1. Home
  2. Directory
  3. Hawaii
  4. Honolulu
  5. Anesthesiology
  6. NPI Profile

LORREN L LOO MD
NPI 1407868680
Anesthesiology in Honolulu, HI

Active since August 13, 2006PECOS EnrolledAccepts Medicare Assignment
1575 SOUTH BERETANIA STREET #201 #202, HONOLULU, HI 96826(808) 946-1712(808) 946-1728 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Lorren L Loo Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LORREN L LOO MD (NPI 1407868680) is an individual anesthesiology provider in Honolulu, Hawaii, licensed in Hawaii (12869) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Kapiolani Medical Center For Women & Children, and is a graduate of Medical College Of Wisconsin (2000).

NPPES Registry Identity

NPI1407868680
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameLORREN L LOOCredential: MD
Location Address1575 SOUTH BERETANIA STREET #201 #202Honolulu, HI 96826-1149
Mailing Address1575 South Beretania Street #201 #202Honolulu, HI 96826-1149 · (808) 946-1712 · Fax (808) 946-1728
Phone(808) 946-1712
Fax(808) 946-1728
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2000
Enumeration DateAugust 13, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1407868680 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in HI · 12869
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1575 SOUTH BERETANIA STREET #201 #202, Honolulu, HI 96826
Open in Google Maps ↗

Other Identifiers 4

Medicare UPINI20722
Other0000248450HI · Hmsa
Medicare ID-Type Unspecified100181HI
Medicaid55435401HI

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

Lorren L Loo 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.

PECOS PAC ID7719941392
PECOS Enrollment IDI20050216000717
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Lorren Loo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hawaii Anesthesia Group Inc
Same address
Anesthesiology
1575 SOUTH BERETANIA STREET, #201 & 202
Honolulu, HI 96826
  • Reassigned Medicare billing, Hawaii enrollment
  • 27 clinicians in this Medicare group
NPI 1548336183 (808) 946-1712
Kapiolani Medical Center For Women & Children
0.2 mi
Multi-Specialty
1319 PUNAHOU ST
Honolulu, HI 96826
  • Reassigned Medicare billing, Hawaii enrollment
  • 262 clinicians in this Medicare group
NPI 1548215692 (808) 983-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

OwnershipVoluntary non-profit - Private
CMS Certification Number123300
Location1319 Punahou StreetHonolulu, HI 96826 · Honolulu County
Emergency services

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KEITH E SUMMERS MD
Anesthesiology
1575 SOUTH BERETANIA STREET #201 #202
HONOLULU, HI 96826
Honolulu County (808) 946-1712

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 Lorren Loo's NPI number?

The NPI number for Lorren Loo is 1407868680. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Where is Lorren Loo located?

Lorren Loo practices at 1575 South Beretania Street #201 #202, Honolulu, HI 96826. The listed phone number is (808) 946-1712.

What is Lorren Loo's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Lorren Loo enrolled in Medicare?

Yes. Lorren Loo 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 Lorren Loo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lorren Loo reassigns Medicare benefits to 2 organizations: Hawaii Anesthesia Group Inc (Honolulu, HI) and Kapiolani Medical Center For Women & Children (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 Lorren Loo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Lorren Loo affiliated with any hospitals?

According to CMS data, Lorren Loo is affiliated with Kapiolani Medical Center For Women & Children.

When was this NPI record last updated?

The NPPES record for Lorren Loo 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.