William Zarowitz, M.D.
Internal Medicine Physician · White Plains, NY
William Zarowitz, M.D. is an internal medicine physician with a practice address in White Plains, New York, and NPI 1831161819, issued on Feb 3, 2006. Check the license (New York 140384, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Zarowitz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 140384 NY
Self-reported in NPPES; status is on the state search - Practice location
- 143 Maple Ave, White Plains, NY 10601
- Phone
- (914) 683-0443
- Enumerated
- Feb 3, 2006
- Record last updated
- Oct 20, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (914) 683-8620
- Medicaid ID
- 00672940 NY
- Medicare enrollment
- Enrolled (PECOS I20100902000019); may accept Medicare assignment
- Medical or professional school
- New York Medical College, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 143 Maple Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shari Glickstein, M.D.Internal Medicine Physician1083686299
Verify William Zarowitz 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 140384Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average internal medicine physician in 2024
5,179 Medicare Part D claims for 542 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium399 claims
- Rosuvastatin Calcium284 claims
- Amlodipine Besylate247 claims
- Losartan Potassium215 claims
- Levothyroxine Sodium193 claims
- Metoprolol Succinate177 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): 99.2 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Select PT, OT And Slp Rehabilitation NY, PLLCHudson, NY
- White Plains Physician Services PCWhite Plains, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Zarowitz among 12,067 internal medicine physician records in New York
William Zarowitz, 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
- Graduated1978 · median 2002 among the 7,221 with a school on file
- Record last updated2014 · 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).
110 internal medicine physician records list a practice address in White Plains
They are 110 of the 4,065 NPPES records with a practice address in White Plains, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in White Plains → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Roy Gadioma, M.D.White Plains, NY 106011578563466
- Raffaele Garofalo, M.D.White Plains, NY 106011528068434
- Shari Glickstein, M.D.White Plains, NY 106011083686299
- Shikha Goyal, MDWhite Plains, NY 106011336185594
- Annamma John, M.D.White Plains, NY 106011144220989
- Richard Lask, M.D.White Plains, NY 106011194797753
Common questions
What is William Zarowitz, M.D.'s NPI number?
William Zarowitz, M.D.'s National Provider Identifier (NPI) is 1831161819, issued on Feb 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Zarowitz, M.D. located?
The NPPES record lists a practice address at 143 Maple Ave, White Plains, NY, 10601. Phone: (914) 683-0443. Providers update this record themselves, so call before visiting.
How can I verify William Zarowitz, M.D.'s license?
NPPES lists New York license number 140384, 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 William Zarowitz, M.D. prescribe under Medicare Part D?
In 2024, William Zarowitz, M.D. had 5,179 Medicare Part D claims for 542 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William Zarowitz, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.2 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.