NPPES file of Aug 9, 2026

Kowshik Sen, DO

Internal Medicine Physician · Valhalla, NY

Kowshik Sen, DO is an internal medicine physician with a practice address in Valhalla, New York, and NPI 1356839666, issued on Apr 23, 2018. Check the license 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
1356839666
Name
Kowshik Sen
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
OS17860 FL
Self-reported in NPPES; status is on the state search
Practice location
100 Woods RD, Valhalla, NY 10595
Phone
(914) 493-7000
Enumerated
Apr 23, 2018
Record last updated
Sep 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20240918003159); accepts Medicare assignment
Medical or professional school
Touro Un Col Of Osteopathic Medicine, New York, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 100 Woods RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marie Abate, PA-CPhysician Assistant1285225524
  2. Shaimaa AbdallahStudent in an Organized Health Care Education/Training Program1215616321
  3. Omar Abdelkader, MDStudent in an Organized Health Care Education/Training Program1790571099
  4. Magdi Abdelrahman, MBBSStudent in an Organized Health Care Education/Training Program1669925178
  5. Ruba Abdul WahedStudent in an Organized Health Care Education/Training Program1821626011
  6. Ammar AbdulfattahStudent in an Organized Health Care Education/Training Program1982345740

Verify Kowshik Sen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

327 Medicare Part D claims for 153 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 26 claims were for opioids.

  1. Kowshik Sen327
  2. Specialty average3,176

Most prescribed

  1. Eliquis18 claims
  2. Oxycodone-Acetaminophen17 claims
  3. Furosemide15 claims
  4. Doxycycline Hyclate12 claims
  5. Metoprolol Tartrate12 claims
  6. Metoprolol Succinate11 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 MIPS final score for 2023 (Medicare payment program): 94.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score77.0
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $53.51

2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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.

  1. Kowshik Sen$53.51
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. North Shore-Lij Medical PCNew Hyde Park, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kowshik Sen among 12,067 internal medicine physician records in New York

Kowshik Sen, DO 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 2018, is newer than 82% of them.

  • NPI issued2018 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2018 · median 2002 among the 7,221 with a school on file
  • Record last updated2021 · 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).

68 internal medicine physician records list a practice address in Valhalla

They are 68 of the 2,105 NPPES records with a practice address in Valhalla, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ronald Cho, MDValhalla, NY 105951457388977
  2. Rosemarie Conigliaro, MDValhalla, NY 105951538170717
  3. Mitchell Fenster, M.D.Valhalla, NY 105951548378573
  4. Melissa Gennarelli, M.D.Valhalla, NY 105951871557249
  5. Randy Goldberg, MDValhalla, NY 105951154329936
  6. Gary Guo, MDValhalla, NY 105951932129582
  7. Andrew Gutwein, MDValhalla, NY 105951801816483
  8. Wei-Nchih Lee, MDValhalla, NY 105951750301305

Common questions

What is Kowshik Sen, DO's NPI number?

Kowshik Sen, DO's National Provider Identifier (NPI) is 1356839666, issued on Apr 23, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Kowshik Sen, DO located?

The NPPES record lists a practice address at 100 Woods RD, Valhalla, NY, 10595. Phone: (914) 493-7000. Providers update this record themselves, so call before visiting.

How can I verify Kowshik Sen, DO's license?

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 Kowshik Sen, DO prescribe under Medicare Part D?

In 2024, Kowshik Sen, DO had 327 Medicare Part D claims for 153 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Kowshik Sen, DO's MIPS final score?

The 2023 MIPS final score is 94.9 of 100. 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.