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DR. WILLIAM BAUMGARTEN LEE M.D.
NPI 1871683920
Emergency Medicine in Honolulu, HI

Active since October 12, 2006PECOS Enrolled
86.2/100
CMS Quality Rating
888 S KING ST, HONOLULU, HI 96813(808) 522-3781(808) 522-4062 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. William Baumgarten Lee M.d. NPPES

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

DR. WILLIAM BAUMGARTEN LEE M.D. (NPI 1871683920) is an individual emergency medicine provider in Honolulu, Hawaii, licensed in Hawaii (MD-9491) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871683920
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. WILLIAM BAUMGARTEN LEECredential: M.D.
Location Address888 S KING STHonolulu, HI 96813-3009
Mailing Address1946 Young St, Suite 360Honolulu, HI 96826-2150 · (808) 973-7320 · Fax (808) 973-7325
Phone(808) 522-3781
Fax(808) 522-4062
Sole ProprietorNo
Enumeration DateOctober 12, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1871683920 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in HI · MD-9491
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
888 S KING ST, Honolulu, HI 96813
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Other Names 1

Former Name (1)Dr. William Karl Baumgarten M.d.

Other Identifiers 1

Medicare UPINF98865HI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Baumgarten Lee M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 William Lee reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Straub Clinic & Hospital
Same address
Multi-Specialty
888 S KING ST
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 664 clinicians in this Medicare group
NPI 1457306508 (808) 522-4000
Kauai Medical Clinic
108 mi
Multi-Specialty
3-3420 KUHIO HWY, SUITE B
Lihue, HI 96766
  • Reassigned Medicare billing, Hawaii enrollment
  • 298 clinicians in this Medicare group
NPI 1376596643 (808) 245-1500

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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
212 services206 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
76 services72 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
42 services42 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96813 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$92.50 typical visit price
range $60.53 – $180.05
Typical copayment $23.12 (range $15.13 – $45.01)
Most-billed visit code 99203
Established Patient
$105.65 typical visit price
range $20.09 – $147.56
Typical copayment $26.41 (range $5.02 – $36.89)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

86.2/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.28
Promoting Interoperability100
Improvement Activities40
Cost73.72

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.

MS. SYLVIA Y. TERADA NP
Nurse Practitioner
888 S KING ST, DERMATOLOGY DEPARTMENT
HONOLULU, HI 96813
Honolulu County (808) 522-4360
DR. JOSEPH R. VIERRA M.D.
Internal Medicine (Critical Care Medicine)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4000
DR. BEAU K. NAKAMOTO M.D.
Psychiatry & Neurology (Neurology)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4000
DR. JAY L. GREKIN M.D.
Dermatology
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4360
DR. TIMOTHY CHRISTOPHER LAEGER M.D.
Emergency Medicine
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-3714
SCOTT T YOKOTA
Physical Therapist
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-3496
JESSICA GREEN
Surgery (Vascular Surgery)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4469
TAMMY YAGUCHI MPT
Physical Therapist
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4602

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 William Lee's NPI number?

The NPI number for William Lee is 1871683920. It was assigned to this individual provider in the NPPES registry on October 12, 2006. The provider is also known as Dr. William Karl Baumgarten M.D..

Where is William Lee located?

William Lee practices at 888 S King St, Honolulu, HI 96813. The listed phone number is (808) 522-3781.

What is William Lee's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is William Lee enrolled in Medicare?

Yes. William Lee is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Lee reassigns Medicare benefits to 2 organizations: Straub Clinic & Hospital (Honolulu, HI) and Kauai Medical Clinic (Lihue, 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 William Lee'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 William Lee 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.