Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Robert J. Grumbo, MD

Works at hospitals in Columbus, TX · Texas

Summary

Robert J. Grumbo, MD (Family Practice) is listed by Medicare at 1 hospital in Columbus, TX. NPI 1245495183. 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 Robert J. Grumbo, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
18Years since medical school (graduated 2008)
MaleGender (as listed)
Concord Medical Group of Texas PLLCGroup practice

Quick answers

Which hospitals does Robert J. Grumbo work at?
Medicare's official clinician data lists Robert J. Grumbo at 1 hospital: Columbus Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Robert J. Grumbo see patients?
Medicare's clinician data lists 1 practice location in Llano, TX. Call before your visit to confirm the address.
What is Robert J. Grumbo's specialty?
Medicare lists Family Practice as the primary specialty, and also Emergency Medicine.
Does Robert J. Grumbo accept Medicare assignment?
Yes. Medicare's clinician data says Robert J. Grumbo 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 Robert J. Grumbo?
(325) 247-5040, as listed in official Medicare / NPI Registry data.
What is Robert J. Grumbo's NPI number?
1245495183. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Robert J. Grumbo works

Medicare's Facility Affiliation Data lists Robert J. Grumbo 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 Robert J. Grumbo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Robert J. Grumbo as a member of this group (CMS data updated 2026-10-02).

  • Concord Medical Group of Texas PLLC321 clinicians in the group

Specialties

Find other Family Practice doctors in Texas →

Other family doctors in Llano

Clinicians with the same Medicare primary specialty in Llano, TX — not a recommendation.

All family doctors in Llano →

Clinician information

CredentialMD
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245495183
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