Quick answers
- Where does Philip J. Muller see patients?
- Medicare's clinician data lists 1 practice location in Sioux City, IA. Call before your visit to confirm the address.
- What is Philip J. Muller's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Philip J. Muller accept Medicare assignment?
- Yes. Medicare's clinician data says Philip J. Muller 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 Philip J. Muller?
- (712) 234-0220, as listed in official Medicare / NPI Registry data.
- What is Philip J. Muller's NPI number?
- 1891756128. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Philip J. Muller is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 4th St, Suite 501Sioux City, IA 51101 (712) 234‑0220
Group practices
Medicare enrollment lists Philip J. Muller as a member of this group (CMS data updated 2026-10-02).
- Associates for Psychiatric Services PC6 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Sioux City
Clinicians with the same Medicare primary specialty in Sioux City, IA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891756128 |
| 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
- 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