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Gastroenterology

Nasim Ahmed, MD

Works at hospitals in Orlando, FL · Ocoee, FL · Florida

Summary

Dr. Nasim Ahmed, MD is a gastroenterologist at 7328 Stonerock Cir, Orlando, FL 32819. Phone: (407) 345-7990. Accepts Medicare assignment. In 2024, Nasim Ahmed had 207 Original Medicare patients and 448 services. NPI 1194701193. 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 Nasim Ahmed, 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 Nasim Ahmed accept Medicare assignment?
Yes. Medicare's clinician data says Nasim Ahmed 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 Nasim Ahmed see?
In 2024, CMS data shows 207 Original Medicare patients and 448 services for Nasim Ahmed. This counts Original Medicare only and measures volume, not quality.
What is Nasim Ahmed's NPI number?
1194701193. 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 Nasim Ahmed, 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 patients207
Services billed to Medicare448
Different services or procedures12
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)290 services
  2. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)41 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)40 services
  4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)34 services
  5. Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (G0121)21 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%
  • Arthritis48%
  • Ischemic heart disease38%
  • Diabetes32%
  • Chronic kidney disease24%

Hospitals where Nasim Ahmed works

Medicare's Facility Affiliation Data lists Nasim Ahmed 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.

  • AdventHealth OrlandoOrlando, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100007
  • Orlando HealthOrlando, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100006
  • Orlando Health-Health Central HospitalOcoee, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100030

Practice locations

Addresses where Nasim Ahmed is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Gastroenterology doctors in Florida →

Other gastroenterologists in Orlando

Clinicians with the same Medicare primary specialty in Orlando, FL — not a recommendation.

All gastroenterologists in Orlando →

Clinician information

CredentialMD
Graduation year1970 (56 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194701193
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