Mason Webb, DO
Psychiatry Physician · New Haven, CT
Mason Webb, DO is a psychiatry physician with a practice address in New Haven, Connecticut, and NPI 1780325514, issued on Apr 5, 2022. Check the license (Connecticut 1.084392-DO, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mason Webb
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 1.084392-DO CT
Self-reported in NPPES; status is on the state search - Practice location
- 184 Liberty St, New Haven, CT 06519
- Phone
- (480) 532-4426
- Enumerated
- Apr 5, 2022
- Record last updated
- Jun 11, 2026
- Medicare enrollment
- Enrolled (PECOS I20240619001963); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 184 Liberty St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kyung Heup Ahn, M.D.Psychiatry Physician1750565016
- Orna Alpert, MDPsychiatry Physician1164466769
- Alexis Benedetto, MDChild & Adolescent Psychiatry Physician1548889330
- Eric Brueckner, D.O.Psychiatry Physician1578901328
- Alexa CarolanFamily Nurse Practitioner1043810013
Verify Mason Webb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 1.084392-DOCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average psychiatry physician in 2024
44 Medicare Part D claims for 13 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through one group practice
- Satinder S Purewal MD LLCGlendale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mason Webb among 1,174 psychiatry physician records in Connecticut
Mason Webb, DO is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 96% of them.
- NPI issued2022 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2022 · median 2003 among the 503 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
285 psychiatry physician records list a practice address in New Haven
They are 285 of the 9,793 NPPES records with a practice address in New Haven, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in New Haven → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Orna Alpert, MDNew Haven, CT 065191164466769
- Roger Ayres, M.D.New Haven, CT 065191013975945
- Robert Beech, MDNew Haven, CT 065191821079195
- Zubin Bhagwagar, MD, PHDNew Haven, CT 065191245294867
- Caroline Dumont, MDNew Haven, CT 065191316910441
- Leslie Jacobsen, M.D.New Haven, CT 065191033135835
- Joanne Kurt, MDNew Haven, CT 065191093796872
- Sabina Lim, MDNew Haven, CT 065191851372429
Common questions
What is Mason Webb, DO's NPI number?
Mason Webb, DO's National Provider Identifier (NPI) is 1780325514, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mason Webb, DO located?
The NPPES record lists a practice address at 184 Liberty St, New Haven, CT, 06519. Phone: (480) 532-4426. Providers update this record themselves, so call before visiting.
How can I verify Mason Webb, DO's license?
NPPES lists Connecticut license number 1.084392-DO, 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 Mason Webb, DO prescribe under Medicare Part D?
In 2024, Mason Webb, DO had 44 Medicare Part D claims for 13 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.