MARK CAUSIN MD
NPI 1881872844
General Acute Care Hospital in Honolulu, HI
About Mark Causin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK CAUSIN MD (NPI 1881872844) is an individual general acute care hospital provider in Honolulu, Hawaii and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Rosa, and is a graduate of University Of California, San Diego School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Mark Causin Md 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 Mark Causin 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
- 664 clinicians in this Medicare group
Eureka, CA 95501
- Reassigned Medicare billing, California enrollment
- 1,699 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 5
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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other 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 Mark Causin's NPI number?
The NPI number for Mark Causin is 1881872844. It was assigned to this individual provider in the NPPES registry on February 1, 2008.
Where is Mark Causin located?
Mark Causin practices at 888 S King St, Honolulu, HI 96813. The listed phone number is (808) 522-4000.
What is Mark Causin's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is Mark Causin enrolled in Medicare?
Yes. Mark Causin 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 Mark Causin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Causin reassigns Medicare benefits to 2 organizations: Straub Clinic & Hospital (Honolulu, HI) and Providence Medical Foundation (Eureka, CA). 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 Mark Causin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mark Causin was last updated on February 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mark Causin, MD · NPI 1881872844
General Acute Care Hospital provider in Honolulu, Hawaii. Individual provider, active in the CMS NPPES registry since February 1, 2008.
## Identity
- **NPI:** 1881872844 (Entity type: Individual)
- **Enumerated:** February 1, 2008
- **Primary specialty:** General Acute Care Hospital · taxonomy 282N00000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 888 S KING ST, Honolulu, HI 96813-3097
- **Phone:** (808) 522-4000
## 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): Straub Clinic & Hospital (NPI 1457306508, Honolulu, HI); Providence Medical Foundation (NPI 1649551086, Eureka, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** February 13, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1881872844) · Data from the CMS NPPES public registry.