Brian V. Monahan, MD
Colon & Rectal Surgery Physician · Norwalk, CT
Brian V. Monahan, MD is a colon & rectal surgery physician with a practice address in Norwalk, Connecticut, and NPI 1326606690, issued on Jun 3, 2019. Check the license (Connecticut 80590, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Brian V. Monahan
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License numbers
- 80590 CT
MT217949 PA
Self-reported in NPPES; status is on the state search - Practice location
- 34 Maple St, Norwalk, CT 06850
- Phone
- (203) 852-2000
- Enumerated
- Jun 3, 2019
- Record last updated
- Aug 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20251016000867); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 54 in Connecticut → Look up another NPI →
Also registered at 34 Maple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Aamir, MDStudent in an Organized Health Care Education/Training Program1184411332
- Alexander Abadir, MDGastroenterology Physician1811429699
- Erica Acevedo, PA-CPhysician Assistant1093289936
- Bradley Acott, M.D.Student in an Organized Health Care Education/Training Program1689360836
- Laura Aguilar FrancoStudent in an Organized Health Care Education/Training Program1053248237
- Wasin Ahuja, M.D.Hospitalist Physician1932584588
Verify Brian V. Monahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 80590Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
44 Medicare Part D claims for 25 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
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: $39.13
1 payment: food and beverage; the largest payer was Intuitive Surgical, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 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
- Nuvance Health Medical Practice CT IncNorwalk, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian V. Monahan among 54 colon & rectal surgery physician records in Connecticut
Brian V. Monahan, MD is one of 54 colon & rectal surgery physician records with a practice address in Connecticut. 87% 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 98% of them.
- NPI issued2019 · 98% of these records are older, 0% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2019 · median 2004 among the 43 with a school on file
- Record last updated2025 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Connecticut
There are 54 colon & rectal surgery physician records in Connecticut.
All 54 in Connecticut → Every provider in Norwalk → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Ryan Bendl, D.O.Norwalk, CT 068501376858985
- James McClane, M.D.Norwalk, CT 068501730110107
- Andrea Marcus, M.D.Fairfield, CT 068241760877625
- Nicole Saur, M.D.Fairfield, CT 068241902033145
- Scott Thornton, MDFairfield, CT 068241750351995
- Stuart Bussell, M.D.Danbury, CT 068101881636447
- Marc Casasanta, MDDanbury, CT 068101124281530
- John Monson, M.D.Danbury, CT 068101982851119
Common questions
What is Brian V. Monahan, MD's NPI number?
Brian V. Monahan, MD's National Provider Identifier (NPI) is 1326606690, issued on Jun 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Brian V. Monahan, MD located?
The NPPES record lists a practice address at 34 Maple St, Norwalk, CT, 06850. Phone: (203) 852-2000. Providers update this record themselves, so call before visiting.
How can I verify Brian V. Monahan, MD's license?
NPPES lists Connecticut license number 80590, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian V. Monahan, MD prescribe under Medicare Part D?
In 2024, Brian V. Monahan, MD had 44 Medicare Part D claims for 25 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. 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.