Brian Duffy
Internal Medicine Physician · Houston, TX
Brian Duffy is an internal medicine physician with a practice address in Houston, Texas, and NPI 1417451030, issued on Mar 20, 2018. Check the license (Texas T0772, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brian Duffy
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- T0772 TX
53499 AL
80203 AZ
CDR.0006624 CO
C1-0029319 DE
and 10 more
Self-reported in NPPES; status is on the state search - Practice location
- 1201 Fannin St Ste 262, Houston, TX 77002
- Phone
- (866) 849-0692
- Enumerated
- Mar 20, 2018
- Record last updated
- May 22, 2026
- Medicare enrollment
- Enrolled (PECOS I20210720001528); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1201 Fannin St Ste 262
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seethu Abraham, FNP-CFamily Medicine Physician1821570458
- Stella AzieFamily Nurse Practitioner1235645250
- Laura BowmanPsychiatric/Mental Health Nurse Practitioner1407679608
- Claire Campbell, M.D.Geriatric Medicine (Internal Medicine) Physician1477842094
- Marilyn Canales, APRN, FNP-CFamily Nurse Practitioner1083183347
- Latoya Chamberlain, APRN, FNP-BCFamily Nurse Practitioner1376187484
Verify Brian Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T0772Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
157 Medicare Part D claims for 33 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide12 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): 74.6 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
- University OF Texas Southwestern Medical Center AT DallasDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Duffy among 9,175 internal medicine physician records in Texas
Brian Duffy is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2021 · median 2004 among the 6,088 with a school on file
- Record last updated2026 · 49% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Keith Aldinger, M.D. MBRHouston, TX 770021235116633
- Raymond Alexander, MD PAHouston, TX 770021609852235
- Jennifer Johnson-Caldwell, MDHouston, TX 770021093711269
- Luda Kamenetsky, M.D.Houston, TX 770021447235502
- Chok Lee, M.D.Houston, TX 770021568416212
- Dan Lotan, MDHouston, TX 770021801882923
- Deborah McCoy, MDHouston, TX 770021649387002
- Shreekant Patolia, MDHouston, TX 770021689692477
Common questions
What is Brian Duffy's NPI number?
Brian Duffy's National Provider Identifier (NPI) is 1417451030, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Brian Duffy located?
The NPPES record lists a practice address at 1201 Fannin St Ste 262, Houston, TX, 77002. Phone: (866) 849-0692. Providers update this record themselves, so call before visiting.
How can I verify Brian Duffy's license?
NPPES lists Texas license number T0772, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian Duffy prescribe under Medicare Part D?
In 2024, Brian Duffy had 157 Medicare Part D claims for 33 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Brian Duffy's MIPS final score?
The 2023 MIPS final score is 74.6 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.