CRYSTAL LYNN BYINGTON APNP
NPI 1841535812
Nurse Practitioner - Family in Milwaukee, WI
About Crystal Lynn Byington Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CRYSTAL LYNN BYINGTON APNP (NPI 1841535812) is an individual family provider in Milwaukee, Wisconsin, licensed in Wisconsin (7060-33) and active in the NPI registry since December 2012. She is enrolled in Medicare PECOS, is affiliated with Froedtert Memorial Lutheran Hospital, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 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
Crystal Lynn Byington Apnp 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 Reassignments
2Medicare enrollment records show Crystal Byington reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Wisconsin enrollment
- 303 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 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.
Froedtert Memorial Lutheran Hospital
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53226 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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Byington's NPI number?
The NPI number for Crystal Byington is 1841535812. It was assigned to this individual provider in the NPPES registry on December 3, 2012. The provider is also known as Crystal Kreil.
Where is Crystal Byington located?
Crystal Byington practices at 9200 W Wisconsin Ave Department Of Internal Medicine, Milwaukee, WI 53226. The listed phone number is (414) 805-4050.
What is Crystal Byington's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Crystal Byington enrolled in Medicare?
Yes. Crystal Byington 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 organizations bill Medicare for Crystal Byington's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Crystal Byington reassigns Medicare benefits to 2 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Signify Health Medical Associates, PLLC (Dallas, TX). Each 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 Crystal Byington's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Crystal Byington accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and Network Health list Crystal Byington 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 Byington affiliated with any hospitals?
According to CMS data, Crystal Byington is affiliated with Froedtert Memorial Lutheran Hospital.
When was this NPI record last updated?
The NPPES record for Crystal Byington was last updated on March 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Crystal Lynn Byington, APNP · NPI 1841535812
Family physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since December 3, 2012.
## Identity
- **NPI:** 1841535812 (Entity type: Individual)
- **Enumerated:** December 3, 2012
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 7060-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 W WISCONSIN AVE, DEPARTMENT OF INTERNAL MEDICINE, Milwaukee, WI 53226-3522
- **Phone:** (414) 805-4050 · **Fax:** (414) 805-6851
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); Signify Health Medical Associates, PLLC (NPI 1750845863, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** March 15, 2023
- **Other identifiers:** Medicaid 1841535812 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1841535812) · Data from the CMS NPPES public registry.