Doctor profile · Federal record

Dr. Mark Causin, MD

General Acute Care Hospital (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Honolulu, HI

  • NPI 1881872844
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
888 S King St
Honolulu, HI 968133097
(808) 522-4000
Additional location
1165 Montgomery Dr
Santa Rosa, CA 954054801
(707) 546-3210
Mailing address
720 Kapiolani Blvd, Apt 205
Honolulu, HI 968136099

Credentials & registration

NPPES · NUCC
NPI registered
February 2008 — 18 yrs on file
Profile last updated
February 13, 2024
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
282N00000X — NUCC code
State licenses (2)
Hawaii #14915 · California #C153120

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881872844. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
50
Distinct HCPCS
3
Medicare allowed
$6,910
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 26 11 $124
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 13 $181
99239 Hospital discharge day management, more than 30 minutes 11 11 $121

In context: peer comparison

Among 1 peers in Honolulu General Acute Care Hospital, average services per provider: 16. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $17.19

By nature of payment

Food and Beverage
$17

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Causin's medical specialty?
Dr. Mark Causin practices General Acute Care Hospital in Honolulu, HI.
Where does Dr. Mark Causin practice?
Dr. Mark Causin practices at 888 S King St, Honolulu, HI 968133097. Office phone: 8085224000.
What is Dr. Mark Causin's NPI?
Dr. Mark Causin's National Provider Identifier (NPI) is 1881872844, issued by NPPES.
Does Dr. Mark Causin accept Medicare assignment?
Yes. Dr. Mark Causin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Causin commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.