Brian T. Agganis, M.D.
Internal Medicine Physician · Aurora, CO
Brian T. Agganis, M.D. is an internal medicine physician with a practice address in Aurora, Colorado, and NPI 1104204072, issued on May 12, 2015. Check the license (Colorado DR.0064653, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brian T. Agganis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- DR.0064653 CO
56341 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2550 S Parker RD, Aurora, CO 80014
- Phone
- (303) 338-4545
- Enumerated
- May 12, 2015
- Record last updated
- Jan 26, 2024
- Medicaid ID
- 9000183975 CO
- Medicare enrollment
- Enrolled (PECOS I20200803000244); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 2550 S Parker RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa AeschlemanClinical Social Worker1356859755
- Sarah Alber, NPFamily Nurse Practitioner1801126263
- Sharon AlmonObstetrics & Gynecology Physician1821132697
- Madai Arreola, LPNLicensed Practical Nurse1598099566
- Erin Baker, RNRegistered Nurse1457741951
- Heather BakerFamily Nurse Practitioner1033656848
Verify Brian T. Agganis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0064653Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
565 Medicare Part D claims for 135 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Atorvastatin Calcium33 claims
- Amlodipine Besylate28 claims
- Lisinopril24 claims
- Metoprolol Succinate23 claims
- Furosemide22 claims
- Gabapentin21 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.2 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).
Bills Medicare through one group practice
- Colorado Permanente Medical Group PCAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian T. Agganis among 2,046 internal medicine physician records in Colorado
Brian T. Agganis, M.D. is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 79% of them.
- NPI issued2015 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2015 · median 2006 among the 1,090 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
244 internal medicine physician records list a practice address in Aurora
They are 244 of the 17,400 NPPES records with a practice address in Aurora, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Aurora → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vincent Adamo, M.D.Aurora, CO 800141548244569
- Joseph Alisky, MD PHDAurora, CO 800141811004161
- Cherry Delosreyes, MDAurora, CO 800141629013057
- Raymond Gaspari, MDAurora, CO 800141548221310
- Anthony Leo, M.D.Aurora, CO 800141740241934
- Wayne Miller, M.D.Aurora, CO 800141215937115
- Lynda Nguyen, MDAurora, CO 800141922185586
- John PappasAurora, CO 800141912040494
Common questions
What is Brian T. Agganis, M.D.'s NPI number?
Brian T. Agganis, M.D.'s National Provider Identifier (NPI) is 1104204072, issued on May 12, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Brian T. Agganis, M.D. located?
The NPPES record lists a practice address at 2550 S Parker RD, Aurora, CO, 80014. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Brian T. Agganis, M.D.'s license?
NPPES lists Colorado license number DR.0064653, 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.
How much does Brian T. Agganis, M.D. prescribe under Medicare Part D?
In 2024, Brian T. Agganis, M.D. had 565 Medicare Part D claims for 135 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Brian T. Agganis, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.2 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), 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.