David Hahn, MD
Neurology Physician · Greenwich, CT
David Hahn, MD is a neurology physician with a practice address in Greenwich, Connecticut, and NPI 1053625459, issued on Jul 28, 2010. Check the license (Connecticut 54629, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David Hahn
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 54629 CT
ME134710 FL
4301114366 MI
19408 NH
Self-reported in NPPES; status is on the state search - Practice location
- 115 Mason St Ste 1, Greenwich, CT 06830
- Phone
- (203) 276-4464
- Enumerated
- Jul 28, 2010
- Entity
- Type 1 · individual
Also registered at 115 Mason St Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Hahn, M.D.Psychiatry Physician1750543864
Verify David Hahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 54629Check 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 Medicare quality score for 2023: 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
3 hospital and facility affiliations
- Midstate Medical CenterMeriden, CT · Acute Care Hospitals4 of 5 stars
- East Post Road Medical Services PCWhite Plains, NY
- The Hospital OF Central Connecticut AT New Britain General And BradleyNew Britain, CT
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Neurology Physician providers in Connecticut
There are 322 neurology physician records in Connecticut.
Other neurology physician records in Connecticut
- Wasan Abd Wahab, M.D.New Haven, CT1881380053
- Swetha Ade, M.D.Hartford, CT1801155296
- Ashish Adlakha, MDFarmington, CT1639344120
- Idaira Aguilar Tejedor, M.D.Stratford, CT1356758387
- Anees Ahmed, MDManchester, CT1184692089
- Mohammed Al-Dulaimi, M.D.New Haven, CT1366995185
- Stephanie Alessi-Larosa, M.D., M.P.H.Hartford, CT1255742326
- Syed Musadiq Ali, MDHartford, CT1376276477
- Hardik Amin, M.D.Hartford, CT1679716195
- Susan Arnold, MDNew Haven, CT1720040587
Common questions
What is David Hahn, MD's NPI number?
David Hahn, MD's National Provider Identifier (NPI) is 1053625459, issued on Jul 28, 2010. An NPI identifies a provider in billing; it is not a license.
Where is David Hahn, MD located?
The NPPES record lists a practice address at 115 Mason St Ste 1, Greenwich, CT, 06830. Phone: (203) 276-4464. Providers update this record themselves, so call before visiting.
How can I verify David Hahn, MD's license?
NPPES lists Connecticut license number 54629, 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 David Hahn, MD's Medicare quality score?
The 2023 MIPS final score is 94.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.