Atsushi Oba, MD
Surgical Oncology Physician · Aurora, CO
Atsushi Oba, MD is a surgical oncology physician with a practice address in Aurora, Colorado, and NPI 1205719655, issued on Jul 30, 2025. Check the license (Colorado TDP.0041944, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Atsushi Oba
- Credential
- MD
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- TDP.0041944 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1665 Aurora CT, Aurora, CO 80045
- Phone
- (720) 848-0000
- Enumerated
- Jul 30, 2025
- Record last updated
- Dec 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20251212003572); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 27 in Colorado → Look up another NPI →
Also registered at 1665 Aurora CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mathew Angelos, MD, PHDHematology & Oncology Physician1487141149
- Diana Antenucci, NPAdult Health Nurse Practitioner1902583016
- Cynthia Armstrong, PT, DPTPhysical Therapist1730192642
Verify Atsushi Oba in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license TDP.0041944Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University Physicians IncorporatedAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Atsushi Oba among 27 surgical oncology physician records in Colorado
Atsushi Oba, MD is one of 27 surgical oncology physician records with a practice address in Colorado. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 96% of them.
- NPI issued2025 · 96% of these records are older, 0% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 89% of these records are
- Graduated2007 · median 2008 among the 24 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in Colorado
There are 27 surgical oncology physician records in Colorado.
All 27 in Colorado → Every provider in Aurora → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Steven Ahrendt, MDAurora, CO 800451427020734
- Laura Bozzuto, MDAurora, CO 800451841636081
- Marco Del Chiaro, MDAurora, CO 800451487134953
- Mark Eckardt, MDAurora, CO 800451093161614
- Lauren Gamble, M.D.Aurora, CO 800451811342017
- Ana Luiza Gleisner, MDAurora, CO 800451780889204
- John Hamner, MDAurora, CO 800451275750978
- Martin McCarter, MDAurora, CO 800451275627507
Common questions
What is Atsushi Oba, MD's NPI number?
Atsushi Oba, MD's National Provider Identifier (NPI) is 1205719655, issued on Jul 30, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Atsushi Oba, MD located?
The NPPES record lists a practice address at 1665 Aurora CT, Aurora, CO, 80045. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.
How can I verify Atsushi Oba, MD's license?
NPPES lists Colorado license number TDP.0041944, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.