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MARK WILLIAM BAKER MD
NPI 1861547945
Emergency Medicine in Aiea, HI

Active since January 25, 2007PECOS Enrolled
98-1079 MOANALUA RD, AIEA, HI 96701(330) 493-4443(330) 493-8677 Get Directions Write a Review

NPPES record last updated: November 19, 2010. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Mark William Baker Md NPPES

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

MARK WILLIAM BAKER MD (NPI 1861547945) is an individual emergency medicine provider in Aiea, Hawaii, licensed in Hawaii (MD6652) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861547945
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMARK WILLIAM BAKERCredential: MD
Location Address98-1079 MOANALUA RDAiea, HI 96701-4713
Mailing Address4535 Dressler Rd NwCanton, OH 44718-2545 · (330) 493-4443 · Fax (330) 493-8677
Phone(330) 493-4443
Fax(330) 493-8677
Sole ProprietorNo
Enumeration DateJanuary 25, 2007
Last NPPES UpdateNovember 19, 2010
✔ NPI 1861547945 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 · MD6652
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.
98-1079 MOANALUA RD, Aiea, HI 96701
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Other Names 1

Former Name (1)William Mark Baker

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.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)

Mark William Baker Md 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.

Areas of Expertise CMS Part B claims 5

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.
148 services146 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.
124 services123 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.
52 services50 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.
47 services47 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
24 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96701 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.

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.

RICHARD KLINE DO
Hospitalist
98-1079 MOANALUA RD
AIEA, HI 96701
Honolulu County (808) 486-6000
DR. DAWN A. MIURA M.D.
Internal Medicine
98-1079 MOANALUA RD, SUITE 350
AIEA, HI 96701
Honolulu County (808) 487-2277
DR. MICHAEL WAYNE CHAN M.D.
Internal Medicine (Cardiovascular Disease)
98-1079 MOANALUA RD, SUITE 655
AIEA, HI 96701
Honolulu County (808) 486-6200
ROBERT CANONICO DO
Emergency Medicine
98-1079 MOANALUA RD
AIEA, HI 96701
Honolulu County (330) 493-4443
MCKENZIE ROBLEDO RN, BSN
Registered Nurse
98-1079 MOANALUA RD
AIEA, HI 96701
Honolulu County (808) 485-4437
PALI MOMI MEDICAL CENTER
General Acute Care Hospital
98-1079 MOANALUA RD
AIEA, HI 96701
Honolulu County (808) 486-6000
SHAYNE MARK CASTANERA M.D.
Internal Medicine
98-1079 MOANALUA RD
AIEA, HI 96701
Honolulu County (808) 486-6000
KY LE LLC
Family Medicine
98-1079 MOANALUA RD
AIEA, HI 96701
Honolulu County (808) 536-0300

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 Baker's NPI number?

The NPI number for Mark Baker is 1861547945. It was assigned to this individual provider in the NPPES registry on January 25, 2007. The provider is also known as William Mark Baker.

Where is Mark Baker located?

Mark Baker practices at 98-1079 Moanalua Rd, Aiea, HI 96701. The listed phone number is (330) 493-4443.

What is Mark Baker's specialty?

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

Is Mark Baker enrolled in Medicare?

Yes. Mark Baker is registered in the Medicare PECOS enrollment system.

What insurance does Mark Baker accept?

Health plans from Molina Healthcare list Mark Baker 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.

When was this NPI record last updated?

The NPPES record for Mark Baker was last updated on November 19, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.