Andrea Rachel Marcus, M.D.
Colon & Rectal Surgery Physician · Fairfield, CT
Andrea Rachel Marcus, M.D. is a colon & rectal surgery physician with a practice address in Fairfield, Connecticut, and NPI 1760877625, issued on Mar 30, 2015. Check the license (Connecticut 79046, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Andrea Rachel Marcus
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- 79046 CT
Self-reported in NPPES; status is on the state search - Practice location
- 425 Post RD FL 1, Fairfield, CT 06824
- Phone
- (475) 210-4727
- Enumerated
- Mar 30, 2015
- Record last updated
- Nov 15, 2024
- Fax
- (475) 210-4729
- Medicare enrollment
- Enrolled (PECOS I20241101000609); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 54 in Connecticut → Look up another NPI →
Also registered at 425 Post RD FL 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Saur, M.D.Colon & Rectal Surgery Physician1902033145
Verify Andrea Rachel Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 79046Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Hartford Healthcare Medical Group Specialists PLLCStorrs, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrea Rachel Marcus among 54 colon & rectal surgery physician records in Connecticut
Andrea Rachel Marcus, M.D. 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 2015, is newer than 89% of them.
- NPI issued2015 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2015 · median 2004 among the 43 with a school on file
- Record last updated2024 · 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 Fairfield → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- 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
- Ryan Bendl, D.O.Norwalk, CT 068501376858985
- James McClane, M.D.Norwalk, CT 068501730110107
- Brian Monahan, MDNorwalk, CT 068501326606690
Common questions
What is Andrea Rachel Marcus, M.D.'s NPI number?
Andrea Rachel Marcus, M.D.'s National Provider Identifier (NPI) is 1760877625, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Andrea Rachel Marcus, M.D. located?
The NPPES record lists a practice address at 425 Post RD FL 1, Fairfield, CT, 06824. Phone: (475) 210-4727. Providers update this record themselves, so call before visiting.
How can I verify Andrea Rachel Marcus, M.D.'s license?
NPPES lists Connecticut license number 79046, 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.
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.