Quick answers
- Which hospitals does Daniel Maestas work at?
- Medicare's official clinician data lists Daniel Maestas at 5 hospitals: Barnes Jewish Hospital, Barnes-Jewish West County Hospital, Christian Hospital Northeast, Mercy Hospital St Louis and Missouri Baptist Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel Maestas see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Louis, MO. Call before your visit to confirm the address.
- What is Daniel Maestas's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Daniel Maestas accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel Maestas 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.
- Does Daniel Maestas offer telehealth?
- Medicare's clinician data says Daniel Maestas offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Daniel Maestas?
- (314) 996-5900, as listed in official Medicare / NPI Registry data.
- What is Daniel Maestas's NPI number?
- 1407823511. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel Maestas works
Medicare's Facility Affiliation Data lists Daniel Maestas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · CCN 260032
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · CCN 260162
- Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · CCN 260180
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
Practice locations
Addresses where Daniel Maestas is enrolled with Medicare (CMS data updated 2026-10-02).
- 7212 Balson AveSaint Louis, MO 63130
- 8888 Ladue Rd, Suite 210Saint Louis, MO 63124 (314) 996‑5900
Group practices
Medicare enrollment lists Daniel Maestas as a member of these groups (CMS data updated 2026-10-02).
- Physician Groups LC521 clinicians in the group
- Aging Well Health Care, LLC238 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1407823511 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians