Dr. Ran Guan
- Gender: Female
- Experience: 27 years
- Graduation year: 1994
- Sole propriator: No
- NPI: 1275774192
Dr. Ran Guan MS, MD
Hospitalist
She is located at 975 Port Washington Road in Grafton, WI 53024. Can help patients with the following: Common Cold, Cystitis, Edema, Gastroesophageal Reflux Disease (GERD), Headache, Osteoporosis. Her National Provider Identifier (NPI) number is 1275774192. Appointment can be made via the phone number (262) 329-1000. She is affiliated with 2 hospitals.
Conditions treated
Dr. Ran Guan, being an hospitalist, 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. Ran Guan.
- 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)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Ran Guan as in-network for the following 2026 plans.
Health plans
CareSource (Common Ground Healthcare)
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 18 plans from CareSource (Common Ground Healthcare)
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze Standard $7500 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze Standard $7500 - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $0 Ded | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $0 Ded - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $3300 | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $3300 - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold Standard $2000 | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold Standard $2000 - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded - Vision Exam | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded - Vision Exam | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver Standard $6000 | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver Standard $6000 - Vision Exam | 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. Ran Guan 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. Ran Guan is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: Aurora Medical Group, Inc.
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.
Studies
Graduated in 1994Additional Specialities
- Internist
Looking for more Hospitalists?
There are 9 other hospitalists in this region.
- Gender: Male
- Address: 975 Port Washington Road Grafton, 53024, WI
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- Address: 975 Port Washington Road Grafton, 53024, WI
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- Address: 975 Port Washington Road Grafton, 53024, WI
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- Address: 975 Port Washington Road Grafton, 53024, WI
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- Address: 13250 Washington Avenue Mount Pleasant, 53177, WI
Questions & Answers
Has Dr. Ran Guan affiliation with hospitals?
Dr. Ran Guan is affiliated with AURORA ST LUKES MEDICAL CENTER. For the full list of hospitals see this list.
What conditions does Dr. Ran Guan treat?
Dr. Ran Guan provides treatment for Common Cold, Cystitis, Edema, Gastroesophageal Reflux Disease (GERD), Headache, Osteoporosis. For the full list see this list.
Where can you meet with Dr. Ran Guan?
Dr. Ran Guan's office is located at 975 Port Washington Road in Grafton, WI 53024.
Does Dr. Ran Guan accept insurance?
Dr. Ran Guan is listed in-network for 18 ACA Marketplace (Obamacare/HealthCare.gov) plans from CareSource (Common Ground Healthcare). See the Marketplace plans section for details.