STEVEN ROBERT WILLIAMS M.D.
NPI 1447358510
Specialist in Honolulu, HI
About Steven Robert Williams M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN ROBERT WILLIAMS M.D. (NPI 1447358510) is an individual specialist in Honolulu, Hawaii and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of Other (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Steven Robert Williams M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Steven Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Honolulu, HI 96813
- Reassigned Medicare billing, Hawaii enrollment
- 859 clinicians in this Medicare group
Honolulu, HI 96813
- Reassigned Medicare billing, Hawaii enrollment
- Medicare enrollment name: The Queens Medical Center
- 809 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The Queens Medical Center
Acute Care Hospitals · Honolulu, HIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HONOLULU, HI 96813
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Steven Williams's NPI number?
The NPI number for Steven Williams is 1447358510. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Steven Williams located?
Steven Williams practices at 1380 Lusitana St Ste 511, Honolulu, HI 96813. The listed phone number is (808) 537-3433.
What is Steven Williams's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Steven Williams enrolled in Medicare?
Yes. Steven Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Steven Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Williams reassigns Medicare benefits to 2 organizations: Queens University Medical Group (Honolulu, HI) and The Queen's Medical Center (Honolulu, HI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Williams accept?
Health plans from HMSA list Steven Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Steven Williams affiliated with any hospitals?
According to CMS data, Steven Williams is affiliated with The Queens Medical Center.
When was this NPI record last updated?
The NPPES record for Steven Williams was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Steven Robert Williams, M.D. · NPI 1447358510
Specialist provider in Honolulu, Hawaii. Individual provider, active in the CMS NPPES registry since September 20, 2006.
## Identity
- **NPI:** 1447358510 (Entity type: Individual)
- **Enumerated:** September 20, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1380 LUSITANA ST, STE 511, Honolulu, HI 96813-2441
- **Phone:** (808) 537-3433 · **Fax:** (808) 531-8884
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Queens University Medical Group (NPI 1891441382, Honolulu, HI); The Queen's Medical Center (NPI 1487693586, Honolulu, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1982
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicaid 02734503 (HI); Medicare UPIN E45253 (HI); Medicare ID-Type Unspecified 55197 (HI)
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Source: [NPI Profile](https://npiprofile.com/npi/1447358510) · Data from the CMS NPPES public registry.