Quick answers
- Does William H. Hart Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William H. Hart Jr. 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 William H. Hart Jr.'s NPI number?
- 1437587789. 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 William H. Hart Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1537 NW 37th StOklahoma City, OK 73118 (405) 818‑6454
- 4200 Perimeter Ctr Dr, Suite 245Oklahoma City, OK 73112 (405) 437‑0014
Group practices
Medicare enrollment lists William H. Hart Jr. as a member of this group (CMS data updated October 2, 2026).
- D Hammond and Associates PLLC3 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Oklahoma City
Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.
Other clinicians in D Hammond and Associates PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1437587789 |
| 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