ATSUSHI OBA MD
NPI 1205719655
Surgery - Surgical Oncology in Aurora, CO
About Atsushi Oba Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ATSUSHI OBA MD (NPI 1205719655) is an individual surgical oncology provider in Aurora, Colorado, licensed in Colorado (TDP.0041944) and active in the NPI registry since July 2025. He is enrolled in Medicare PECOS and is a graduate of Other (2007).
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 and accepts Medicare assignment
Atsushi Oba Md 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 Atsushi Oba reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Aurora, CO 80045
- Reassigned Medicare billing, Colorado enrollment
- 4,283 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 80045 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.
AURORA, CO 80045
AURORA, CO 80045
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 Atsushi Oba's NPI number?
The NPI number for Atsushi Oba is 1205719655. It was assigned to this individual provider in the NPPES registry on July 30, 2025.
Where is Atsushi Oba located?
Atsushi Oba practices at 1665 Aurora Ct, Aurora, CO 80045. The listed phone number is (720) 848-0000.
What is Atsushi Oba's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Atsushi Oba enrolled in Medicare?
Yes. Atsushi Oba 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 Atsushi Oba's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Atsushi Oba reassigns Medicare benefits to University Physicians Incorporated (Aurora, CO). 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 Atsushi Oba's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Atsushi Oba accept?
Health plans from Select Health list Atsushi Oba 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 Atsushi Oba was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Atsushi Oba, MD · NPI 1205719655
Surgical Oncology physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since July 30, 2025.
## Identity
- **NPI:** 1205719655 (Entity type: Individual)
- **Enumerated:** July 30, 2025
- **Primary specialty:** Surgery - Surgical Oncology · taxonomy 2086X0206X
- **State license:** TDP.0041944 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1665 AURORA CT, Aurora, CO 80045-2517
- **Phone:** (720) 848-0000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Physicians Incorporated (NPI 1730347113, Aurora, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** December 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1205719655) · Data from the CMS NPPES public registry.