Stella Duong-Callahan
Emergency Medicine Physician · Travis Afb, CA
Stella Duong-Callahan is an emergency medicine physician with a practice address in Travis Afb, California, and NPI 1326783747, issued on Apr 29, 2022. Check the license (California A203464, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stella Duong-Callahan
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A203464 CA
77841 MN
Self-reported in NPPES; status is on the state search - Practice location
- 101 Bodin Cir, Travis Afb, CA 94535
- Phone
- (707) 423-3825
- Enumerated
- Apr 29, 2022
- Record last updated
- Jun 18, 2026
- Medicare enrollment
- Enrolled (PECOS I20251127000143); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 101 Bodin Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stella Duong-Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A203464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average emergency medicine physician in 2024
30 Medicare Part D claims for 21 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Stella Duong-Callahan among 7,751 emergency medicine physician records in California
Stella Duong-Callahan is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2022 · median 2011 among the 4,560 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 emergency medicine physician records list a practice address in Travis Afb
They are 42 of the 864 NPPES records with a practice address in Travis Afb, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Travis Afb → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Douglas Alfar, M.D.Travis Afb, CA 945351114986692
- Andrew Beckmann, D.O.Travis Afb, CA 945351972684249
- Teresa Bonzani, MDTravis Afb, CA 945351194713925
- Peter Chen, MDTravis Afb, CA 945351558510248
- John Dutton, M.D.Travis Afb, CA 945351285600346
- Roderick Fontenette, MDTravis Afb, CA 945351164672499
- Michael HamptonTravis Afb, CA 945351649480542
- Linda Lawrence, MDTravis Afb, CA 945351619961430
Common questions
What is Stella Duong-Callahan's NPI number?
Stella Duong-Callahan's National Provider Identifier (NPI) is 1326783747, issued on Apr 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Stella Duong-Callahan located?
The NPPES record lists a practice address at 101 Bodin Cir, Travis Afb, CA, 94535. Phone: (707) 423-3825. Providers update this record themselves, so call before visiting.
How can I verify Stella Duong-Callahan's license?
NPPES lists California license number A203464, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stella Duong-Callahan prescribe under Medicare Part D?
In 2024, Stella Duong-Callahan had 30 Medicare Part D claims for 21 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.