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Gastroenterology

Andrew Simmelink, MD

Works at hospitals in Mechanicsville, VA · Richmond, VA · Virginia

Summary

Dr. Andrew Simmelink, MD is a gastroenterologist at 8415 N Run Medical Dr, Mechanicsville, VA 23116. Phone: (804) 559-6194. Accepts Medicare assignment. In 2024, Andrew Simmelink had 457 Original Medicare patients and 811 services. NPI 1295120061. 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 Andrew Simmelink, 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 Andrew Simmelink accept Medicare assignment?
Yes. Medicare's clinician data says Andrew Simmelink 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 Andrew Simmelink see?
In 2024, CMS data shows 457 Original Medicare patients and 811 services for Andrew Simmelink. This counts Original Medicare only and measures volume, not quality.
What is Andrew Simmelink's NPI number?
1295120061. 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 Andrew Simmelink, 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 patients457
Services billed to Medicare811
Different services or procedures35
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)166 services
  2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)117 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)69 services
  4. Biopsy of large bowel using a flexible endoscope (45380)49 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)49 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%
  • Arthritis46%
  • Diabetes33%
  • Chronic kidney disease32%
  • Ischemic heart disease31%

Hospitals where Andrew Simmelink works

Medicare's Facility Affiliation Data lists Andrew Simmelink 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 Andrew Simmelink is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Andrew Simmelink as a member of this group (CMS data updated October 2, 2026).

  • Richmond Gastroenterology Associates, Inc.40 clinicians in the group

Specialties

Find other Gastroenterology doctors in Virginia →

Other gastroenterologists in Mechanicsville

Clinicians with the same Medicare primary specialty in Mechanicsville, VA — not a recommendation.

All gastroenterologists in Mechanicsville →

Other clinicians in Richmond Gastroenterology Associates, Inc.

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

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1295120061
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