NPPES file of Aug 9, 2026

William Neil Pearson, MD

Cardiovascular Disease Physician · Southbury, CT

William Neil Pearson, MD is a cardiovascular disease physician with a practice address in Southbury, Connecticut, and NPI 1255374112, issued on Jun 14, 2006. Check the license (Connecticut 25203, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255374112
Name
William Neil Pearson
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
25203 CT
Self-reported in NPPES; status is on the state search
Practice location
30 Quaker Farms RD, Southbury, CT 06488
Phone
(203) 264-5911
Enumerated
Jun 14, 2006
Record last updated
Dec 12, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(203) 264-9177
Medicaid ID
1252030 CT
Medicare enrollment
Enrolled (PECOS I20040609000313); accepts Medicare assignment
Medical or professional school
University Of Connecticut School Of Medicine, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 30 Quaker Farms RD

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

  1. Anthony Carbonella, D.M.D.Orthodontics and Dentofacial Orthopedics Dentistry1366730798
  2. Stephen Dibenedetto, D.D.S.General Practice Dentistry1811125578
  3. Madeleine Kitaj, M.D.Neurology Physician1881609451
  4. Edward Kravitz, PHDClinical Psychologist1295774321
  5. Colleen Linari, APRN, RNFamily Nurse Practitioner1972845147

Verify William Neil Pearson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 25203
    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.

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72% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

861 Medicare Part D claims for 229 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. William Pearson861
  2. Specialty average3,078

Most prescribed

  1. Eliquis93 claims
  2. Metoprolol Succinate73 claims
  3. Atorvastatin Calcium65 claims
  4. Carvedilol51 claims
  5. Amlodipine Besylate50 claims
  6. Clopidogrel48 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.

Industry payments in 2024: $72.28

3 payments; by number, the most common kind was food and beverage; the largest payer was Baxter Healthcare. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Pearson$72.28
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Diagnostic Imaging OF SouthburySouthbury, CT
  2. Hartford Healthcare Medical Group Specialists PLLCStorrs, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cardiovascular Disease Physician providers in Connecticut

There are 503 cardiovascular disease physician records in Connecticut.

Other cardiovascular disease physician records in Connecticut

  1. Khaled AbazaMiddletown, CT1255986121
  2. Binny Abraham, M.D.New Haven, CT1760657647
  3. Joseph Abreu, MDTorrington, CT1003996240
  4. Arun Agarwal, M.D.New Britain, CT1326226044
  5. Sneha Agarwalla, MDBloomfield, CT1801245162
  6. Elliot Agin, M.D.Milford, CT1790729093
  7. Tariq Ahmad, M.D.New Haven, CT1104955699
  8. Zain Ahmed, M.D.Wallingford, CT1952782567
  9. Keshava Aithal, MDMiddletown, CT1811005713
  10. Joseph Akar, MDNew Haven, CT1558430058

Common questions

What is William Neil Pearson, MD's NPI number?

William Neil Pearson, MD's National Provider Identifier (NPI) is 1255374112, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Neil Pearson, MD located?

The NPPES record lists a practice address at 30 Quaker Farms RD, Southbury, CT, 06488. Phone: (203) 264-5911. Providers update this record themselves, so call before visiting.

How can I verify William Neil Pearson, MD's license?

NPPES lists Connecticut license number 25203, 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 William Neil Pearson, MD prescribe under Medicare Part D?

In 2024, William Neil Pearson, MD had 861 Medicare Part D claims for 229 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.