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Internal Medicine

Athena H. Guo, MD

Works at hospitals in Poughkeepsie, NY · New York

Summary

Dr. Athena H. Guo, MD is an internal medicine doctor at 150 Route 52, Carmel, NY 10512. Phone: (845) 228-2910. Accepts Medicare assignment. NPI 1356087043. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 150 Route 52, Carmel, NY 10512 · Directions (1 more location)
  • Phone: (845) 228‑2910
  • Medicare: Accepts Medicare assignment
  • Hospital: Vassar Brothers Medical Center
  • Group practice: Nuvance Health Medical Practice PC
  • Medical school: Touro Un Col Of Osteopathic Medicine, New York · graduated 2022 (4 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Athena H. Guo, 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 Athena H. Guo accept Medicare assignment?
Yes. Medicare's clinician data says Athena H. Guo 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.
What is Athena H. Guo's NPI number?
1356087043. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Athena H. Guo works

Medicare's Facility Affiliation Data lists Athena H. Guo 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.

  • Vassar Brothers Medical CenterPoughkeepsie, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330023

Practice locations

Addresses where Athena H. Guo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Athena H. Guo as a member of this group (CMS data updated October 2, 2026).

  • Nuvance Health Medical Practice PC595 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Carmel

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

All internal medicine doctors in Carmel →

Other clinicians in Nuvance Health Medical Practice PC

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

Clinician information

CredentialMD
Medical schoolTouro Un Col Of Osteopathic Medicine, New York
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1356087043
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians