Dr. Jacob J. Baker
- Gender: Male
- Sole propriator: No
- NPI: 1093377012
Dr. Jacob J. Baker MD, PHD
Internist
He is located at 25 Michigan Street Northeast Suite 2100 in Grand Rapids, MI 49503. Can help patients with the following: Abdominal Pain, Anemia, Bladder Control, Common Cold, Hyponatremia, Inguinal Hernia. His National Provider Identifier (NPI) number is 1093377012. Appointment can be made via the phone number (616) 391-3777.
Conditions treated
Dr. Jacob John Baker, 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. Jacob J. Baker.
- 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. Jacob J. Baker 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 Aug 19, 2026, as reported by the insurer.
Show all 16 plans from Blue Care Network of Michigan
| Plan | Plan type | Network tier | 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 Aug 19, 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 |
Priority Health
Network data as of Aug 26, 2026, as reported by the insurer.
Show all 25 plans from Priority Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| MyPriority Balanced Silver | HMO · Silver | Mypriority HMO | Accepting new patients |
| MyPriority Balanced Silver Corewell Health West Michigan Network | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Balanced Silver Corewell Health West Michigan Network (Allegan, Barry) | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Enhanced Gold Corewell Health West Michigan Network | HMO · Gold | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Enhanced Gold Corewell Health West Michigan Network (Allegan, Barry) | HMO · Gold | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Premier Silver | HMO · Silver | Mypriority HMO | Accepting new patients |
| MyPriority Premier Silver Corewell Health West Michigan Network | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Premier Silver Corewell Health West Michigan Network (Allegan, Barry) | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Bronze | HMO · Expanded Bronze | Mypriority HMO | Accepting new patients |
| MyPriority Standard Bronze - Corewell Health West Michigan Network | HMO · Expanded Bronze | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Bronze - Corewell Health West Michigan Network (Allegan, Barry) | HMO · Expanded Bronze | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Bronze - Travel | HMO · Expanded Bronze | Mypriority HMO | Accepting new patients |
| MyPriority Standard Gold | HMO · Gold | Mypriority HMO | Accepting new patients |
| MyPriority Standard Gold Corewell Health West Michigan Network | HMO · Gold | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Gold Corewell Health West Michigan Network (Allegan, Barry) | HMO · Gold | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Silver | HMO · Silver | Mypriority HMO | Accepting new patients |
| MyPriority Standard Silver - Corewell Health West Michigan Network | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Silver - Corewell Health West Michigan Network (Allegan, Barry) | HMO · Silver | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Standard Silver - Travel | HMO · Silver | Mypriority HMO | Accepting new patients |
| MyPriority Value Bronze | HMO · Expanded Bronze | Mypriority HMO | Accepting new patients |
| MyPriority Value Bronze Corewell Health West Michigan Network | HMO · Expanded Bronze | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Value Bronze Corewell Health West Michigan Network (Allegan, Barry) | HMO · Expanded Bronze | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Value Bronze HSA | HMO · Expanded Bronze | Mypriority HMO | Accepting new patients |
| MyPriority Value Bronze HSA Corewell Health West Michigan Network | HMO · Expanded Bronze | Corewell West Narrow HMO | Accepting new patients |
| MyPriority Value Bronze HSA Corewell Health West Michigan Network (Allegan, Barry) | HMO · Expanded Bronze | Corewell West Narrow HMO | 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. Jacob J. Baker 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. Jacob J. Baker is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: Advantage Health/saint Mary's Medical Group
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Additional Specialities
- Resident
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Questions & Answers
What conditions does Dr. Jacob John Baker treat?
Dr. Jacob John Baker provides treatment for Abdominal Pain, Anemia, Bladder Control, Common Cold, Hyponatremia, Inguinal Hernia. For the full list see this list.
Where can you meet with Dr. Jacob John Baker?
Dr. Jacob John Baker's office is located at 25 Michigan Street Northeast Suite 2100 in Grand Rapids, MI 49503.
Does Dr. Jacob John Baker accept insurance?
Dr. Jacob John Baker is listed in-network for 94 ACA Marketplace (Obamacare/HealthCare.gov) plans from Ambetter from Meridian, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community, Oscar Insurance Company, Priority Health. See the Marketplace plans section for details.