NPPES file of Aug 9, 2026

Kapil Chatrath, MD

Internal Medicine Physician · Williamsville, NY

Kapil Chatrath, MD is an internal medicine physician with a practice address in Williamsville, New York, and NPI 1073578175, issued on Apr 20, 2006. Check the license (New York 199798-1, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073578175
Name
Kapil Chatrath
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
199798-1 NY
Self-reported in NPPES; status is on the state search
Practice location
325 Essjay RD, Williamsville, NY 14221
Phone
(716) 630-1163
Enumerated
Apr 20, 2006
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(716) 250-5912
Medicaid ID
01577086 NY
Medicare enrollment
Enrolled (PECOS I20100309000031); accepts Medicare assignment
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 325 Essjay RD

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

  1. Fatma Al Bayitee, MDFamily Medicine Physician1932747391
  2. Manju Alex, MDNephrology Physician1063613719
  3. Elizabeth Alvarado, LCSWClinical Social Worker1073253704
  4. Ralph Argen, MDRheumatology Physician1710944590
  5. Josephine Arnone, NPFamily Nurse Practitioner1437878113
  6. Alyssa Attardo, PA-CPhysician Assistant1144156613

Verify Kapil Chatrath 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 199798-1
    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

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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4.5 times the Medicare Part D claims of the average internal medicine physician in 2024

14,164 Medicare Part D claims for 980 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. 409 claims were for opioids.

  1. Kapil Chatrath14,164
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,060 claims
  2. Rosuvastatin Calcium771 claims
  3. Amlodipine Besylate739 claims
  4. Levothyroxine Sodium619 claims
  5. Metformin Hcl490 claims
  6. Lisinopril431 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: $2,622.46

146 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Kapil Chatrath$2,622.46
  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. Buffalo Medical Group, P.C.Williamsville, NY

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

Kapil Chatrath among 12,067 internal medicine physician records in New York

Kapil Chatrath, 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 fileYes · 60% of these records are
  • Graduated1984 · 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).

64 internal medicine physician records list a practice address in Williamsville

They are 64 of the 3,530 NPPES records with a practice address in Williamsville, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. George Burnett, MDWilliamsville, NY 142211679559934
  2. Jeffrey Burnett, DOWilliamsville, NY 142211346226271
  3. Lynn Cieslak, M.D.Williamsville, NY 142211518951011
  4. Peter Elkin, M.D.Williamsville, NY 142211568432656
  5. Shuman Hua, M.D.Williamsville, NY 142211245219229
  6. Bonnie McMichael, M.D.Williamsville, NY 142211881692267
  7. Larisa Meras, M.D.Buffalo, NY 142211962474262
  8. Margaret Mitchell, M.D.Williamsville, NY 142211477551331

Common questions

What is Kapil Chatrath, MD's NPI number?

Kapil Chatrath, MD's National Provider Identifier (NPI) is 1073578175, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kapil Chatrath, MD located?

The NPPES record lists a practice address at 325 Essjay RD, Williamsville, NY, 14221. Phone: (716) 630-1163. Providers update this record themselves, so call before visiting.

How can I verify Kapil Chatrath, MD's license?

NPPES lists New York license number 199798-1, 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 Kapil Chatrath, MD prescribe under Medicare Part D?

In 2024, Kapil Chatrath, MD had 14,164 Medicare Part D claims for 980 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.