Overview
Gregory Holton is a primary care provider, practicing in Internal Medicine in Muskegon, Michigan. Dr. Holton is rated as an Experienced provider by MediFind in the treatment of Sciatica. His top areas of expertise are Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension. Dr. Holton is currently accepting new patients.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- HMO
- POS
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
Advantage Health/saint Mary's Medical Group
Peter Lenhart is a primary care provider, practicing in Internal Medicine in Caledonia, Michigan. Dr. Lenhart is rated as an Advanced provider by MediFind in the treatment of Sciatica. His top areas of expertise are Sciatica, Type 2 Diabetes (T2D), High Cholesterol, and Glucocorticoid-Remediable Aldosteronism. Dr. Lenhart is currently accepting new patients.
Corewell Health Internal Medicine - 426 Michigan St NE
Rima Shah is a primary care provider, practicing in Internal Medicine in Grand Rapids, Michigan. Dr. Shah has been practicing medicine for over 27 years and is rated as an Advanced provider by MediFind in the treatment of Sciatica. Her top areas of expertise are Melorheostosis, Melorheostosis with Osteopoikilosis, Osteopenia, and Sciatica.
Corewell Health Family Medicine And Internal Medicine - Grand Haven
Joseph Ortiz is a primary care provider, practicing in Internal Medicine in Grand Haven, Michigan. Dr. Ortiz has been practicing medicine for over 25 years and is rated as an Advanced provider by MediFind in the treatment of Sciatica. His top areas of expertise are Chronic Pain, Hypothyroidism, Sciatica, and Type 2 Diabetes (T2D). Dr. Ortiz is currently accepting new patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- Alcoholic CirrhosisDr. Holton isExperienced. Learn about Alcoholic Cirrhosis.
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic PainDr. Holton isExperienced. Learn about Chronic Pain.
- CirrhosisDr. Holton isExperienced. Learn about Cirrhosis.
- Familial HypertensionDr. Holton isExperienced. Learn about Familial Hypertension.
- Gastroesophageal Reflux Disease (GERD)Dr. Holton isExperienced. Learn about Gastroesophageal Reflux Disease (GERD).

