Dr. Graham Howerzyl is a Sioux Center, Iowa based Dentist who is specialized in
General Practice Dentistry. He does not accept the Medicare-approved amount. Patients will be billed for the treatment. Active license number of Dr. Graham Howerzyl is
DDS-10511 for General Practice Dentistry in Iowa. His current practice location is
159 S Main Ave, Sioux Center. Patients can reach him at
712-722-2618.
Dr. Graham Howerzyl is the primary dental care provider for patients of all ages. He is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Complete Profile:
Dr. Graham Howerzyl speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Name: | Dr. Graham Howerzyl |
| Specialization: | Dentist |
| Gender: | Male |
| Credentials: | DDS |
| Accepts Medicare Assignment: | No |
| Practice Address: | 159 S Main Ave, Sioux Center,
Iowa, 51250-1535 |
| Phone: | 712-722-2618 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1659217859 |
| NPI Enumeration Date: | 28 Apr, 2026 |
| NPI Last Update On: | 23 Jun, 2026 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Graham Howerzyl are as mentioned below.
| License Number | Specialization | State | Status | |
| DDS-10511 | General Practice Dentistry | Iowa | Primary | |
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 327 Parkview Ct,
North Liberty, Iowa |
| Zip: | 52317-9640 |
Patients can reach Dr. Graham Howerzyl at
159 S Main Ave, Sioux Center, Iowa or can
call to book an appointment on 712-722-2618.
Comments/ Reviews:
Read all the reviews posted for Dr. Graham Howerzyl below. You may also share your own experience with Dr. Graham Howerzyl. Your feedback can help others make better decisions.
**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on
13 July, 2026.