DR. CAYLA MARJORIE WILLIAMS MD
NPI 1184002727
Emergency Medicine in Kalamazoo, MI
About Dr. Cayla Marjorie Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CAYLA MARJORIE WILLIAMS MD (NPI 1184002727) is an individual emergency medicine provider in Kalamazoo, Michigan, licensed in Virginia (0101273181) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with Indian Path Community Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Dr. Cayla Marjorie Williams 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 Reassignments
2Medicare enrollment records show Cayla Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Norton, VA 24273
- Reassigned Medicare billing, Virginia enrollment
- 207 clinicians in this Medicare group
Johnson City, TN 37604
- Reassigned Medicare billing, Tennessee enrollment
- 284 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 4
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Indian Path Community Hospital
Acute Care Hospitals · Kingsport, TNRussell County Hospital
Acute Care Hospitals · Lebanon, VASmyth County Community Hospital
Acute Care Hospitals · Marion, VAJohnston Memorial Hospital
Acute Care Hospitals · Abingdon, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49006 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.
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 Cayla Williams's NPI number?
The NPI number for Cayla Williams is 1184002727. It was assigned to this individual provider in the NPPES registry on May 15, 2015.
Where is Cayla Williams located?
Cayla Williams practices at 1009 Coolidge Ave, Kalamazoo, MI 49006. The listed phone number is (864) 554-0258.
What is Cayla Williams's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Cayla Williams enrolled in Medicare?
Yes. Cayla Williams 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 Cayla Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cayla Williams reassigns Medicare benefits to 2 organizations: Western Virginia Regional Emergency Physicians, LLC (Norton, VA) and Tri-Cities Regional Emergency Physicians, PC (Johnson City, TN). 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 Cayla Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cayla Williams accept?
Health plans from Oscar Health and Oscar Insurance Company list Cayla Williams 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 Cayla Williams affiliated with any hospitals?
According to CMS data, Cayla Williams is affiliated with Indian Path Community Hospital, Russell County Hospital, Smyth County Community Hospital and Johnston Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Cayla Williams was last updated on January 31, 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.
# Dr. Cayla Marjorie Williams, MD · NPI 1184002727
Emergency Medicine physician in Kalamazoo, Michigan. Individual provider, active in the CMS NPPES registry since May 15, 2015.
## Identity
- **NPI:** 1184002727 (Entity type: Individual)
- **Enumerated:** May 15, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 0101273181 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1009 COOLIDGE AVE, Kalamazoo, MI 49006-2119
- **Phone:** (864) 554-0258
## 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): Western Virginia Regional Emergency Physicians, LLC (NPI 1386183028, Norton, VA); Tri-Cities Regional Emergency Physicians, PC (NPI 1063950046, Johnson City, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** January 31, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1184002727) · Data from the CMS NPPES public registry.