Margaret M. Bason, MD
Dermatology Physician · Simsbury, CT
Margaret M. Bason, MD is a dermatology physician with a practice address in Simsbury, Connecticut, and NPI 1326149238, issued on Sep 25, 2006. Check the license (Connecticut 033798, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Margaret M. Bason
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 033798 CT
Self-reported in NPPES; status is on the state search - Practice location
- 225 Hopmeadow Street, Simsbury, CT 06089
- Phone
- (860) 651-1766
- Enumerated
- Sep 25, 2006
- Record last updated
- Dec 16, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050509001027); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 253 in Connecticut → Look up another NPI →
Verify Margaret M. Bason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 033798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average dermatology physician in 2024
102 Medicare Part D claims for 44 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluocinonide13 claims
- Clindamycin Phosphate11 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.
Margaret M. Bason among 253 dermatology physician records in Connecticut
Margaret M. Bason, MD 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 2006, is newer than 19% of them.
- NPI issued2006 · 19% of these records are older, 49% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1988 · median 2004 among the 180 with a school on file
- Record last updated2011 · 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 Simsbury → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Edward Benjamin, M.D.Enfield, CT 060821780737262
- Meagen McCusker, M.D.Enfield, CT 060821861651432
- Lauren Daman, MDHartford, CT 061061053489864
- Dean George, M.D.Hartford, CT 061061497160535
- Wendy Levinbook, M.D.West Hartford, CT 061071528064722
- Robert Nathanson, M.D.West Hartford, CT 061071568481877
- Elliot Zweig, M.D.West Hartford, CT 061071992982094
- Lawrence Fortier, M.D.Wethersfield, CT 061091972592822
Common questions
What is Margaret M. Bason, MD's NPI number?
Margaret M. Bason, MD's National Provider Identifier (NPI) is 1326149238, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret M. Bason, MD located?
The NPPES record lists a practice address at 225 Hopmeadow Street, Simsbury, CT, 06089. Phone: (860) 651-1766. Providers update this record themselves, so call before visiting.
How can I verify Margaret M. Bason, MD's license?
NPPES lists Connecticut license number 033798, 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 Margaret M. Bason, MD prescribe under Medicare Part D?
In 2024, Margaret M. Bason, MD had 102 Medicare Part D claims for 44 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
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.