Aaron Johansen, MD
Emergency Medicine Physician · Oka Tamuning, GU
Aaron Johansen, MD is an emergency medicine physician with a practice address in Oka Tamuning, Guam, and NPI 1639226863, issued on Jan 3, 2007. Check the license (Guam M001271, as entered in NPPES) with the Guam board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Aaron Johansen
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- M001271 GU
Self-reported in NPPES; status is on the state search - Practice location
- 850 Governor Carlos Camacho Road, Oka Tamuning, GU 96913
- Phone
- (671) 647-2418
- Enumerated
- Jan 3, 2007
- Entity
- Type 1 · individual
Also registered at 850 Governor Carlos Camacho Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alix Chenet, MDInternal Medicine Physician1669530507
- John Garrido, MDPediatrics Physician1720135429
- Tedd Groshong, DOEmergency Medical Services (Emergency Medicine) Physician1831246065
- Robert Kwok, MDDiagnostic Radiology Physician1710043609
- James Last, MDEmergency Medicine Physician1760539472
- Arthur Loerzel, MD FCAPAnatomic Pathology Physician1851448096
Verify Aaron Johansen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Guam board licenses this profession
Search for license M001271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
The practice group's Medicare quality score for 2023: 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
2 emergency medicine physician records list a Oka Tamuning practice address
They are 2 of the 13 NPPES records with a Oka Tamuning practice address, and 23 emergency medicine physician records in Guam.
All 2 in Oka Tamuning → All 23 in Guam → Every provider in Oka Tamuning →
Other emergency medicine physician records in Guam
- Jessica ArrottAgana Heights, GU1902365737
- Thomas Baugh, D.O.Agana Heights, GU1255302485
- Anthony Bekkerman, M.D.Dededo, GU1164522819
- Christopher Chisholm, MDAgana Heights, GU1407836075
- Taylor Desrosiers, MD, MBAAgana Heights, GU1205176773
- Eric Greenfield, D.OTamuning, GU1457558025
- Kathryn Guffrey, M.D.Dededo, GU1144512252
- John Haggerty, D.O.Agana Heights, GU1427395326
- Sarah Haley-Wien, D.O.Dededo, GU1538242292
- Brian Harris, M.D.Dededo, GU1982611950
Common questions
What is Aaron Johansen, MD's NPI number?
Aaron Johansen, MD's National Provider Identifier (NPI) is 1639226863, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Johansen, MD located?
The NPPES record lists a practice address at 850 Governor Carlos Camacho Road, Oka Tamuning, GU, 96913. Phone: (671) 647-2418. Providers update this record themselves, so call before visiting.
How can I verify Aaron Johansen, MD's license?
NPPES lists Guam license number M001271, as entered by the provider. Search the Guam board that licenses this profession; the NPPES record confirms identity only.
What is Aaron Johansen, MD's Medicare quality score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.