DR. MARY FRANCIS WILLIAMS MS, LMFT, PSY.D, LP
NPI 1609927755
Psychologist - Clinical in Saint Paul, MN
About Dr. Mary Francis Williams Ms, Lmft, Psy.d, Lp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY FRANCIS WILLIAMS MS, LMFT, PSY.D, LP (NPI 1609927755) is an individual clinical provider in Saint Paul, Minnesota, licensed in Minnesota (LP4498) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Mary Francis Williams Ms, Lmft, Psy.d, Lp 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 Mary Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Centerville, MN 55038
- Reassigned Medicare billing, Minnesota enrollment
- 16 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 55127 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Mary Williams's NPI number?
The NPI number for Mary Williams is 1609927755. It was assigned to this individual provider in the NPPES registry on January 16, 2007. The provider is also known as Mary Frances Countryman.
Where is Mary Williams located?
Mary Williams practices at 4444 Centerville Rd Ste 235, Saint Paul, MN 55127. The listed phone number is (651) 289-3111.
What is Mary Williams's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Mary Williams enrolled in Medicare?
Yes. Mary 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 Mary Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Williams reassigns Medicare benefits to Centerlife Counseling, LLC (Centerville, MN). 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 Mary Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Williams accept?
Health plans from HealthPartners list Mary 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 Mary Williams was last updated on October 24, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.