct 2, 2006. Check the license (New York 191727, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710070933
Name
Katherine Kostakos
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
191727 NY
Self-reported in NPPES; status is on the state search
Practice location
Mmg - Riverdale, Bronx, NY 10463
Phone
(718) 601-8205
Enumerated
Oct 2, 2006
Record last updated
Oct 17, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(718) 601-8693
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Katherine Kostakos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 191727
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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88% more Medicare Part D claims than the average internal medicine physician in 2024

5,961 Medicare Part D claims for 565 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 24 claims were for opioids.

  1. Katherine Kostakos5,961
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium448 claims
  2. Amlodipine Besylate360 claims
  3. Losartan Potassium342 claims
  4. Levothyroxine Sodium242 claims
  5. Rosuvastatin Calcium179 claims
  6. Hydrochlorothiazide170 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Katherine Kostakos among 12,067 internal medicine physician records in New York

Katherine Kostakos, 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 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2011 · 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).

960 internal medicine physician records list a practice address in Bronx

They are 960 of the 32,017 NPPES records with a practice address in Bronx, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nkwanyuo Dennis, M.D.Bronx, NY 104631245340074
  2. Roberta Donin, M.D.Bronx, NY 104631003832627
  3. Josef Fox, M.D.Bronx, NY 104631750322806
  4. Krishan Gupta, MDBronx, NY 104631043313190
  5. Jessica Halprin, MDRiverdale, NY 104631477655892
  6. Luisa Perez, MDBronx, NY 104631194719419
  7. Elena Rogova, M.D.Bronx, NY 104631396745931
  8. Henry Roman, M.D.Bronx, NY 104631639288640

Common questions

What is Katherine Kostakos, MD's NPI number?

Katherine Kostakos, MD's National Provider Identifier (NPI) is 1710070933, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Kostakos, MD located?

The NPPES record lists a practice address at Mmg - Riverdale, Bronx, NY, 10463. Phone: (718) 601-8205. Providers update this record themselves, so call before visiting.

How can I verify Katherine Kostakos, MD's license?

NPPES lists New York license number 191727, 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 Katherine Kostakos, MD prescribe under Medicare Part D?

In 2024, Katherine Kostakos, MD had 5,961 Medicare Part D claims for 565 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Katherine Kostakos, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.