Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Gastroenterology

Donald N. Tsynman, MD

Works at hospitals in Greenville, NC · Nags Head, NC · North Carolina

Summary

Dr. Donald N. Tsynman, MD is a gastroenterologist at 2210 Hemby Ln, Greenville, NC 27834. Phone: (252) 551-3000. Accepts Medicare assignment. In 2024, Donald N. Tsynman had 692 Original Medicare patients and 12,093 services. NPI 1508028143. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Donald N. Tsynman, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Donald N. Tsynman accept Medicare assignment?
Yes. Medicare's clinician data says Donald N. Tsynman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Donald N. Tsynman see?
In 2024, CMS data shows 692 Original Medicare patients and 12,093 services for Donald N. Tsynman. This counts Original Medicare only and measures volume, not quality.
What is Donald N. Tsynman's NPI number?
1508028143. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Donald N. Tsynman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients692
Services billed to Medicare12,093
Different services or procedures31
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)10,677 services
  2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)391 services
  3. Biopsy of large bowel using a flexible endoscope (45380)266 services
  4. Insertion of guide wire with dilation of esophagus using a flexible endoscope (43248)199 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)187 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis47%
  • Diabetes31%
  • Ischemic heart disease26%
  • Anxiety23%

Hospitals where Donald N. Tsynman works

Medicare's Facility Affiliation Data lists Donald N. Tsynman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Donald N. Tsynman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Donald N. Tsynman as a member of this group (CMS data updated October 2, 2026).

  • Gastroenterology East PA11 clinicians in the group

Specialties

Find other Gastroenterology doctors in North Carolina →

Other gastroenterologists in Greenville

Clinicians with the same Medicare primary specialty in Greenville, NC — not a recommendation.

All gastroenterologists in Greenville →

Other clinicians in Gastroenterology East PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1508028143
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians