CRYSTAL RITSEMA M.D.
NPI 1093958548
Internal Medicine in Grand Rapids, MI
About Crystal Ritsema M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CRYSTAL RITSEMA M.D. (NPI 1093958548) is an individual internal medicine provider in Grand Rapids, Michigan, licensed in Michigan (4301108709) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Wayne State University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Crystal Ritsema M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49503
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Crystal Ritsema's NPI number?
The NPI number for Crystal Ritsema is 1093958548. It was assigned to this individual provider in the NPPES registry on April 14, 2009.
Where is Crystal Ritsema located?
Crystal Ritsema practices at 275 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 397-3777.
What is Crystal Ritsema's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Crystal Ritsema enrolled in Medicare?
Yes. Crystal Ritsema is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Crystal Ritsema accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Crystal Ritsema as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Crystal Ritsema affiliated with any hospitals?
According to CMS data, Crystal Ritsema is affiliated with Spectrum Health.
When was this NPI record last updated?
The NPPES record for Crystal Ritsema was last updated on January 13, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
