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DR. JOHN T HAGGERTY D.O.
NPI 1427395326
Emergency Medicine in Agana Heights, GU

Active since January 11, 2013PECOS EnrolledAccepts Medicare Assignment
BLDG 50, FARENHOLT AVE, AGANA HEIGHTS, GU 96910(671) 344-9340 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 6, 2025, Dec 13, 2023, Feb 23, 2023 (3 updates tracked since 2023).

About Dr. John T Haggerty D.o. NPPES

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

DR. JOHN T HAGGERTY D.O. (NPI 1427395326) is an individual emergency medicine provider in Agana Heights, Guam, licensed in Washington (DO.OP.61664564) and active in the NPI registry since January 2013. He is enrolled in Medicare PECOS, is affiliated with Deaconess Medical Center, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1427395326
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JOHN T HAGGERTYCredential: D.O.
Location AddressBLDG 50, FARENHOLT AVEAgana Heights, GU 96910
Mailing Address800 W 5th AveSpokane, WA 99204-2803
Phone(671) 344-9340
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJanuary 11, 2013
Last NPPES UpdateAugust 6, 20253 updates tracked since enumeration
NPPES CertifiedAugust 6, 2025
✔ NPI 1427395326 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in WA · DO.OP.61664564✔ Licensed in GU · DO-0125✔ Licensed in VA · 0102203889
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.

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. John T Haggerty D.o. 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 ID7214301613
PECOS Enrollment IDI20250618002607
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 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.
41 services40 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.
32 services30 patients
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.
20 services20 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.
14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Deaconess Medical Center

Acute Care Hospitals · Spokane, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500044
LocationW 800 Fifth AvenueSpokane, WA 99210 · Spokane County
Emergency services Birthing friendly

Multicare Valley Hospital

Acute Care Hospitals · Spokane, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500119
Location12606 East Mission AvenueSpokane, WA 99216 · Spokane County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96910 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 4

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

NICHOLAS JOHN BRANDES PA
Physician Assistant
BLDG 50, FARENHOLT AVE
AGANA HEIGHTS,, GU 96910
Guam (671) 344-9340
MR. ERIC NELSON LOPEZ JR. PHYSICIAN ASSISTANT
Physician Assistant
BLDG 50, FARENHOLT AVE
AGANA HEIGHTS, GU 96910
Guam (671) 339-3168
JESSICA ARROTT
Emergency Medicine
BLDG 50, FARENHOLT AVE
AGANA HEIGHTS, GU 96910
Guam (671) 344-9340
BRITTNEY MARGARET GARDNER AUD
Audiologist
BLDG 50, FARENHOLT AVE
AGANA HEIGHTS, GU 96910
Guam (671) 344-9340

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 John Haggerty's NPI number?

The NPI number for John Haggerty is 1427395326. It was assigned to this individual provider in the NPPES registry on January 11, 2013.

Where is John Haggerty located?

John Haggerty practices at Bldg 50, Farenholt Ave, Agana Heights, GU 96910. The listed phone number is (671) 344-9340.

What is John Haggerty's specialty?

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

Is John Haggerty enrolled in Medicare?

Yes. John Haggerty 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 John Haggerty affiliated with any hospitals?

According to CMS data, John Haggerty is affiliated with Deaconess Medical Center and Multicare Valley Hospital.

When was this NPI record last updated?

The NPPES record for John Haggerty was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.