David Reuben Musher, MD
Gastroenterology Physician · New York, NY
David Reuben Musher, MD is a gastroenterology physician with a practice address in New York, New York, and NPI 1104800218, issued on Dec 1, 2005. Check the license (New York 104154, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- David Reuben Musher
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 104154 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1158 5TH Ave, New York, NY 10029
- Phone
- (212) 410-0004
- Enumerated
- Dec 1, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 534-8539
- Medicaid ID
- 180992 NY
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 1158 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Reuben Musher 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 104154Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average gastroenterology physician in 2024
33 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
David Reuben Musher among 1,797 gastroenterology physician records in New York
David Reuben Musher, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2007 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in New York → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Efsevia Albanis, MDNew York, NY 100291346268174
- Charissa Chang, MDNew York, NY 100291649299686
- Lawrence Cohen, M.D.New York, NY 100291023010956
- Scott Friedman, MDNew York, NY 100291184656209
- Steven Itzkowitz, MDNew York, NY 100291568499036
- Michelle Kim, MDNew York, NY 100291851319651
- Eric Lemmer, MDNew York, NY 100291760412274
- Patricia Lopez, MDNew York, NY 100291275551004
Common questions
What is David Reuben Musher, MD's NPI number?
David Reuben Musher, MD's National Provider Identifier (NPI) is 1104800218, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David Reuben Musher, MD located?
The NPPES record lists a practice address at 1158 5TH Ave, New York, NY, 10029. Phone: (212) 410-0004. Providers update this record themselves, so call before visiting.
How can I verify David Reuben Musher, MD's license?
NPPES lists New York license number 104154, 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 David Reuben Musher, MD prescribe under Medicare Part D?
In 2024, David Reuben Musher, MD had 33 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. 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.