DR. MARK NICHOLAS FLANAGAN DO
NPI 1679559132
Emergency Medicine in Honolulu, HI

Active since December 16, 2005PECOS EnrolledAccepts Medicare Assignment
86.2/100
CMS Quality Rating
888 S KING ST, HONOLULU, HI 96813(808) 522-4000(808) 522-4062 Get Directions Write a Review

NPPES record last updated: January 6, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mark Nicholas Flanagan Do NPPES

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

DR. MARK NICHOLAS FLANAGAN DO (NPI 1679559132) is an individual emergency medicine provider in Honolulu, Hawaii, licensed in Hawaii (DOS-2253) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Straub Clinic And Hospital, and is a graduate of Nova Southeastern College Of Osteo Medicine (2003).

NPPES Registry Identity

NPI1679559132
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARK NICHOLAS FLANAGANCredential: DO
Location Address888 S KING STHonolulu, HI 96813-3097
Mailing AddressPo Box 740241Los Angeles, CA 90074-0241 · (808) 522-4000 · Fax (808) 522-4062
Fax(808) 522-4062
Sole ProprietorNo
Medical School CMSNova Southeastern College Of Osteo MedicineGraduated 2003
Enumeration DateDecember 16, 2005
Last NPPES UpdateJanuary 6, 2025
NPPES CertifiedJanuary 5, 2025
NPI 1679559132 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 · DOS-2253
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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Nicholas Flanagan Do 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 ID5193995603
PECOS Enrollment IDI20230126001269
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 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.
209 services203 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.
73 services71 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.
61 services61 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.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

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

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.

Nurse Practitioner
888 S KING ST, DERMATOLOGY DEPARTMENT
HONOLULU, HI 96813
Internal Medicine (Critical Care Medicine)
888 S KING ST
HONOLULU, HI 96813
Psychiatry & Neurology (Neurology)
888 S KING ST
HONOLULU, HI 96813
Dermatology
888 S KING ST
HONOLULU, HI 96813
Emergency Medicine
888 S KING ST
HONOLULU, HI 96813
Physical Therapist
888 S KING ST
HONOLULU, HI 96813
Surgery (Vascular Surgery)
888 S KING ST
HONOLULU, HI 96813
Physical Therapist
888 S KING ST
HONOLULU, HI 96813

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 Mark Flanagan's NPI number?

The NPI number for Mark Flanagan is 1679559132. It was assigned to this individual provider in the NPPES registry on December 16, 2005.

Where is Mark Flanagan located?

Mark Flanagan practices at 888 S King St, Honolulu, HI 96813. The listed phone number is (808) 522-4000.

What is Mark Flanagan's specialty?

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

Is Mark Flanagan enrolled in Medicare?

Yes. Mark Flanagan 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.

Is Mark Flanagan affiliated with any hospitals?

According to CMS data, Mark Flanagan is affiliated with Straub Clinic And Hospital.

When was this NPI record last updated?

The NPPES record for Mark Flanagan was last updated on January 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.