Quick answers
- Which hospitals does Richard K. Baker work at?
- Medicare's official clinician data lists Richard K. Baker at 1 hospital: Mercy Hospital Washington. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Richard K. Baker see patients?
- Medicare's clinician data lists 3 practice locations, including Chesterfield, MO, Eureka, MO and Manchester, MO. Call before your visit to confirm the address.
- What is Richard K. Baker's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Richard K. Baker accept Medicare assignment?
- Yes. Medicare's clinician data says Richard K. Baker 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 Richard K. Baker offer telehealth?
- Medicare's clinician data says Richard K. Baker offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Richard K. Baker?
- (636) 237-4200, as listed in official Medicare / NPI Registry data.
- What is Richard K. Baker's NPI number?
- 1285621847. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Richard K. Baker works
Medicare's Facility Affiliation Data lists Richard K. Baker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital WashingtonWashington, MO · Acute Care Hospital · CCN 260052
Practice locations
Addresses where Richard K. Baker is enrolled with Medicare (CMS data updated 2026-10-02).
- 15740 S Outer 40 RdChesterfield, MO 63017 (636) 237‑4200
- 20 the Legends PkwyEureka, MO 63025 (636) 549‑8509
- 409 Lafayette CtrManchester, MO 63011 (636) 707‑0764
Group practices
Medicare enrollment lists Richard K. Baker as a member of these groups (CMS data updated 2026-10-02).
- Mercy Aco Clinical Services Inc170 clinicians in the group
- Mercy East Ambulatory Services LLC105 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Chesterfield
Clinicians with the same Medicare primary specialty in Chesterfield, MO — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285621847 |
| 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