DR. PATRICK RYAN THAM D.D.S.
NPI 1548699119
Dentist - General Practice in Chicago, IL
About Dr. Patrick Ryan Tham D.d.s. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PATRICK RYAN THAM D.D.S. (NPI 1548699119) is an individual general practice provider in Chicago, Illinois, licensed in Illinois (019.029691) and active in the NPI registry since November 2013. 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)
Dr. Patrick Ryan Tham D.d.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Patrick Tham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60623
- Reassigned Medicare billing, Illinois enrollment
- 383 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 60617 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 Tham's NPI number?
The NPI number for Patrick Tham is 1548699119. It was assigned to this individual provider in the NPPES registry on November 4, 2013.
Where is Patrick Tham located?
Patrick Tham practices at 9119 S Exchange Ave, Chicago, IL 60617. The listed phone number is (773) 768-5000.
What is Patrick Tham's specialty?
The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.
Is Patrick Tham enrolled in Medicare?
Yes. Patrick Tham is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Patrick Tham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Tham reassigns Medicare benefits to Erie Family Health Center Inc (Chicago, IL). 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 Tham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patrick Tham accept?
Health plans from Humana list Patrick Tham 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 Tham was last updated on January 6, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.