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Internal Medicine

Chao Guo, MD

Works at hospitals in Potsdam, NY · Freehold, NJ · Crossville, TN … · New York, New Jersey, Tennessee, Kentucky

Summary

Chao Guo, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Potsdam, NY, Freehold, NJ and Crossville, TN and other places. NPI 1043606486. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Chao Guo, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
MaleGender (as listed)
Kings Daughters Medical Specialties IncGroup practice (+3 more)

Quick answers

Which hospitals does Chao Guo work at?
Medicare's official clinician data lists Chao Guo at 5 hospitals: Canton-Potsdam Hospital, Centrastate Medical Center, Cumberland Medical Center, King's Daughters' Medical Center and SLHS Massena, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Chao Guo see patients?
Medicare's clinician data lists 5 practice locations, including Ashland, KY, Crossville, TN and Potsdam, NY. Call before your visit to confirm the address.
What is Chao Guo's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Chao Guo accept Medicare assignment?
Yes. Medicare's clinician data says Chao Guo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Chao Guo?
(606) 408-4000, as listed in official Medicare / NPI Registry data.
What is Chao Guo's NPI number?
1043606486. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Chao Guo works

Medicare's Facility Affiliation Data lists Chao Guo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Chao Guo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Chao Guo as a member of these groups (CMS data updated 2026-10-02).

  • Kings Daughters Medical Specialties Inc400 clinicians in the group
  • Canton-Potsdam Hospital252 clinicians in the group
  • Hospital Medicine Services of Tennessee PC162 clinicians in the group
  • NJ Acute Care Specialists Professional Corporation55 clinicians in the group

Specialties

Find other Internal Medicine doctors in Kentucky →

Other internal medicine doctors in Ashland

Clinicians with the same Medicare primary specialty in Ashland, KY — not a recommendation.

All internal medicine doctors in Ashland →

Clinician information

CredentialMD
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043606486
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians