DR. SAMUEL LEWIS JOHNSTON M.D.
NPI 1184832271
Internal Medicine - Clinical Cardiac Electrophysiology in Iowa City, IA

Active since May 20, 2007PECOS Enrolled
200 HAWKINS DR, E315GH, IOWA CITY, IA 52242(319) 356-3689 Get Directions Write a Review

NPPES record last updated: December 12, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 12, 2016, Mar 16, 2016 (2 updates tracked since 2016).

About Dr. Samuel Lewis Johnston M.d. NPPES

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

DR. SAMUEL LEWIS JOHNSTON M.D. (NPI 1184832271) is an individual clinical cardiac electrophysiology provider in Iowa City, Iowa, licensed in Iowa (MD-42224) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184832271
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameDR. SAMUEL LEWIS JOHNSTONCredential: M.D.
Location Address200 HAWKINS DR, E315GHIowa City, IA 52242-1009
Mailing Address200 Hawkins Dr, E315ghIowa City, IA 52242-1009 · (319) 356-3689
Sole ProprietorNo
Enumeration DateMay 20, 2007
Last NPPES UpdateDecember 12, 20162 updates tracked since enumeration
NPI 1184832271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
Licenses Licensed in IA · MD-42224 Licensed in OR · MD153947 Licensed in IL · 036114065
Definition
A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD153947 (OR), 036-114065 (IL)
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License MD-4224 (IA), MD153947 (OR), 036-114065 (IL)
200 HAWKINS DR, Iowa City, IA 52242

Other Identifiers 5

OtherCA4748IL · Medicare Railroad (group Ptan)
OtherP01209465IL · Medicare Railroad (provider Ptan)
Medicaid036114065IL
Other206147126IL · Medicare Ptan (individual)
Other206147IL · Medicare Ptan (group)

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 (PECOS)

Dr. Samuel Lewis Johnston M.d. 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 7

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.

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.
185 services167 patients
Electrocardiogram (ecg) 2-day continuous with review by health care professional 93227
An Electrocardiogram (ECG) is a test that checks your heart's activity. The 2-day continuous ECG records your heart's rhythm non-stop for 48 hours. It helps to detect irregularities that may not occur during a shorter test. A healthcare professional will review the results to identify any issues.
49 services49 patients
Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional 93272
An Electrocardiogram (ECG) is a test that records the electrical activity of your heart. For up to 30 days, a device will continuously monitor your heart's rhythm, noting any symptoms. The data is sent to a healthcare professional who reviews it and provides a report on your heart health.
34 services34 patients
Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244
A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.
33 services32 patients
Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248
This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.
21 services21 patients
External shock to heart to regulate heart beat 92960
This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52242 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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.

Emergency Medicine
200 HAWKINS DR
IOWA CITY, IA 52242
Internal Medicine (Gastroenterology)
200 HAWKINS DR
IOWA CITY, IA 52242
Internal Medicine (Hematology & Oncology)
200 HAWKINS DR, DEPT OF INTERNAL MEDICINE
IOWA CITY, IA 52242
Internal Medicine (Critical Care Medicine)
200 HAWKINS DR
IOWA CITY, IA 52242
Chronic Disease Hospital
200 HAWKINS DR
IOWA CITY, IA 52242
Genetic Counselor, MS
200 HAWKINS DR, 31663 PFP
IOWA CITY, IA 52242
Obstetrics & Gynecology
200 HAWKINS DR, DEPT OF OBGYN
IOWA CITY, IA 52242
Health Educator
200 HAWKINS DR, 0733 JPP
IOWA CITY, IA 52242

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 Samuel Johnston's NPI number?

The NPI number for Samuel Johnston is 1184832271. It was assigned to this individual provider in the NPPES registry on May 20, 2007.

Where is Samuel Johnston located?

Samuel Johnston practices at 200 Hawkins Dr E315gh, Iowa City, IA 52242. The listed phone number is (319) 356-3689.

What is Samuel Johnston's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Samuel Johnston enrolled in Medicare?

Yes. Samuel Johnston is registered in the Medicare PECOS enrollment system.

What insurance does Samuel Johnston accept?

Health plans from Medica and Sanford Health Plan list Samuel Johnston 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 Samuel Johnston was last updated on December 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.