Marc Joseph Casasanta, MD
Colon & Rectal Surgery Physician · Danbury, CT
Marc Joseph Casasanta, MD is a colon & rectal surgery physician with a practice address in Danbury, Connecticut, and NPI 1124281530, issued on Jul 7, 2008. Check the license (Connecticut 61554, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marc Joseph Casasanta
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License numbers
- 61554 CT
279342 NY
Self-reported in NPPES; status is on the state search - Practice location
- 111 Osborne St Ste 111, Danbury, CT 06810
- Phone
- (203) 739-7131
- Enumerated
- Jul 7, 2008
- Record last updated
- Jun 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (203) 739-1554
- Medicare enrollment
- Enrolled (PECOS I20180801000340); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2008
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 54 in Connecticut → Look up another NPI →
Verify Marc Joseph Casasanta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 61554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
137 Medicare Part D claims for 64 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf35 claims
- Metronidazole31 claims
- Neomycin Sulfate28 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 MIPS final score for 2023 (Medicare payment program): 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $320.18
3 payments; by number, the most common kind was food and beverage; the largest payer was Axonics, 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 2 group practices
- Nuvance Health Medical Practice CT IncDanbury, CT
- Nuvance Health Medical Practice PCCarmel, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Joseph Casasanta among 54 colon & rectal surgery physician records in Connecticut
Marc Joseph Casasanta, 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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 37% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2008 · median 2004 among the 43 with a school on file
- Record last updated2018 · 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 Danbury → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Stuart Bussell, M.D.Danbury, CT 068101881636447
- John Monson, M.D.Danbury, CT 068101982851119
- Andrea Marcus, M.D.Fairfield, CT 068241760877625
- Nicole Saur, M.D.Fairfield, CT 068241902033145
- Scott Thornton, MDFairfield, CT 068241750351995
- Ryan Bendl, D.O.Norwalk, CT 068501376858985
- James McClane, M.D.Norwalk, CT 068501730110107
- Brian Monahan, MDNorwalk, CT 068501326606690
Common questions
What is Marc Joseph Casasanta, MD's NPI number?
Marc Joseph Casasanta, MD's National Provider Identifier (NPI) is 1124281530, issued on Jul 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Marc Joseph Casasanta, MD located?
The NPPES record lists a practice address at 111 Osborne St Ste 111, Danbury, CT, 06810. Phone: (203) 739-7131. Providers update this record themselves, so call before visiting.
How can I verify Marc Joseph Casasanta, MD's license?
NPPES lists Connecticut license number 61554, 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 Marc Joseph Casasanta, MD prescribe under Medicare Part D?
In 2024, Marc Joseph Casasanta, MD had 137 Medicare Part D claims for 64 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is Marc Joseph Casasanta, MD's MIPS final score?
The 2023 MIPS final score is 94.2 of 100. 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.