STEVEN FRANCIS FOWLER M.D.
NPI 1164538815
Surgery in Honolulu, HI
About Steven Francis Fowler M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN FRANCIS FOWLER M.D. (NPI 1164538815) is an individual surgery provider in Honolulu, Hawaii, licensed in Hawaii (MD-12783) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Adventist Health Castle, and is a graduate of Boston University School Of Medicine (1998).
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 Francis Fowler 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 Fowler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kailua, HI 96734
- Reassigned Medicare billing, Hawaii enrollment
- 110 clinicians in this Medicare group
Hilo, HI 96720
- Reassigned Medicare billing, Hawaii enrollment
- 263 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 2
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.
Adventist Health Castle
Acute Care Hospitals · Kailua, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96817 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HONOLULU, HI 96817
HONOLULU, HI 96817
HONOLULU, HI 96817
HONOLULU, HI 96817
HONOLULU, HI 96817
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 Fowler's NPI number?
The NPI number for Steven Fowler is 1164538815. It was assigned to this individual provider in the NPPES registry on August 22, 2006.
Where is Steven Fowler located?
Steven Fowler practices at 928 Nuuanu Ave #400, Honolulu, HI 96817. The listed phone number is (808) 521-1300.
What is Steven Fowler's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Steven Fowler enrolled in Medicare?
Yes. Steven Fowler 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 Fowler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Fowler reassigns Medicare benefits to 2 organizations: Castle Medical Center (Kailua, HI) and Hilo Benioff Medical Center (Hilo, 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 Fowler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Fowler accept?
Health plans from HMSA list Steven Fowler 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 Fowler affiliated with any hospitals?
According to CMS data, Steven Fowler is affiliated with Adventist Health Castle.
When was this NPI record last updated?
The NPPES record for Steven Fowler was last updated on August 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 Francis Fowler, M.D. · NPI 1164538815
Surgery physician in Honolulu, Hawaii. Individual provider, active in the CMS NPPES registry since August 22, 2006.
## Identity
- **NPI:** 1164538815 (Entity type: Individual)
- **Enumerated:** August 22, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** MD-12783 (Hawaii)
- **Sole proprietor:** No
## Practice location
- **Address:** 928 NUUANU AVE, #400, Honolulu, HI 96817-5192
- **Phone:** (808) 521-1300 · **Fax:** (808) 521-1350
## 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): Castle Medical Center (NPI 1316937691, Kailua, HI); Hilo Benioff Medical Center (NPI 1780757856, Hilo, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** August 8, 2013
- **Other identifiers:** Medicare UPIN H54600 (HI); Other 00A0247245 (HI); Medicaid 55302502 (HI)
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Source: [NPI Profile](https://npiprofile.com/npi/1164538815) · Data from the CMS NPPES public registry.