Andrew Brian Wallach, MD
Internal Medicine Physician · New York, NY
Andrew Brian Wallach, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1619053444, issued on Oct 27, 2006. Check the license (New York 195916, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Andrew Brian Wallach
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 195916 NY
Self-reported in NPPES; status is on the state search - Practice location
- 462 1St Ave, New York, NY 10016
- Phone
- (212) 562-1666
- Enumerated
- Oct 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 562-1597
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 462 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrew Brian Wallach 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 195916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average internal medicine physician in 2024
872 Medicare Part D claims for 41 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 23 claims were for opioids.
Most prescribed
- Atorvastatin Calcium79 claims
- Omeprazole42 claims
- Ibuprofen33 claims
- Amlodipine Besylate31 claims
- Eliquis31 claims
- Hydrocortisone31 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.
Andrew Brian Wallach among 12,067 internal medicine physician records in New York
Andrew Brian Wallach, 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 updated2007 · 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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- Amy Bleyer, MDNew York, NY 100161043219421
- James Cheng, MDNew York, NY 100161811990120
- Kimberly Deore, M.D.New York, NY 100161528054038
- Joseph Devito, MDNew York, NY 100161154329514
- Jeffrey Friedman, MDNew York, NY 100161790783157
- Michael Glasser, MDNew York, NY 100161164421947
Common questions
What is Andrew Brian Wallach, MD's NPI number?
Andrew Brian Wallach, MD's National Provider Identifier (NPI) is 1619053444, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Brian Wallach, MD located?
The NPPES record lists a practice address at 462 1St Ave, New York, NY, 10016. Phone: (212) 562-1666. Providers update this record themselves, so call before visiting.
How can I verify Andrew Brian Wallach, MD's license?
NPPES lists New York license number 195916, 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 Andrew Brian Wallach, MD prescribe under Medicare Part D?
In 2024, Andrew Brian Wallach, MD had 872 Medicare Part D claims for 41 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.