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Dr. Daniel J. Adler, M.D.

Gastroenterology (Gastroenterology Physician)

  • Medicare participating

At a glance

Years since graduation
44
In the NPI registry since
2006
Medicare patients seen, 2024
302

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 1982Medical school: State University of New York at Buffalo School of Medicine
  • 2006Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Gastroenterology Physician primary
    NY license 158342

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Gastroenterology per capita by county →

Where they work

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
302
Services billed
650
Patients’ average age
75
Most frequent Medicare services, 2023
ServiceTimesPatients
Established patient office or other outpatient visit, 30-39 minutes197149
Established patient office or other outpatient visit, 20-29 minutes9671
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope8383
Diagnostic exam of large bowel using a flexible endoscope5757
Removal of polyps or growths of large bowel using an endoscope with mechanical snare4242
New patient office or other outpatient visit, 45-59 minutes4141
Biopsy of large bowel using a flexible endoscope3838
Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic3526
New patient office or other outpatient visit, 30-44 minutes3232
Destruction of internal hemorrhoids using heat2623

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 6 companies reported 21 payments worth $673 in total to this clinician.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in New York →

Other Gastroenterology clinicians in New York

Sources

NPI registry (CMS NPPES, November 2026; record last updated April 14, 2008), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1407952104. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.