William Marcus Eckerd, M.D.
Psychiatry Physician · Norwalk, CT
William Marcus Eckerd, M.D. is a psychiatry physician with a practice address in Norwalk, Connecticut, and NPI 1780740365, issued on Dec 28, 2006. Check the license (Connecticut 022823, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William Marcus Eckerd
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 022823 CT
Self-reported in NPPES; status is on the state search - Practice location
- 24 Stevens St, Norwalk, CT 06850
- Phone
- (203) 852-2293
- Enumerated
- Dec 28, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (203) 855-3985
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 24 Stevens St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Marcus Eckerd in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 022823Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average psychiatry physician in 2024
655 Medicare Part D claims for 28 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Sertraline Hcl54 claims
- Divalproex Sodium43 claims
- Olanzapine Odt36 claims
- Quetiapine Fumarate34 claims
- Trazodone Hcl34 claims
- Gabapentin30 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: $127.55
1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Marcus Eckerd among 1,174 psychiatry physician records in Connecticut
William Marcus Eckerd, M.D. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 60% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2023 · 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).
22 psychiatry physician records list a practice address in Norwalk
They are 22 of the 1,993 NPPES records with a practice address in Norwalk, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in Norwalk → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Adam Fogel, DONorwalk, CT 068501285977058
- Harold Ginsberg, M.D.Norwalk, CT 068501801913397
- Gabriela HayesNorwalk, CT 068501326304379
- George Kelly, M.D.Norwalk, CT 068501417140815
- Alexander Koleszar, M.D.Norwalk, CT 068501508922188
- Ryan Lieberman, MDNorwalk, CT 068501548483654
- Richard Maiberger, M.D.Norwalk, CT 068501013073683
- Katherine Michael, M.D.Norwalk, CT 068501174569172
Common questions
What is William Marcus Eckerd, M.D.'s NPI number?
William Marcus Eckerd, M.D.'s National Provider Identifier (NPI) is 1780740365, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Marcus Eckerd, M.D. located?
The NPPES record lists a practice address at 24 Stevens St, Norwalk, CT, 06850. Phone: (203) 852-2293. Providers update this record themselves, so call before visiting.
How can I verify William Marcus Eckerd, M.D.'s license?
NPPES lists Connecticut license number 022823, 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 Marcus Eckerd, M.D. prescribe under Medicare Part D?
In 2024, William Marcus Eckerd, M.D. had 655 Medicare Part D claims for 28 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.