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Anesthesiology

Gregory P. Ross, DO

Works at hospitals in Chesterfield, MO · Missouri

Summary

Gregory P. Ross, DO (Anesthesiology) is listed by Medicare at 1 hospital in Chesterfield, MO. NPI 1326277559. 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 Gregory P. Ross, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
MaleGender (as listed)
Metro-West Anesthesia Group IncGroup practice (+1 more)

Quick answers

Which hospitals does Gregory P. Ross work at?
Medicare's official clinician data lists Gregory P. Ross at 1 hospital: St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregory P. Ross see patients?
Medicare's clinician data lists 2 practice locations, including Town And Country, MO and Saint Charles, MO. Call before your visit to confirm the address.
What is Gregory P. Ross's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Gregory P. Ross accept Medicare assignment?
Yes. Medicare's clinician data says Gregory P. Ross 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 Gregory P. Ross?
(636) 256-0320, as listed in official Medicare / NPI Registry data.
What is Gregory P. Ross's NPI number?
1326277559. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregory P. Ross works

Medicare's Facility Affiliation Data lists Gregory P. Ross 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 Gregory P. Ross is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gregory P. Ross as a member of these groups (CMS data updated 2026-10-02).

  • Metro-West Anesthesia Group Inc205 clinicians in the group
  • Mid-West Anesthesia Partners LLC52 clinicians in the group

Specialties

Find other Anesthesiology doctors in Missouri →

Other anesthesiologists in Town And Country

Clinicians with the same Medicare primary specialty in Town And Country, MO — not a recommendation.

All anesthesiologists in Town And Country →

Clinician information

CredentialDO
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326277559
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