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Internal Medicine Physicians
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About Dr. Guillermo M. Valenzuela Cortez
Background and practice information
Dr. Guillermo M. Valenzuela Cortez is an internal medicine physician with over 16 years of clinical experience serving patients in the Johnson Creek, WI area. He completed his medical training at Other and has been in practice since 2010. He currently practices at Fort Healthcare Inc.
Dr. Guillermo M. Valenzuela Cortez's clinical practice focuses on treating patients with high cholesterol, high blood pressure.
Dr. Guillermo M. Valenzuela Cortez is in-network with 5 insurance providers, including Aetna, Cigna, Humana, and 2 more. Patients are encouraged to verify coverage with his office before scheduling an appointment.
At a Glance
Education
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Claim this profilePractice Locations
1 location
Fort Healthcare Inc
Primary400 Doctors Ct
Johnson Creek, WI 53038
(920) 699-4245
Affiliations
Hospital and facility affiliations
Treatment & Experience
Clinical practice and procedure experience for Dr. Guillermo M. Valenzuela Cortez
Treatment Approach
Dr. Guillermo M. Valenzuela Cortez's treatment approach includes prescribing Atorvastatin Calcium, Hydrochlorothiazide for his patients. These medications are commonly used for treating high cholesterol, high blood pressure.
Source: CMS Medicare Provider Utilization and Payment Data, 2023.
Insurance Networks
Accepted insurance plans and networks
Dr. Guillermo M. Valenzuela Cortez accepts 30 plans from 5 insurers, including Cigna, Humana, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Financial Transparency
Industry payment disclosures
Pharmaceutical and medical device companies disclosed $1.1K in payments to Dr. Guillermo M. Valenzuela Cortez in 2024, primarily from MIMEDX Group, Inc. for travel and lodging. These disclosures are required by federal law under the Physician Payments Sunshine Act.
Top Paying Companies
Source: CMS Open Payments, 2024.
Patient Reviews
Reviews and ratings from patients
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About Internal Medicine
Specialty overview and common conditions
An internal medicine physician (internist) is a medical doctor who specializes in the prevention, diagnosis, and treatment of diseases in adults. Internists are trained to manage complex, chronic, and multi-system illnesses, often serving as primary care doctors for adults or as consultants to other...
Common conditions treated by internal medicine specialists:
- Type 2 Diabetes Mellitus
- Hypertension (High Blood Pressure)
- Hyperlipidemia (High Cholesterol)
- Coronary Artery Disease (Heart Disease)
Frequently Asked Questions
Common questions about Guillermo M. Valenzuela Cortez
Does Dr. Valenzuela Cortez accept Medicare?
Yes, Dr. Valenzuela Cortez accepts Medicare assignment. Patients with Medicare coverage can see Dr. Valenzuela Cortez and typically pay less out of pocket when using a provider who accepts Medicare assignment.
What insurance does Dr. Valenzuela Cortez accept?
Dr. Valenzuela Cortez is in-network with 5 insurance providers, including Aetna, Cigna, Humana, Medicare, UMR. Insurance networks can change, so patients should verify their specific plan coverage directly with Dr. Valenzuela Cortez's office before scheduling.
Does Dr. Valenzuela Cortez offer telehealth or virtual appointments?
Dr. Valenzuela Cortez does not currently list telehealth services. For virtual care options, contact the office directly or consider other internal medicine providers in Johnson Creek who offer telehealth.
What conditions does Dr. Valenzuela Cortez treat?
As a internal medicine specialist, Dr. Valenzuela Cortez commonly treats conditions including type 2 diabetes mellitus, hypertension (high blood pressure), hyperlipidemia (high cholesterol), coronary artery disease (heart disease), chronic obstructive pulmonary disease (copd), and other related health concerns. Contact the office to discuss your specific healthcare needs.
What medications does Dr. Valenzuela Cortez commonly prescribe?
Based on Medicare prescribing data, Dr. Valenzuela Cortez commonly prescribes medications including Atorvastatin Calcium, Hydrochlorothiazide. The specific medications prescribed depend on each patient's individual diagnosis and health needs. Patients should discuss treatment options directly with Dr. Valenzuela Cortez during their consultation.
Where did Dr. Valenzuela Cortez go to medical school?
Dr. Valenzuela Cortez completed medical training at Other and has been practicing since 2010, bringing over 16 years of clinical experience.
Where is Dr. Valenzuela Cortez's office located?
Dr. Valenzuela Cortez practices at 400 DOCTORS CT, Johnson Creek, WI 53038 at FORT HEALTHCARE INC. You can reach the office by calling (920) 699-4245.
How do I make an appointment with Dr. Valenzuela Cortez?
To schedule an appointment with Dr. Valenzuela Cortez, call the office at (920) 699-4245. New patients should have their insurance information and medical records ready when calling.
Data source: CMS National Provider Registry ·
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