Brian Brennan, FNP-C
Family Nurse Practitioner · Saint Louis, MO
Brian Brennan, FNP-C is a family nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1487298725, issued on Oct 30, 2019. Check the license (Missouri 2019001501, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brian Brennan
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2019001501 MO
Self-reported in NPPES; status is on the state search - Practice location
- 6155 S Grand Blvd, Saint Louis, MO 63111
- Phone
- (314) 652-0100
- Enumerated
- Oct 30, 2019
- Record last updated
- Apr 7, 2026
- Medicare enrollment
- Enrolled (PECOS I20210310001746); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Also registered at 6155 S Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brian Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2019001501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% more Medicare Part D claims than the average family nurse practitioner in 2024
2,459 Medicare Part D claims for 99 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium77 claims
- Amlodipine Besylate75 claims
- Biktarvy68 claims
- Lisinopril62 claims
- Gabapentin60 claims
- Alprazolam54 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.
Industry payments in 2024: $2,886.67
155 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Novus Health IncSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Brennan among 5,226 family nurse practitioner records in Missouri
Brian Brennan, FNP-C is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 59% of them.
- NPI issued2019 · 59% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2018 among the 3,339 with a school on file
- Record last updated2026 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
714 family nurse practitioner records list a practice address in Saint Louis
They are 714 of the 27,605 NPPES records with a practice address in Saint Louis, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Saint Louis → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Alexis Anderson, FNP-CSaint Louis, MO 631111588395859
- Kieran Quigley, FNPSaint Louis, MO 631111760621213
- Kathryn Rudy, FNPSaint Louis, MO 631111124601463
- Kenya Shotwell, FNP-BCSaint Louis, MO 631111740735885
- Heather Wade, ARNPSaint Louis, MO 631111164799540
- Jacquelyn Watson, FNP-CSaint Louis, MO 631111457724866
- Jessica Whitchurch, DNP, APRN, FNP-BCSaint Louis, MO 631111700433695
- Sabina Aderibigbe, FNPSaint Louis, MO 631121952507873
Common questions
What is Brian Brennan, FNP-C's NPI number?
Brian Brennan, FNP-C's National Provider Identifier (NPI) is 1487298725, issued on Oct 30, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Brian Brennan, FNP-C located?
The NPPES record lists a practice address at 6155 S Grand Blvd, Saint Louis, MO, 63111. Phone: (314) 652-0100. Providers update this record themselves, so call before visiting.
How can I verify Brian Brennan, FNP-C's license?
NPPES lists Missouri license number 2019001501, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Brian Brennan, FNP-C prescribe under Medicare Part D?
In 2024, Brian Brennan, FNP-C had 2,459 Medicare Part D claims for 99 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.