DR. JOHN ORSON WIRTHLIN DDS
NPI 1144506353
Dentist - Orthodontics and Dentofacial Orthopedics in Houston, TX
About Dr. John Orson Wirthlin Dds NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN ORSON WIRTHLIN DDS (NPI 1144506353) is an individual orthodontics and dentofacial orthopedics provider in Houston, Texas, licensed in New York (P81457) and active in the NPI registry since November 2011. 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. John Orson Wirthlin Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Wirthlin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 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 77030 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.
HOUSTON, TX 77030
HOUSTON, TX 77030
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 John Wirthlin's NPI number?
The NPI number for John Wirthlin is 1144506353. It was assigned to this individual provider in the NPPES registry on November 1, 2011.
Where is John Wirthlin located?
John Wirthlin practices at 6701 Fannin St, Houston, TX 77030. The listed phone number is (832) 822-3920.
What is John Wirthlin's specialty?
The primary specialty registered for this NPI is Dentist, specializing in Orthodontics and Dentofacial Orthopedics, with taxonomy code 1223X0400X.
Is John Wirthlin enrolled in Medicare?
Yes. John Wirthlin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Wirthlin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Wirthlin reassigns Medicare benefits to Texas Children's Physician Group (Houston, TX). 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 John Wirthlin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Wirthlin accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 10 other insurers list John Wirthlin 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 John Wirthlin was last updated on May 3, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.