Mary T. Brennan, APRN
Acute Care Nurse Practitioner · Farmington, CT
Mary T. Brennan, APRN is an acute care nurse practitioner with a practice address in Farmington, Connecticut, and NPI 1497855274, issued on Sep 22, 2006. Check the license (Connecticut 002561, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary T. Brennan
- Credential
- APRN
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 002561 CT
Self-reported in NPPES; status is on the state search - Practice location
- 263 Farmington Ave, Farmington, CT 06030
- Phone
- (860) 679-3107
- Enumerated
- Sep 22, 2006
- Record last updated
- May 6, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (860) 679-1843
- Medicaid ID
- 1497855274 CT
- Medicare enrollment
- Enrolled (PECOS I20040414000340); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 368 in Connecticut → Look up another NPI →
Also registered at 263 Farmington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nour Abdallah, MDStudent in an Organized Health Care Education/Training Program1225882509
- Omar Abdelatey, DDSStudent in an Organized Health Care Education/Training Program1700672789
- Samira AbdelrehimStudent in an Organized Health Care Education/Training Program1225823743
- Reham AbdelsalamStudent in an Organized Health Care Education/Training Program1578143707
- Ezzat Abdoun, DDSStudent in an Organized Health Care Education/Training Program1962630905
- Arif Salman Abdul Shakore, B.D.S., M.D.S.Student in an Organized Health Care Education/Training Program1750797387
Verify Mary T. Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 002561Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
94 Medicare Part D claims for 23 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Haloperidol Lactate19 claims
- Lorazepam17 claims
- Atropine Sulfate15 claims
- Morphine Sulfate15 claims
- Prochlorperazine Maleate12 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): 86.4 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).
One hospital affiliation
- Hartford HospitalHartford, CT · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mary T. Brennan among 368 acute care nurse practitioner records in Connecticut
Mary T. Brennan, APRN is one of 368 acute care nurse practitioner records with a practice address in Connecticut. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 89% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2001 · median 2018 among the 273 with a school on file
- Record last updated2013 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 acute care nurse practitioner records list a practice address in Farmington
They are 35 of the 2,993 NPPES records with a practice address in Farmington, and 368 acute care nurse practitioner records in Connecticut.
All 368 in Connecticut → Every provider in Farmington → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Barbara Baron, APRNFarmington, CT 060301114083078
- Wendi Carroll, APRNFarmington, CT 060301871697482
- Marlene Culley, APRNFarmington, CT 060301417005786
- Tammy Davino, APRNFarmington, CT 060301013166685
- Michelle Delayo, APRNFarmington, CT 060301811053721
- Damaris Figueroa, APRNFarmington, CT 060301164790887
- Jamie Gooch, APRNFarmington, CT 060301871878090
- Mi Hong, APRNFarmington, CT 060301144539131
Common questions
What is Mary T. Brennan, APRN's NPI number?
Mary T. Brennan, APRN's National Provider Identifier (NPI) is 1497855274, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary T. Brennan, APRN located?
The NPPES record lists a practice address at 263 Farmington Ave, Farmington, CT, 06030. Phone: (860) 679-3107. Providers update this record themselves, so call before visiting.
How can I verify Mary T. Brennan, APRN's license?
NPPES lists Connecticut license number 002561, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Mary T. Brennan, APRN prescribe under Medicare Part D?
In 2024, Mary T. Brennan, APRN had 94 Medicare Part D claims for 23 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
What is Mary T. Brennan, APRN's MIPS final score?
The 2023 MIPS final score is 86.4 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.