Quick answers
- Which hospitals does Daan Ren work at?
- Medicare's official clinician data lists Daan Ren at 3 hospitals: Mercy Hospital, Palmdale Regional Medical Center and Ridgecrest Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daan Ren see patients?
- Medicare's clinician data lists 3 practice locations, including Ridgecrest, CA and Wildomar, CA. Call before your visit to confirm the address.
- What is Daan Ren's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Daan Ren accept Medicare assignment?
- Yes. Medicare's clinician data says Daan Ren 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 Daan Ren?
- (760) 499-3899, as listed in official Medicare / NPI Registry data.
- What is Daan Ren's NPI number?
- 1851566004. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daan Ren works
Medicare's Facility Affiliation Data lists Daan Ren at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy HospitalBakersfield, CA · Acute Care Hospital · CCN 050295
- Palmdale Regional Medical CenterPalmdale, CA · Acute Care Hospital · CCN 050204
- Ridgecrest Regional HospitalRidgecrest, CA · Critical Access Hospital · CCN 051333
Practice locations
Addresses where Daan Ren is enrolled with Medicare (CMS data updated 2026-10-02).
- 1081 N China Lake BlvdRidgecrest, CA 93555 (760) 499‑3899
- 1111 N China Lake BlvdRidgecrest, CA 93555 (760) 499‑3855
- 36485 Inland Valley DrWildomar, CA 92595 (951) 677‑1111
Group practices
Medicare enrollment lists Daan Ren as a member of these groups (CMS data updated 2026-10-02).
- Ridgecrest Regional Hospital95 clinicians in the group
- Em Alliance California Apc68 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Ridgecrest
Clinicians with the same Medicare primary specialty in Ridgecrest, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851566004 |
| 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