Danya J. Rosen, M.D.
Pediatric Gastroenterology Physician · Greenwich, CT
Danya J. Rosen, M.D. is a pediatric gastroenterology physician with a practice address in Greenwich, Connecticut, and NPI 1104068022, issued on Mar 25, 2009. Check the license (Connecticut 54270, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Danya J. Rosen
- Credential
- M.D.
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License numbers
- 54270 CT
260390 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5 Perryridge RD, Greenwich, CT 06830
- Phone
- (203) 785-4649
- Enumerated
- Mar 25, 2009
- Record last updated
- Jun 23, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (203) 737-1384
- Medicare enrollment
- Enrolled (PECOS I20150813011933); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2009
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 32 in Connecticut → Look up another NPI →
Also registered at 5 Perryridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Diana Adams, M.D.Maternal & Fetal Medicine Physician1255300653
- Saheeb AhmedStudent in an Organized Health Care Education/Training Program1326626748
- Rachel Alfandre, LCSWClinical Social Worker1497077259
- Vicki Altmeyer, M.D.Anatomic Pathology & Clinical Pathology Physician1700807898
Verify Danya J. Rosen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 54270Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Danya J. Rosen among 32 pediatric gastroenterology physician records in Connecticut
Danya J. Rosen, M.D. is one of 32 pediatric gastroenterology physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 41% of them.
- NPI issued2009 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2009 · median 2004 among the 15 with a school on file
- Record last updated2015 · 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 2080P0206X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in Connecticut
There are 32 pediatric gastroenterology physician records in Connecticut.
All 32 in Connecticut → Every provider in Greenwich → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Annette Vannilam, MDWestport, CT 068801275972952
- Kim-Doan Nguyen, M.D.Stamford, CT 069051235371386
- Uma Phatak, MDNew Haven, CT 065201619084365
- Rima Fawaz, MDNew Haven, CT 065191215918123
- Arik Alper, M.D.New Haven, CT 065101366715351
- Ricardo Arbizu Alvarez, M.D.New Haven, CT 065101417107285
- Eric Gershon, MDNew Haven, CT 065101124683081
- Alexander Koral, MDNew Haven, CT 065101215231238
Common questions
What is Danya J. Rosen, M.D.'s NPI number?
Danya J. Rosen, M.D.'s National Provider Identifier (NPI) is 1104068022, issued on Mar 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Danya J. Rosen, M.D. located?
The NPPES record lists a practice address at 5 Perryridge RD, Greenwich, CT, 06830. Phone: (203) 785-4649. Providers update this record themselves, so call before visiting.
How can I verify Danya J. Rosen, M.D.'s license?
NPPES lists Connecticut license number 54270, 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.
What is Danya J. Rosen, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. 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.