DR. JOHAN K. AHN MD
NPI 1972546240
Radiology - Diagnostic Radiology in Tacoma, WA

Active since June 14, 2006PECOS EnrolledAccepts Medicare Assignment
1304 FAWCETT AVE STE 100, TACOMA, WA 98402(253) 761-4200(253) 761-4201 Get Directions Write a Review

NPPES record last updated: December 30, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 30, 2024, Aug 15, 2023, Nov 22, 2021 and 2 more (5 updates tracked since 2020).

About Dr. Johan K. Ahn Md NPPES

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

DR. JOHAN K. AHN MD (NPI 1972546240) is an individual diagnostic radiology provider in Tacoma, Washington, licensed in California (A84698) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and maintains a secondary practice location in Honolulu.

NPPES Registry Identity

NPI1972546240
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. JOHAN K. AHNCredential: MD
Location Address1304 FAWCETT AVE STE 100Tacoma, WA 98402-1900
Mailing AddressPo Box 1535Tacoma, WA 98401-1535 · (253) 761-4200 · Fax (253) 383-3553
Fax(253) 761-4201
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 1995
Enumeration DateJune 14, 2006
Last NPPES UpdateDecember 30, 20245 updates tracked since enumeration
NPPES CertifiedDecember 30, 2024
NPI 1972546240 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in CA · A84698 Licensed in OR · MD151077 Licensed in HI · MD-9933 Licensed in WA · MD00042505
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1304 FAWCETT AVE STE 100, Tacoma, WA 98402

Secondary Practice Location 1

Location 11301 Punchbowl StHonolulu, HI 96813-2499 · Phone (808) 691-1000

Other Identifiers 3

Medicaid8399263WA
Medicaid1060681OR
Medicaid1060681WA

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 and accepts Medicare assignment

Dr. Johan K. Ahn 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 ID4183695547
PECOS Enrollment IDI20050421001196, I20220822000739
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 35

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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
1,250 services993 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
244 services238 patients
X-ray of abdomen, 1 view 74018
An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.
132 services114 patients
X-ray of hip, 2-3 views 73502
An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.
86 services82 patients
X-ray of lower and sacral spine, 2-3 views 72100
An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.
61 services61 patients
X-ray of shoulder, minimum of 2 views 73030
An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
58 services54 patients

Hospital Affiliations CMS Care Compare 2

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

North Hawaii Community Hospital, Inc

Acute Care Hospitals · Kamuela, HI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120028
Location67 1125 Mamalahoa HighwayKamuela, HI 96743 · Hawaii County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98402 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
Most-billed visit code 99213
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.

Radiology (Diagnostic Radiology)
1304 FAWCETT AVE STE 100
TACOMA, WA 98402
Radiology (Diagnostic Radiology)
1304 FAWCETT AVE STE 100
TACOMA, WA 98402
Radiology (Diagnostic Radiology)
1304 FAWCETT AVE STE 100
TACOMA, WA 98402
Radiology (Diagnostic Radiology)
1304 FAWCETT AVE STE 100
TACOMA, WA 98402
Radiology (Diagnostic Radiology)
1304 FAWCETT AVE STE 100
TACOMA, WA 98402
Radiology (Vascular & Interventional Radiology)
1304 FAWCETT AVE STE 100
TACOMA, WA 98402
Clinic/Center (Radiology)
1304 FAWCETT AVE STE 100
TACOMA, WA 98402
Radiology (Diagnostic Radiology)
1304 FAWCETT AVE STE 100
TACOMA, WA 98402

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 Johan Ahn's NPI number?

The NPI number for Johan Ahn is 1972546240. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Johan Ahn located?

Johan Ahn practices at 1304 Fawcett Ave Ste 100, Tacoma, WA 98402. The listed phone number is (253) 761-4200.

What is Johan Ahn's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Johan Ahn enrolled in Medicare?

Yes. Johan Ahn 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.

What insurance does Johan Ahn accept?

Health plans from Molina Healthcare list Johan Ahn 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 Johan Ahn affiliated with any hospitals?

According to CMS data, Johan Ahn is affiliated with The Queens Medical Center and North Hawaii Community Hospital, Inc.

When was this NPI record last updated?

The NPPES record for Johan Ahn was last updated on December 30, 2024. 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.