Dr. Lorenz P. Kielhorn
- Gender: Male
- Experience: 45 years
- Sole propriator: No
- NPI: 1891816427
Dr. Lorenz P. Kielhorn M.D.
Addiction Medicine Specialist
He is located at 401 Howard Street in Kalamazoo, MI 49001. Can help patients with the following: Chronic Obstructive Pulmonary Disease (COPD), Hyperlipidemia, Influenza, Migraine, Prenatal Care, Women's Health. His National Provider Identifier (NPI) number is 1891816427. Appointment can be made via the phone number (269) 344-4458. He is affiliated with 3 practices.
Conditions treated
Dr. Lorenz P. Kielhorn, being an addiction medicine specialist, 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. Lorenz P. Kielhorn.
- Abdominal Pain
- Aging In Place
- Anxiety
- Arthritis
- Asthma
- Autism
- Benign Tumor
- Birth Control Counseling
- Breastfeeding and Lactation
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Cyst
- Diabetes
- Fever
- General Care
- Headache
- Heart Disease
- High Blood Pressure
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Infarction
- Influenza
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Skin Biopsy
- Thyroid Disease
- Women's Health
Procedures Performed by Dr. Lorenz P. Kielhorn
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Lorenz P. Kielhorn as in-network for the following 2026 plans.
Health plans
Ambetter from Meridian
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 9 plans from Ambetter from Meridian
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Clear Silver | HMO · Silver | Preferred | Accepting new patients |
| Elite Gold | HMO · Gold | Preferred | Accepting new patients |
| Elite Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Everyday Gold | HMO · Gold | Preferred | Accepting new patients |
| Everyday Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
Blue Care Network of Michigan
Network data as of Jul 24, 2026, as reported by the insurer.
Show all 20 plans from Blue Care Network of Michigan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Cross® Local HMO Bronze Extra | HMO · Expanded Bronze | Null | Accepting new patients |
| Blue Cross® Local HMO Bronze Secure | HMO · Bronze | Null | Accepting new patients |
| Blue Cross® Local HMO Silver Extra | HMO · Silver | Null | Accepting new patients |
| Blue Cross® Local HMO Silver Saver | HMO · Silver | Null | Accepting new patients |
| Blue Cross® Preferred HMO Bronze Extra | HMO · Expanded Bronze | Null | Accepting new patients |
| Blue Cross® Preferred HMO Bronze Saver HSA | HMO · Expanded Bronze | Null | Accepting new patients |
| Blue Cross® Preferred HMO Bronze Secure | HMO · Bronze | Null | Accepting new patients |
| Blue Cross® Preferred HMO Gold | HMO · Gold | Null | Accepting new patients |
| Blue Cross® Preferred HMO Gold Extra | HMO · Gold | Null | Accepting new patients |
| Blue Cross® Preferred HMO Silver | HMO · Silver | Null | Accepting new patients |
| Blue Cross® Preferred HMO Silver Extra | HMO · Silver | Null | Accepting new patients |
| Blue Cross® Preferred HMO Silver Saver | HMO · Silver | Null | Accepting new patients |
| Blue Cross® Preferred HMO Value | HMO · Catastrophic | Null | Accepting new patients |
| Blue Cross® Select HMO Bronze Extra | HMO · Expanded Bronze | Null | Accepting new patients |
| Blue Cross® Select HMO Bronze Saver HSA | HMO · Expanded Bronze | Null | Accepting new patients |
| Blue Cross® Select HMO Bronze Secure | HMO · Bronze | Null | Accepting new patients |
| Blue Cross® Select HMO Silver | HMO · Silver | Null | Accepting new patients |
| Blue Cross® Select HMO Silver Extra | HMO · Silver | Null | Accepting new patients |
| Blue Cross® Select HMO Silver Saver | HMO · Silver | Null | Accepting new patients |
| Blue Cross® Select HMO Value | HMO · Catastrophic | Null | Accepting new patients |
Blue Cross Blue Shield of Michigan Mutual Insurance Company
Network data as of Jul 24, 2026, as reported by the insurer.
Show all 9 plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Cross® Premier PPO Bronze Extra | PPO · Expanded Bronze | Null | Accepting new patients |
| Blue Cross® Premier PPO Bronze Saver HSA | PPO · Expanded Bronze | Null | Accepting new patients |
| Blue Cross® Premier PPO Bronze Secure | PPO · Bronze | Null | Accepting new patients |
| Blue Cross® Premier PPO Gold | PPO · Gold | Null | Accepting new patients |
| Blue Cross® Premier PPO Gold Extra | PPO · Gold | Null | Accepting new patients |
| Blue Cross® Premier PPO Silver | PPO · Silver | Null | Accepting new patients |
| Blue Cross® Premier PPO Silver Extra | PPO · Silver | Null | Accepting new patients |
| Blue Cross® Premier PPO Silver Saver HSA | PPO · Silver | Null | Accepting new patients |
| Blue Cross® Premier PPO Value | PPO · Catastrophic | Null | Accepting new patients |
McLaren Health Plan Community
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 27 plans from McLaren Health Plan Community
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| MHP Bronze | HMO · Bronze | In Network | Accepting new patients |
| MHP Bronze | HMO · Bronze | Out of Network | Accepting new patients |
| MHP Bronze | HMO · Bronze | Rewards | Accepting new patients |
| MHP Bronze Saver (Expanded) | HMO · Expanded Bronze | In Network | Accepting new patients |
| MHP Bronze Saver (Expanded) | HMO · Expanded Bronze | Out of Network | Accepting new patients |
| MHP Bronze Saver (Expanded) | HMO · Expanded Bronze | Rewards | Accepting new patients |
| MHP Expanded Bronze Standard | HMO · Expanded Bronze | In Network | Accepting new patients |
| MHP Expanded Bronze Standard | HMO · Expanded Bronze | Out of Network | Accepting new patients |
| MHP Expanded Bronze Standard | HMO · Expanded Bronze | Rewards | Accepting new patients |
| MHP Gold | HMO · Gold | In Network | Accepting new patients |
| MHP Gold | HMO · Gold | Out of Network | Accepting new patients |
| MHP Gold | HMO · Gold | Rewards | Accepting new patients |
| MHP Gold Standard | HMO · Gold | In Network | Accepting new patients |
| MHP Gold Standard | HMO · Gold | Out of Network | Accepting new patients |
| MHP Gold Standard | HMO · Gold | Rewards | Accepting new patients |
| MHP Silver Exchange | HMO · Silver | In Network | Accepting new patients |
| MHP Silver Exchange | HMO · Silver | Out of Network | Accepting new patients |
| MHP Silver Exchange | HMO · Silver | Rewards | Accepting new patients |
| MHP Silver Exchange Rewards | HMO · Silver | In Network | Accepting new patients |
| MHP Silver Exchange Rewards | HMO · Silver | Out of Network | Accepting new patients |
| MHP Silver Exchange Rewards | HMO · Silver | Rewards | Accepting new patients |
| MHP Silver Standard | HMO · Silver | In Network | Accepting new patients |
| MHP Silver Standard | HMO · Silver | Out of Network | Accepting new patients |
| MHP Silver Standard | HMO · Silver | Rewards | Accepting new patients |
| MHP Young Adult/Catastrophic | HMO · Catastrophic | In Network | Accepting new patients |
| MHP Young Adult/Catastrophic | HMO · Catastrophic | Out of Network | Accepting new patients |
| MHP Young Adult/Catastrophic | HMO · Catastrophic | Rewards | Accepting new patients |
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 8 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Accepting new patients |
| Gold Elite Saver Plus | EPO · Gold | Preferred | Accepting new patients |
| Silver Classic | EPO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | 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. Lorenz P. Kielhorn 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. Lorenz P. Kielhorn is enrolled to bill Medicare as a Practitioner - Addiction Medicine .
Bills through: Victory Clinical Services Battle Creek Llc
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
| Indivior | $316 |
| Alkermes | $38 |
| AbbVie | $28 |
Other
| Consulting | $250 |
| Food and Beverage | $151 |
Additional Specialities
- Family Physician
- Pathologist
Affiliated practices
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Questions & Answers
Does Dr. Lorenz P. Kielhorn have affiliation with practices?
Dr. Lorenz P. Kielhorn is affiliated with Victory Clinical Services III. For the full list of practices see this list.
Where can you meet with Dr. Lorenz P. Kielhorn?
Dr. Lorenz P. Kielhorn's office is located at 401 Howard Street in Kalamazoo, MI 49001.
Does Dr. Lorenz P. Kielhorn accept patients with Ambetter from Meridian?
Yes, Dr. Lorenz P. Kielhorn is listed in-network for Ambetter from Meridian through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Lorenz P. Kielhorn treat?
Dr. Lorenz P. Kielhorn provides treatment for Chronic Obstructive Pulmonary Disease (COPD), Hyperlipidemia, Influenza, Migraine, Prenatal Care, Women's Health. For the full list see this list.