Marvin Witt, MD
Internal Medicine Physician · New York, NY
Marvin Witt, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1891892915, issued on Sep 20, 2006. Check the license (New York 1734951, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Marvin Witt
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1734951 NY
Self-reported in NPPES; status is on the state search - Practice location
- 590 Fifth Avenue, New York, NY 10036
- Phone
- (212) 582-7117
- Enumerated
- Sep 20, 2006
- Record last updated
- Oct 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (212) 484-3531
- Medicaid ID
- 01723317 NY
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 590 Fifth Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Lehey, NPPsychiatric/Mental Health Nurse Practitioner1740292499
Verify Marvin Witt 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 1734951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,879 Medicare Part D claims for 295 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 18 claims were for opioids.
Most prescribed
- Atorvastatin Calcium107 claims
- Rosuvastatin Calcium107 claims
- Amlodipine Besylate104 claims
- Albuterol Sulfate Hfa76 claims
- Metoprolol Succinate63 claims
- Lisinopril55 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.
Marvin Witt among 12,067 internal medicine physician records in New York
Marvin Witt, 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 updated2019 · 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).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Micheal Cannizzaro, M.DNew York, NY 100361588673792
- Paul Chambliss, MDNew York, NY 100361841251980
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- Rachel Cohen, MDNew York, NY 100361962726539
- Susan Gonnella, MDNew York, NY 100361013102227
- Bruce Hymanson, M.D.New York, NY 100361972563229
Common questions
What is Marvin Witt, MD's NPI number?
Marvin Witt, MD's National Provider Identifier (NPI) is 1891892915, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marvin Witt, MD located?
The NPPES record lists a practice address at 590 Fifth Avenue, New York, NY, 10036. Phone: (212) 582-7117. Providers update this record themselves, so call before visiting.
How can I verify Marvin Witt, MD's license?
NPPES lists New York license number 1734951, 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 Marvin Witt, MD prescribe under Medicare Part D?
In 2024, Marvin Witt, MD had 1,879 Medicare Part D claims for 295 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.