Mark Xavier Cicero, MD
Pediatric Emergency Medicine (Pediatrics) Physician · New Haven, CT
Mark Xavier Cicero, MD is a pediatric emergency medicine (pediatrics) physician with a practice address in New Haven, Connecticut, and NPI 1548315823, issued on Jan 24, 2007. Check the license (Connecticut FELLOWTRAININGLICENS, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark Xavier Cicero
- Credential
- MD
- Primary taxonomy
- Pediatric Emergency Medicine (Pediatrics) Physician 2080P0204X
- License number
- FELLOWTRAININGLICENS CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06504
- Phone
- (203) 688-7970
- Enumerated
- Jan 24, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatric emergency medicine (pediatrics) physician records → All 50 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Xavier Cicero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license FELLOWTRAININGLICENSCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $105.00
3 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Becton, Dickinson and Company. The 223 providers of this specialty with any payment received $333.66 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.
Mark Xavier Cicero among 50 pediatric emergency medicine (pediatrics) physician records in Connecticut
Mark Xavier Cicero, MD is one of 50 pediatric emergency medicine (pediatrics) physician records with a practice address in Connecticut. 18% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 36% of them.
- NPI issued2007 · 36% of these records are older, 52% newer
- In a Medicare fileYes · 18% of these records are
- In the CMS Doctors and Clinicians fileNo · 20% of these records are
- Record last updated2007 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0204X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Emergency Medicine (Pediatrics) Physician providers in Connecticut
There are 50 pediatric emergency medicine (pediatrics) physician records in Connecticut.
All 50 in Connecticut → Every provider in New Haven → Pediatric Emergency Medicine (Pediatrics) Physician nationwide →
The 8 pediatric emergency medicine (pediatrics) physician records with the nearest ZIP codes
- Joshua Beiner, M.D.New Haven, CT 065041508162827
- Sofia Grigoria Athanasopoulou, M.D.New Haven, CT 065101518522945
- Marc Auerbach, MDNew Haven, CT 065101679623839
- Carl Baum, MDNew Haven, CT 065101740261049
- Kirsten Bechtel, MDNew Haven, CT 065101477536688
- Sonali Bhalodkar, M.D.New Haven, CT 065101790217057
- Raymond Cai, MDNew Haven, CT 065101235698127
- Isabel Gross, M.D., PHD, MPHNew Haven, CT 065101437413796
Common questions
What is Mark Xavier Cicero, MD's NPI number?
Mark Xavier Cicero, MD's National Provider Identifier (NPI) is 1548315823, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Xavier Cicero, MD located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06504. Phone: (203) 688-7970. Providers update this record themselves, so call before visiting.
How can I verify Mark Xavier Cicero, MD's license?
NPPES lists Connecticut license number FELLOWTRAININGLICENS, 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.