DR. BENJAMIN STUART THOMAS MD, MSCI
NPI 1164658019
Internal Medicine - Infectious Disease in Honolulu, HI

Active since June 05, 2009PECOS Enrolled
90.06/100
CMS Quality Rating
88 PIIKOI ST, HONOLULU, HI 96814(808) 531-7111(808) 528-5507 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Benjamin Stuart Thomas Md, Msci NPPES

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

DR. BENJAMIN STUART THOMAS MD, MSCI (NPI 1164658019) is an individual infectious disease provider in Honolulu, Hawaii, licensed in Hawaii (MD-18023) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of Mercer University School Of Medicine (2009).

NPPES Registry Identity

NPI1164658019
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. BENJAMIN STUART THOMASCredential: MD, MSCI
Location Address88 PIIKOI STHonolulu, HI 96814-4245
Mailing Address88 Piikoi St, Oahu Medical GroupHonolulu, HI 96814-4245 · (808) 531-7111 · Fax (808) 528-5507
Fax(808) 528-5507
Sole ProprietorYes
Medical School CMSMercer University School Of MedicineGraduated 2009
Enumeration DateJune 5, 2009
Last NPPES UpdateMarch 19, 2026
NPPES CertifiedMarch 19, 2026
NPI 1164658019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses Licensed in HI · MD-18023 Licensed in MO · 2013015515
Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License 073163 (GA)
88 PIIKOI ST, Honolulu, HI 96814

Other Identifiers 1

Other131423 C5HI · Aloha Infectious Diseases

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Benjamin Stuart Thomas Md, Msci is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4981820081
PECOS Enrollment IDI20150928002379
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.

Areas of Expertise CMS Part B claims 7

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 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
653 services193 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.
279 services234 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
217 services128 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.
134 services29 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
107 services60 patients
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.
46 services28 patients

Hospital Affiliations CMS Care Compare 4

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

Hilo Medical Center

Acute Care Hospitals · Hilo, HI
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number120005
Location1190 Waianuenue AvenueHilo, HI 96720 · Hawaii County
Emergency services Birthing friendly

Adventist Health Castle

Acute Care Hospitals · Kailua, HI
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number120006
Location640 Ulukahiki StKailua, HI 96734 · Honolulu County
Emergency services Birthing friendly

Pali Momi Medical Center

Acute Care Hospitals · Aiea, HI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number120026
Location98-1079 Moanalua RoadAiea, HI 96701 · Honolulu County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96814 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.

90.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality50.22
Promoting Interoperability100
Improvement Activities40
Cost100

Reported Quality Measures

Controlling High Blood Pressure
59%133 patients3/55-star benchmark: 91%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
46%158 patients3/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
81%1,686 patients3/55-star benchmark: 100%
e-Prescribing
99%739 patients4/55-star benchmark: 100%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 58% · 386 patients
Patients screened: 64% · 386 patients
43%40 patients2/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
100%647 patients5/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
70%256 patients3/55-star benchmark: 91%
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 10

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

Family Medicine
88 PIIKOI ST, #1308
HONOLULU, HI 96814
Radiology (Diagnostic Ultrasound)
88 PIIKOI ST, APT. 2807
HONOLULU, HI 96814
Internal Medicine (Infectious Disease)
88 PIIKOI ST
HONOLULU, HI 96814
Clinic/Center (Infusion Therapy)
88 PIIKOI ST
HONOLULU, HI 96814
Internal Medicine (Infectious Disease)
88 PIIKOI ST
HONOLULU, HI 96814
Internal Medicine (Infectious Disease)
88 PIIKOI ST
HONOLULU, HI 96814
Internal Medicine (Infectious Disease)
88 PIIKOI ST
HONOLULU, HI 96814
Internal Medicine (Infectious Disease)
88 PIIKOI ST
HONOLULU, HI 96814

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 Benjamin Thomas's NPI number?

The NPI number for Benjamin Thomas is 1164658019. It was assigned to this individual provider in the NPPES registry on June 5, 2009.

Where is Benjamin Thomas located?

Benjamin Thomas practices at 88 Piikoi St, Honolulu, HI 96814. The listed phone number is (808) 531-7111.

What is Benjamin Thomas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Benjamin Thomas enrolled in Medicare?

Yes. Benjamin Thomas is registered in the Medicare PECOS enrollment system.

What insurance does Benjamin Thomas accept?

Health plans from HMSA list Benjamin Thomas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Benjamin Thomas affiliated with any hospitals?

According to CMS data, Benjamin Thomas is affiliated with The Queens Medical Center, Hilo Medical Center, Adventist Health Castle and Pali Momi Medical Center.

When was this NPI record last updated?

The NPPES record for Benjamin Thomas was last updated on March 19, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.