CHRISTINA LEONARD FAHLSING MD
NPI 1730315474
Internal Medicine - Infectious Disease in Grand Rapids, MI
About Christina Leonard Fahlsing Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINA LEONARD FAHLSING MD (NPI 1730315474) is an individual infectious disease provider in Grand Rapids, Michigan, licensed in Michigan (4301101820) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Corewell Health Zeeland Hospital, and is a graduate of Wayne State University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Christina Leonard Fahlsing Md 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.
Medicare Billing Reassignment
Medicare enrollment records show Christina Fahlsing reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Corewell Health Zeeland Hospital
Acute Care Hospitals · Zeeland, MISpectrum Health
Acute Care Hospitals · Grand Rapids, MICorewell Health Gerber Hospital
Critical Access Hospitals · Fremont, 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
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 Christina Fahlsing's NPI number?
The NPI number for Christina Fahlsing is 1730315474. It was assigned to this individual provider in the NPPES registry on June 9, 2009. The provider is also known as Christina Therese Leonard MD.
Where is Christina Fahlsing located?
Christina Fahlsing practices at 230 Michigan St NE Suite 230, Grand Rapids, MI 49503. The listed phone number is (616) 774-2822.
What is Christina Fahlsing's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Christina Fahlsing enrolled in Medicare?
Yes. Christina Fahlsing 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.
Which organization bills Medicare for Christina Fahlsing's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christina Fahlsing reassigns Medicare benefits to Spectrum Health Primary Care Partners (Grand Rapids, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christina Fahlsing's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christina Fahlsing accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Christina Fahlsing 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 Christina Fahlsing affiliated with any hospitals?
According to CMS data, Christina Fahlsing is affiliated with Corewell Health Zeeland Hospital, Spectrum Health and Corewell Health Gerber Hospital.
When was this NPI record last updated?
The NPPES record for Christina Fahlsing was last updated on March 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Christina Leonard Fahlsing, MD · NPI 1730315474
Infectious Disease physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since June 9, 2009.
## Identity
- **NPI:** 1730315474 (Entity type: Individual)
- **Enumerated:** June 9, 2009
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 4301101820 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 230 MICHIGAN ST NE, SUITE 230, Grand Rapids, MI 49503-2550
- **Phone:** (616) 774-2822
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Spectrum Health Primary Care Partners (NPI 1689499667, Grand Rapids, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** March 8, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1730315474) · Data from the CMS NPPES public registry.