Registry data as of Aug 27, 2026

Diana Richardson, MD

Neurology Physician · New Haven, CT

Diana Richardson, MD is a neurology physician with a practice address in New Haven, Connecticut, and NPI 1437245487, issued on Oct 5, 2006. Check the license (Connecticut 004504, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1437245487
Name
Diana Richardson
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
004504 CT
Self-reported in NPPES; status is on the state search
Practice location
800 Howard Ave, New Haven, CT 06519
Phone
(203) 785-2140
Enumerated
Oct 5, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 800 Howard Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sonya Abdel-Razeq, MDObstetrics & Gynecology Physician1265415350
  2. Edouard Aboian, M.D.Vascular Surgery Physician1588830566
  3. Lynn Acton, MSSpeech-Language Pathologist1205817889
  4. Joseph Agostini, MDGeriatric Medicine (Internal Medicine) Physician1104832146
  5. Nita Ahuja, M.D.Surgery Physician1093779308
  6. Christina Allen, MDOrthopaedic Surgery Physician1841242351

Verify Diana Richardson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 004504
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

98% fewer Medicare Part D claims than the average neurology physician in 2024

29 Medicare Part D claims, against an average of 1,356 among the 13,714 providers of this specialty who prescribed in Part D.

  1. Diana Richardson29
  2. Specialty average1,356

Most prescribed

  1. Carbidopa-Levodopa15 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.

105 neurology physician records list a New Haven practice address

They are 105 of the 9,793 NPPES records with a New Haven practice address, and 322 neurology physician records in Connecticut.

Other neurology physician records in Connecticut

  1. Wasan Abd Wahab, M.D.New Haven, CT1881380053
  2. Swetha Ade, M.D.Hartford, CT1801155296
  3. Ashish Adlakha, MDFarmington, CT1639344120
  4. Idaira Aguilar Tejedor, M.D.Stratford, CT1356758387
  5. Anees Ahmed, MDManchester, CT1184692089
  6. Mohammed Al-Dulaimi, M.D.New Haven, CT1366995185
  7. Stephanie Alessi-Larosa, M.D., M.P.H.Hartford, CT1255742326
  8. Syed Musadiq Ali, MDHartford, CT1376276477
  9. Hardik Amin, M.D.Hartford, CT1679716195
  10. Susan Arnold, MDNew Haven, CT1720040587

Common questions

What is Diana Richardson, MD's NPI number?

Diana Richardson, MD's National Provider Identifier (NPI) is 1437245487, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diana Richardson, MD located?

The NPPES record lists a practice address at 800 Howard Ave, New Haven, CT, 06519. Phone: (203) 785-2140. Providers update this record themselves, so call before visiting.

How can I verify Diana Richardson, MD's license?

NPPES lists Connecticut license number 004504, 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 Diana Richardson, MD prescribe under Medicare Part D?

In 2024, Diana Richardson, MD had 29 Medicare Part D claims; the average among neurology physician prescribers was 1,356. Part D covers Medicare prescriptions only.

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.