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STEVEN J FONKEN MD
NPI 1063437630
Internal Medicine - Cardiovascular Disease in Boise, ID

Active since July 13, 2006PECOS Enrolled
500 W. FORT ST, # 111, BOISE, ID 83702(208) 422-1000(208) 422-1319 Get Directions Write a Review

NPPES record last updated: March 1, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 1, 2022, Sep 20, 2017 (2 updates tracked since 2017).

About Steven J Fonken Md NPPES

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

STEVEN J FONKEN MD (NPI 1063437630) is an individual cardiovascular disease provider in Boise, Idaho, licensed in Idaho (M-7934) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1063437630
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameSTEVEN J FONKENCredential: MD
Location Address500 W. FORT ST, # 111Boise, ID 83702
Mailing Address500 W. Fort St, # 111Boise, ID 83702 · (208) 422-1000 · Fax (208) 422-1319
Phone(208) 422-1000
Fax(208) 422-1319
Sole ProprietorNo
Enumeration DateJuly 13, 2006
Last NPPES UpdateMarch 1, 20222 updates tracked since enumeration
NPPES CertifiedMarch 1, 2022
✔ NPI 1063437630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in ID · M-7934
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License M-7934 (ID)
Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License M-7934 (ID)
500 W. FORT ST, Boise, ID 83702
Open in Google Maps ↗

Other Identifiers 3

Medicaid805658400ID
Other000010027675Regence Blue Shield Of Id
Other59923Blue Cross Of Idaho

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Steven J Fonken 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83702 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
$121.27 typical visit price
range $52.44 – $160.17
Typical copayment $30.31 (range $13.11 – $40.04)
Most-billed visit code 99204
Established Patient
$65.77 typical visit price
range $16.68 – $130.93
Typical copayment $16.44 (range $4.17 – $32.73)
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 7

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

SARAH HAYDEN PA
Physician Assistant
500 W. FORT ST, # 111
BOISE, ID 83702
Ada County (208) 422-1000
MRS. ANNIE C FIFE NP
Nurse Practitioner (Women's Health)
500 W. FORT ST
BOISE, ID 83702
Ada County (208) 422-7760
JEAN M. KIM PHD
Psychologist (Clinical)
500 W. FORT ST, CRH, 2ND FLOOR
BOISE, ID 83702
Ada County (208) 422-1018
BRIAN E. COTHERN MD
Family Medicine
500 W. FORT ST, CALDWELL CBOC
BOISE, ID 83702
Ada County (208) 422-1000
ANGELA HOFFMAN RADIMER PA
Physician Assistant (Medical)
500 W. FORT ST, # 111
BOISE, ID 83702
Ada County (208) 422-1000
MELISSA MAE HAGMAN MD
Internal Medicine (Hospice and Palliative Medicine)
500 W. FORT ST, # 111R
BOISE, ID 83702
Ada County (208) 422-1000
RICK WRIGHT D.O.
Emergency Medicine
500 W. FORT ST, EMERGENCY DEPT.
BOISE, ID 83702
Ada County (208) 422-1000

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 Steven Fonken's NPI number?

The NPI number for Steven Fonken is 1063437630. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Where is Steven Fonken located?

Steven Fonken practices at 500 W. Fort St # 111, Boise, ID 83702. The listed phone number is (208) 422-1000.

What is Steven Fonken's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Steven Fonken enrolled in Medicare?

Yes. Steven Fonken is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Steven Fonken was last updated on March 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.