DR. THEN ETHAN VAN TONG DO
NPI 1447578992
Internal Medicine in Des Moines, IA
About Dr. Then Ethan Van Tong Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THEN ETHAN VAN TONG DO (NPI 1447578992) is an individual internal medicine provider in Des Moines, Iowa, licensed in Iowa (4475) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2010).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 3
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. Then Ethan Van Tong Do 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 Reassignments
3Medicare enrollment records show Then Tong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Johnston, IA 50131
- Reassigned Medicare billing, Iowa enrollment
- 1,506 clinicians in this Medicare group
Sierra Vista, AZ 85635
- Reassigned Medicare billing, Arizona enrollment
- 372 clinicians in this Medicare group
Arcata, CA 95521
- Reassigned Medicare billing, California enrollment
- 43 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50316 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 6
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 Then Tong's NPI number?
The NPI number for Then Tong is 1447578992. It was assigned to this individual provider in the NPPES registry on May 8, 2010. The provider is also known as Dr. Then Van Tong Do.
Where is Then Tong located?
Then Tong practices at 1201 Penn Ave, Des Moines, IA 50316. The listed phone number is (515) 266-1000.
What is Then Tong's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Then Tong enrolled in Medicare?
Yes. Then Tong 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 organizations bill Medicare for Then Tong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Then Tong reassigns Medicare benefits to 3 organizations: Iowa Physicians Clinic Medical Foundation (Johnston, IA), Cogent Healthcare Of Arizona PC (Sierra Vista, AZ) and North Pacific Cardiology Medical (Arcata, CA). Each 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 Then Tong'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 Then Tong was last updated on January 20, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.