Dr. Maria C. Onoya
- Gender: Female
- Experience: 18 years
- Graduation year: 2003
- Sole propriator: No
- NPI: 1801237946
Dr. Maria C. Onoya M.D.
Internist
She is located at 710 West Hobbs Street in Athens, AL 35611. Can help patients with the following: Abdominal Pain, Acute Pain, Arthritis, Common Cold, Osteoporosis, Urethritis. Her National Provider Identifier (NPI) number is 1801237946. Appointment can be made via the phone number (256) 262-6380. She is affiliated with 1 practices and 3 hospitals.
Conditions treated
Dr. Maria Czarins Onoya, being an internist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Maria C. Onoya.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Maria C. Onoya
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Maria C. Onoya as in-network for the following 2026 plans.
Health plans
Ambetter of Alabama
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 18 plans from Ambetter of Alabama
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | EPO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Elite Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Gold | EPO · Gold | Preferred | Accepting new patients |
| Elite Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options | EPO · Silver | Preferred | Accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Everyday Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Focused Silver | EPO · Silver | Preferred | Accepting new patients |
| Focused Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Standard Expanded Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | EPO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Standard Silver | EPO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Maria C. Onoya is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Maria C. Onoya is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: Valley Internal Medicine
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| AstraZeneca | $236 |
| Novo Nordisk | $102 |
| Lilly | $97 |
Other
| Food and Beverage | $742 |
Studies
Graduated in 2003
Affiliated hospitals
Looking for more Internists?
Out of the 12 internists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 902 West Washington Street Athens, 35611, AL
- Gender: Female
- Address: Suite A 1015 US Highway 72 East Athens, 35611, AL
- Gender: Male
- Address: 700 West Market Street Athens, 35611, AL
- Gender: Male
- Address: Suite 16 1005 West Market Street Athens, 35611, AL
- Gender: Female
- Address: 300 Sun Temple Drive Madison, 35758, AL
- Gender: Male
- Address: 700 West Market Street Athens, 35611, AL
- Gender: Female
- Address: Suite 2700 101 Fitness Way Athens, 35611, AL
- Gender: Female
- Address: 710 West Hobbs Street Athens, 35611, AL
- Gender: Male
- Address: Suite A 1015 US Highway 72 East Athens, 35611, AL
Questions & Answers
Does Dr. Maria Czarins Onoya accept patients with Ambetter of Alabama?
Yes, Dr. Maria Czarins Onoya is listed in-network for Ambetter of Alabama through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Maria Czarins Onoya?
Dr. Maria Czarins Onoya's office is located at 710 West Hobbs Street in Athens, AL 35611.
Has Dr. Maria Czarins Onoya affiliation with hospitals?
Dr. Maria Czarins Onoya is affiliated with HUNTSVILLE HOSPITAL. For the full list of hospitals see this list.
What conditions does Dr. Maria Czarins Onoya treat?
Dr. Maria Czarins Onoya provides treatment for Abdominal Pain, Acute Pain, Arthritis, Common Cold, Osteoporosis, Urethritis. For the full list see this list.
Does Dr. Maria Czarins Onoya have affiliation with practices?
Dr. Maria Czarins Onoya is affiliated with Limestone Internal Medicine.