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DR. WILLIAM HENRY PARKER VI MD
NPI 1558921189
Internal Medicine - Clinical Cardiac Electrophysiology in Iowa City, IA

Active since June 17, 2019
200 HAWKINS DR, IOWA CITY, IA 52242(319) 384-8001(319) 353-6343 Get Directions Write a Review

NPPES record last updated: May 29, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 29, 2025, Aug 23, 2023, Jun 17, 2019 (3 updates tracked since 2019).

About Dr. William Henry Parker Vi Md NPPES

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

DR. WILLIAM HENRY PARKER VI MD (NPI 1558921189) is an individual clinical cardiac electrophysiology provider in Iowa City, Iowa, licensed in Ohio (35.153818) and active in the NPI registry since June 2019.

NPPES Registry Identity

NPI1558921189
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameDR. WILLIAM HENRY PARKER VICredential: MD
Location Address200 HAWKINS DRIowa City, IA 52242-1009
Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 384-8001 · Fax (319) 353-6343
Phone(319) 384-8001
Fax(319) 353-6343
Sole ProprietorYes
Enumeration DateJune 17, 2019
Last NPPES UpdateMay 29, 20253 updates tracked since enumeration
NPPES CertifiedMay 29, 2025
✔ NPI 1558921189 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
License✔ Licensed in OH · 35.153818
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 57.248517 (OH)
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License R-12596 (IA), MD-51967 (IA)
200 HAWKINS DR, Iowa City, IA 52242
Open in Google Maps ↗

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.

SANGIL LEE M.D.
Emergency Medicine
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-2233
RAMI G. EL ABIAD M.D.
Internal Medicine (Gastroenterology)
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-4901
GRERK SUTAMTEWAGUL MD
Internal Medicine (Hematology & Oncology)
200 HAWKINS DR, DEPT OF INTERNAL MEDICINE
IOWA CITY, IA 52242
Johnson County (319) 356-1616
DR. KALEB TANNER VEIT D.O.
Internal Medicine (Critical Care Medicine)
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-2320
OMAR JABER M.D
Chronic Disease Hospital
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 471-8958
JENNIFER MANCUSO MS, CGC
Genetic Counselor, MS
200 HAWKINS DR, 31663 PFP
IOWA CITY, IA 52242
Johnson County (319) 384-7983
ASHLEY KAISER M.D.
Obstetrics & Gynecology
200 HAWKINS DR, DEPT OF OBGYN
IOWA CITY, IA 52242
Johnson County (319) 356-2294
MRS. NANCY JANE MILLICE
Health Educator
200 HAWKINS DR, 0733 JPP
IOWA CITY, IA 52242
Johnson County (319) 356-3825

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 William Parker's NPI number?

The NPI number for William Parker is 1558921189. It was assigned to this individual provider in the NPPES registry on June 17, 2019.

Where is William Parker located?

William Parker practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 384-8001.

What is William Parker's specialty?

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

When was this NPI record last updated?

The NPPES record for William Parker was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.