Doctor profile · Federal record

Dr. Sandra Loo

Internal Medicine Physician (CMS: Hospitalist) · Honolulu, HI

  • NPI 1851453948
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1301 Punchbowl St
Honolulu, HI 968132402
(808) 538-9011
Mailing address
Po Box 29640
Honolulu, HI 968202040

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Idaho #MD12870

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851453948. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
192
Distinct HCPCS
4
Medicare allowed
$17,054
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 77 32 $79
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 61 28 $120
99238 Hospital discharge day management, 30 minutes or less 28 28 $81
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 13 $51

In context: peer comparison

Among 114 peers in this city , average services per provider: 127. This provider delivers 1.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sandra Loo's medical specialty?
Dr. Sandra Loo practices Internal Medicine Physician in Honolulu, HI.
Where does Dr. Sandra Loo practice?
Dr. Sandra Loo practices at 1301 Punchbowl St, Honolulu, HI 968132402. Office phone: 8085389011.
What is Dr. Sandra Loo's NPI?
Dr. Sandra Loo's National Provider Identifier (NPI) is 1851453948, issued by NPPES.
Does Dr. Sandra Loo accept Medicare assignment?
Yes. Dr. Sandra Loo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sandra Loo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.