DR. LAN T. NGUYEN MD
NPI 1265753040
Internal Medicine in Honolulu, HI

Q: What is Lan Nguyen's NPI number?

The NPI number for Lan Nguyen is 1265753040. It was assigned to this individual provider in the NPPES registry on June 16, 2010.

Q: What is Lan Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Lan Nguyen was last updated on July 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since June 16, 2010PECOS EnrolledAccepts Medicare Assignment

86.2/100

CMS Quality Rating

1301 PUNCHBOWL ST, HONOLULU, HI 96813(808) 366-8167(855) 437-1594 Get Directions Write a Review

NPPES record last updated: July 23, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 23, 2021, Jun 27, 2018 (2 updates tracked since 2018).

On this page

About Dr. Lan T. Nguyen Md NPPES

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

DR. LAN T. NGUYEN MD (NPI 1265753040) is an individual internal medicine provider in Honolulu, Hawaii, licensed in Hawaii (MD18631) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1265753040

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. LAN T. NGUYENCredential: MD

Location Address1301 PUNCHBOWL STHonolulu, HI 96813-2402

Mailing Address46-006 Nana PlKaneohe, HI 96744-3644 · (619) 957-4907

Phone(808) 366-8167

Fax(855) 437-1594

Sole ProprietorYes

Medical School CMSOtherGraduated 1999

Enumeration DateJune 16, 2010

Last NPPES UpdateJuly 23, 20212 updates tracked since enumeration

NPPES CertifiedJune 27, 2021

✔ NPI 1265753040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in HI · MD18631✔ Licensed in CA · A118694

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1301 PUNCHBOWL ST, Honolulu, HI 96813

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Secondary Practice Locations 2

Location 191-2141 Fort Weaver RdEwa Beach, HI 96706-1993 · Phone (808) 366-8167 · Fax (855) 437-1594

Location 246-006 Nana PlKaneohe, HI 96744-3644 · Phone (619) 957-4907

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

Dr. Lan T. Nguyen 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 ID345487435

PECOS Enrollment IDI20160908000296

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

Medicare enrollment records show Lan Nguyen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Work Well Live Well LLC

Same address

Internal Medicine

1301 PUNCHBOWL ST
Honolulu, HI 96813

Reassigned Medicare billing, Hawaii enrollment

NPI 1396315164 (808) 366-8167

Straub Clinic & Hospital

0.4 mi

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

Hawaii Permanente Medical Group Inc

4.8 mi

Health Maintenance Organization

3288 MOANALUA RD
Honolulu, HI 96819

Reassigned Medicare billing, Hawaii enrollment
1,187 clinicians in this Medicare group

NPI 1710945969 (808) 432-0000

Quantum Healthcare Medical Associates Inc.

2,614 mi

Hospitalist

400 N PEPPER AVE
Colton, CA 92324

Reassigned Medicare billing, California enrollment
338 clinicians in this Medicare group

NPI 1568490597 (909) 580-1000

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

543 services90 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

74 services67 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

57 services53 patients

Hospital Affiliations CMS Care Compare 3

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

The Queens Medical Center

Acute Care Hospitals · Honolulu, HI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number120001

Location1301 Punchbowl StHonolulu, HI 96813 · Honolulu County

Emergency services Birthing friendly

Straub Clinic And Hospital

Acute Care Hospitals · Honolulu, HI

4/5 CMS rating

OwnershipProprietary

CMS Certification Number120022

Location888 S King StreetHonolulu, HI 96813 · Honolulu County

Emergency services

Kapiolani Medical Center For Women & Children

Childrens · Honolulu, HI

OwnershipVoluntary non-profit - Private

CMS Certification Number123300

Location1319 Punahou StreetHonolulu, HI 96826 · Honolulu County

Emergency services

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

$136.68 typical visit price

range $60.53 – $180.05

Typical copayment $34.17 (range $15.13 – $45.01)

Most-billed visit code 99204

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

Quality

80.28

Promoting Interoperability

100

Improvement Activities

Cost

73.72

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

100%65 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

NISHAL BRAHMBHATT MD

Internal Medicine (Critical Care Medicine)