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Gastroenterology

Alexandra M. Gutierrez, MD

Works at hospitals in Saint Louis, MO · New York, NY · Missouri, New York

Summary

Dr. Alexandra M. Gutierrez, MD is a gastroenterologist at 622 W 168th St, New York, NY 10032. Phone: (646) 317-7111. Accepts Medicare assignment. In 2024, Alexandra M. Gutierrez had 74 Original Medicare patients and 153 services. NPI 1013981737. 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 Alexandra M. Gutierrez, 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 Alexandra M. Gutierrez accept Medicare assignment?
Yes. Medicare's clinician data says Alexandra M. Gutierrez 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 Alexandra M. Gutierrez see?
In 2024, CMS data shows 74 Original Medicare patients and 153 services for Alexandra M. Gutierrez. This counts Original Medicare only and measures volume, not quality.
What is Alexandra M. Gutierrez's NPI number?
1013981737. 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 Alexandra M. Gutierrez, 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 patients74
Services billed to Medicare153
Different services or procedures22
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)42 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)13 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)11 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%
  • Arthritis49%
  • Diabetes46%
  • Ischemic heart disease45%
  • Depression34%

Hospitals where Alexandra M. Gutierrez works

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

Group practices

Medicare enrollment lists Alexandra M. Gutierrez as a member of this group (CMS data updated October 2, 2026).

  • Trustees of Columbia University in the City of New York2,296 clinicians in the group

Specialties

Find other Gastroenterology doctors in New York →

Other gastroenterologists in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All gastroenterologists in New York →

Other clinicians in Trustees of Columbia University in the City of New York

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

Clinician information

CredentialMD
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1013981737
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