DR. JANIS WILLIAMS DO
NPI 1154367316
Emergency Medicine in Welch, WV
About Dr. Janis Williams Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JANIS WILLIAMS DO (NPI 1154367316) is an individual emergency medicine provider in Welch, West Virginia, licensed in West Virginia (1042) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Montgomery General Hospital, Inc, and is a graduate of West Virginia School Of Osteopathic Medicine (1985).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 9
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. Janis Williams Do 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 Janis Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Montgomery, WV 25136
- Reassigned Medicare billing, West Virginia enrollment
- 91 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.
Montgomery General Hospital, Inc
Critical Access Hospitals · Montgomery, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 24801 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.
WELCH, WV 24801
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 Janis Williams's NPI number?
The NPI number for Janis Williams is 1154367316. It was assigned to this individual provider in the NPPES registry on June 22, 2006.
Where is Janis Williams located?
Janis Williams practices at 454 Mcdowell St, Welch, WV 24801. The listed phone number is (304) 436-8461.
What is Janis Williams's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Janis Williams enrolled in Medicare?
Yes. Janis 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 organization bills Medicare for Janis Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janis Williams reassigns Medicare benefits to Montgomery General Hospital, Inc (Montgomery, WV). 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 Janis Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Janis Williams accept?
Health plans from CareSource list Janis 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 Janis Williams affiliated with any hospitals?
According to CMS data, Janis Williams is affiliated with Montgomery General Hospital, Inc.
When was this NPI record last updated?
The NPPES record for Janis Williams was last updated on November 29, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Janis Williams, DO · NPI 1154367316
Emergency Medicine physician in Welch, West Virginia. Individual provider, active in the CMS NPPES registry since June 22, 2006.
## Identity
- **NPI:** 1154367316 (Entity type: Individual)
- **Enumerated:** June 22, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 1042 (West Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 454 MCDOWELL ST, Welch, WV 24801-2029
- **Phone:** (304) 436-8461
## 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:** Montgomery General Hospital, Inc (NPI 1619913647, Montgomery, WV), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** West Virginia School Of Osteopathic Medicine, class of 1985
## Record status
- **NPPES last updated:** November 29, 2007
- **Other identifiers:** Other 1054007 (WV); Other P00397747 (WV); Medicare UPIN F06853; and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1154367316) · Data from the CMS NPPES public registry.