MARYANN DAWN THOMAS ARNP
NPI 1588048086
Nurse Practitioner - Family in San Francisco, CA
About Maryann Dawn Thomas Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYANN DAWN THOMAS ARNP (NPI 1588048086) is an individual family provider in San Francisco, California, licensed in California (95024943) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Maryann Dawn Thomas Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Maryann Thomas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Toledo, WA 98591
- Reassigned Medicare billing, Washington enrollment
- 68 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 94105 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 Maryann Thomas's NPI number?
The NPI number for Maryann Thomas is 1588048086. It was assigned to this individual provider in the NPPES registry on July 14, 2015.
Where is Maryann Thomas located?
Maryann Thomas practices at 1 Hawthorne St Unit 23D, San Francisco, CA 94105. The listed phone number is (347) 943-8131.
What is Maryann Thomas's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Maryann Thomas enrolled in Medicare?
Yes. Maryann Thomas is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Maryann Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maryann Thomas reassigns Medicare benefits to Lewis County Community Health Services (Toledo, WA). 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 Maryann Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Maryann Thomas was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.