MICHELLE WEN WILLIAMSON APRN
NPI 1487956843
Nurse Practitioner - Acute Care in Greeley, CO
About Michelle Wen Williamson Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE WEN WILLIAMSON APRN (NPI 1487956843) is an individual acute care provider in Greeley, Colorado, licensed in Colorado (0103440) and active in the NPI registry since November 2010. She is enrolled in Medicare PECOS, is affiliated with Memorial Mission Hospital And Asheville Surgery Ce, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
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
Michelle Wen Williamson Aprn 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
3Medicare enrollment records show Michelle Williamson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Monroe, GA 30655
- Reassigned Medicare billing, North Carolina enrollment
- 511 clinicians in this Medicare group
Asheville, NC 28801
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Mission Health Community Multispecialty Providers LLC
- 824 clinicians in this Medicare group
Brevard, NC 28712
- Reassigned Medicare billing, North Carolina enrollment
- 234 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Mission Hospital And Asheville Surgery Ce
Acute Care Hospitals · Asheville, NCHarris Regional Hospital
Acute Care Hospitals · Sylva, NCHighlands Cashiers Hospital
Critical Access Hospitals · Highlands, NCAngel Medical Center
Critical Access Hospitals · Franklin, NCErlanger Murphy Medical Center
Critical Access Hospitals · Murphy, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80631 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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Michelle Williamson's NPI number?
The NPI number for Michelle Williamson is 1487956843. It was assigned to this individual provider in the NPPES registry on November 17, 2010. The provider is also known as Michelle Wen Gourley Cnp.
Where is Michelle Williamson located?
Michelle Williamson practices at 1801 16th St, Greeley, CO 80631. The listed phone number is (239) 340-0816.
What is Michelle Williamson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Michelle Williamson enrolled in Medicare?
Yes. Michelle Williamson 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 Michelle Williamson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Williamson reassigns Medicare benefits to 3 organizations: Hospital Physician Services - Southeast Professional Corporation (Monroe, GA), Mission Community Anesthesiology Specialists LLC (Asheville, NC) and Southeastern Medical Group, PC (Brevard, NC). 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 Michelle Williamson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michelle Williamson accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and AmeriHealth Caritas Next and 3 other insurers list Michelle Williamson 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 Michelle Williamson affiliated with any hospitals?
According to CMS data, Michelle Williamson is affiliated with Memorial Mission Hospital And Asheville Surgery Ce, Harris Regional Hospital, Highlands Cashiers Hospital, Angel Medical Center and Erlanger Murphy Medical Center.
When was this NPI record last updated?
The NPPES record for Michelle Williamson was last updated on September 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Michelle Wen Williamson, APRN · NPI 1487956843
Acute Care physician in Greeley, Colorado. Individual provider, active in the CMS NPPES registry since November 17, 2010.
## Identity
- **NPI:** 1487956843 (Entity type: Individual)
- **Enumerated:** November 17, 2010
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 0103440 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1801 16TH ST, Greeley, CO 80631-5154
- **Phone:** (239) 340-0816
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Hospital Physician Services - Southeast Professional Corporation (NPI 1760410385, Monroe, GA); Mission Community Anesthesiology Specialists LLC (NPI 1114497344, Asheville, NC); Southeastern Medical Group, PC (NPI 1184669053, Brevard, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** September 11, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1487956843) · Data from the CMS NPPES public registry.