Margaret Anne Macgibeny, MD, PHD
Dermatology Physician · New Haven, CT
Margaret Anne Macgibeny, MD, PHD is a dermatology physician with a practice address in New Haven, Connecticut, and NPI 1124604996, issued on Mar 22, 2021. Check the license (Connecticut 80447, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Margaret Anne Macgibeny
- Credential
- MD, PHD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 80447 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 688-4242
- Enumerated
- Mar 22, 2021
- Record last updated
- Jul 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20250924003932); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 2021
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 253 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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- Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
- Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
- Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
- Sarah AbdallahPsychiatry Physician1740800952
- Usama Abdelghany, PHARM DOncology Pharmacist1548827843
Verify Margaret Anne Macgibeny in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 80447Check 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 2 group practices
- Cornell Scott Hill Health CorporationNew Haven, CT
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Anne Macgibeny among 253 dermatology physician records in Connecticut
Margaret Anne Macgibeny, MD, PHD is one of 253 dermatology physician records with a practice address in Connecticut. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.
- NPI issued2021 · 93% of these records are older, 3% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2021 · median 2004 among the 180 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Connecticut
There are 253 dermatology physician records in Connecticut.
All 253 in Connecticut → Every provider in New Haven → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Jean Bolognia, MDNew Haven, CT 065101942291331
- Irwin Braverman, MDNew Haven, CT 065101669453445
- Christopher Bunick, M.D., PH.D.New Haven, CT 065101457527442
- Sean Christensen, MDNew Haven, CT 065101962685073
- Shawn Cowper, MDNew Haven, CT 065101396736773
- Richard Edelson, MDNew Haven, CT 065101639160013
- Michael Girardi, MDNew Haven, CT 065101154302842
- Peter Heald, MDNew Haven, CT 065101376534784
Common questions
What is Margaret Anne Macgibeny, MD, PHD's NPI number?
Margaret Anne Macgibeny, MD, PHD's National Provider Identifier (NPI) is 1124604996, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Anne Macgibeny, MD, PHD located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.
How can I verify Margaret Anne Macgibeny, MD, PHD's license?
NPPES lists Connecticut license number 80447, 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.