PATRICK G. WILLIAMS MD
NPI 1962585844
Pediatrics in Miles City, MT
About Patrick G. Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICK G. WILLIAMS MD (NPI 1962585844) is an individual pediatrics provider in Miles City, Montana, licensed in Iowa (37662) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Patrick G. Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Patrick Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
West Burlington, IA 52655
- Reassigned Medicare billing, Iowa enrollment
- 253 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59301 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.
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 Patrick Williams's NPI number?
The NPI number for Patrick Williams is 1962585844. It was assigned to this individual provider in the NPPES registry on October 23, 2006.
Where is Patrick Williams located?
Patrick Williams practices at 620 S Haynes Ave, Miles City, MT 59301. The listed phone number is (406) 233-7000.
What is Patrick Williams's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Patrick Williams enrolled in Medicare?
Yes. Patrick Williams is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Patrick Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Williams reassigns Medicare benefits to Southeast Iowa Regional Medical Center, Inc. (West Burlington, IA). 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 Patrick Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patrick Williams accept?
Health plans from Wellmark Health Plan of Iowa, Inc. list Patrick 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.
When was this NPI record last updated?
The NPPES record for Patrick Williams was last updated on October 25, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Patrick G. Williams, MD · NPI 1962585844
Pediatrics physician in Miles City, Montana. Individual provider, active in the CMS NPPES registry since October 23, 2006.
## Identity
- **NPI:** 1962585844 (Entity type: Individual)
- **Enumerated:** October 23, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 37662 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 620 S HAYNES AVE, Miles City, MT 59301-4769
- **Phone:** (406) 233-7000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southeast Iowa Regional Medical Center, Inc. (NPI 1164433884, West Burlington, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 25, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1962585844) · Data from the CMS NPPES public registry.