Quick answers
- Does Arthur R. Williams Iv accept Medicare assignment?
- Yes. Medicare's clinician data says Arthur R. Williams Iv accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Arthur R. Williams Iv's NPI number?
- 1063739985. 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 Arthur R. Williams Iv is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 15; the Medicare profile lists all.
- 1016 W University Ave, Suite 219Flagstaff, AZ 86001 (215) 585‑2144
- 161 Cecil B Moore Ave, Apt 204Philadelphia, PA 19122 (215) 585‑2144
- 1638 R St NW, Suite 214Washington, DC 20009 (215) 585‑2144
- 1644 Annapolis Rd, Suite 4Odenton, MD 21113 (215) 585‑2144
- 167 Main St, Suite 401cBrattleboro, VT 05301 (215) 585‑2144
Group practices
Medicare enrollment lists Arthur R. Williams Iv as a member of this group (CMS data updated October 2, 2026).
- Ophelia Medical Group Fl PA108 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Flagstaff
Clinicians with the same Medicare primary specialty in Flagstaff, AZ — not a recommendation.
Other clinicians in Ophelia Medical Group Fl PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1063739985 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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