NPPES file of Aug 9, 2026

Deborah J. Weiss, M.D.

Internal Medicine Physician · Smithtown, NY

Deborah J. Weiss, M.D. is an internal medicine physician with a practice address in Smithtown, New York, and NPI 1053327015, issued on Jul 31, 2006. Check the license (New York 211567-1, 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
1053327015
Name
Deborah J. Weiss
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
211567-1 NY
Self-reported in NPPES; status is on the state search
Practice location
222 E Middle Country RD Ste 330, Smithtown, NY 11787
Phone
(631) 393-1670
Enumerated
Jul 31, 2006
Record last updated
Feb 8, 2023
Fax
(631) 382-8941
Medicare enrollment
Enrolled (PECOS I20070424000448); accepts Medicare assignment
Medical or professional school
Js Weill Medical College, Cornell University, 1997
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.
Download card Updates feed

Also registered at 222 E Middle Country RD Ste 330

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

  1. Berta Kadosh, DOInternal Medicine Physician1407318256

Verify Deborah J. Weiss 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 211567-1
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

28% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,302 Medicare Part D claims for 306 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Deborah Weiss2,302
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate215 claims
  2. Rosuvastatin Calcium213 claims
  3. Atorvastatin Calcium145 claims
  4. Levothyroxine Sodium124 claims
  5. Amlodipine Besylate-Benazepril71 claims
  6. Metformin Hcl Er54 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.

Bills Medicare through one group practice

  1. North Shore-Lij Medical PCSmithtown, NY

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

Deborah J. Weiss among 12,067 internal medicine physician records in New York

Deborah J. Weiss, M.D. 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
  • Graduated1997 · 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).

36 internal medicine physician records list a practice address in Smithtown

They are 36 of the 1,907 NPPES records with a practice address in Smithtown, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Michele Becker-Hamou, MDSmithtown, NY 117871700843067
  2. Deborah Blenner, M.D.Smithtown, NY 117871366497927
  3. Dara Brener, MDSmithtown, NY 117871750362695
  4. Paul Caiati, MDSmithtown, NY 117871063407898
  5. Joseph Calandrino, M.D.Smithtown, NY 117871962400796
  6. Neena Chaudhari, M.D.Smithtown, NY 117871811932890
  7. Vasilios Kalonaros, M.D.Smithtown, NY 117871376501296
  8. Michael Kaplan, DOSmithtown, NY 117871841298593

Common questions

What is Deborah J. Weiss, M.D.'s NPI number?

Deborah J. Weiss, M.D.'s National Provider Identifier (NPI) is 1053327015, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Deborah J. Weiss, M.D. located?

The NPPES record lists a practice address at 222 E Middle Country RD Ste 330, Smithtown, NY, 11787. Phone: (631) 393-1670. Providers update this record themselves, so call before visiting.

How can I verify Deborah J. Weiss, M.D.'s license?

NPPES lists New York license number 211567-1, 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 Deborah J. Weiss, M.D. prescribe under Medicare Part D?

In 2024, Deborah J. Weiss, M.D. had 2,302 Medicare Part D claims for 306 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.