NPPES file of Aug 9, 2026

Joan Marshall, DDS

Dentist · Ardsley, NY

Joan Marshall, DDS is a dentist with a practice address in Ardsley, New York, and NPI 1922629955, issued on Apr 30, 2020. Check the license (New York 062110, as entered in NPPES) with the New York board that licenses this profession; 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
1922629955
Name
Joan Marshall
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
062110 NY
Self-reported in NPPES; status is on the state search
Practice location
43 Larchmont St, Ardsley, NY 10502
Phone
(914) 960-2566
Enumerated
Apr 30, 2020
Record last updated
Mar 27, 2024
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 43 Larchmont St

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

  1. Stephen MarshallDentist1104049857

Verify Joan Marshall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 062110
    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
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87% fewer Medicare Part D claims than the average dentist in 2024

11 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Joan Marshall11
  2. Specialty average86

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: $17.37

1 payment: food and beverage; the largest payer was OraPharma, a division of Bausch Health US, LLC. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joan Marshall$17.37
  2. Specialty average$540.36

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

Joan Marshall among 5,918 dentist records in New York

Joan Marshall, DDS is one of 5,918 dentist records with a practice address in New York. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.

  • NPI issued2020 · 87% of these records are older, 11% newer
  • In a Medicare fileYes · 58% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2024 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 dentist records list a practice address in Ardsley

They are 3 of the 293 NPPES records with a practice address in Ardsley, and 5,918 dentist records in New York.

The 8 dentist records with the nearest ZIP codes

  1. Julian Leventhal, DDSArdsley, NY 105021205843844
  2. Stephen MarshallArdsley, NY 105021104049857
  3. John Tolli, DDSAmawalk, NY 105011659535763
  4. Daria Grillo, DDSArmonk, NY 105041659491140
  5. Joel Harris, DDSArmonk, NY 105041881757219
  6. Alfred Laporta, DDSArmonk, NY 105041356552046
  7. John Holmes, DMDBedford, NY 105061073781852
  8. Leigh Kohl, DMDBedford, NY 105061992916225

Common questions

What is Joan Marshall, DDS's NPI number?

Joan Marshall, DDS's National Provider Identifier (NPI) is 1922629955, issued on Apr 30, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Joan Marshall, DDS located?

The NPPES record lists a practice address at 43 Larchmont St, Ardsley, NY, 10502. Phone: (914) 960-2566. Providers update this record themselves, so call before visiting.

How can I verify Joan Marshall, DDS's license?

NPPES lists New York license number 062110, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Joan Marshall, DDS prescribe under Medicare Part D?

In 2024, Joan Marshall, DDS had 11 Medicare Part D claims; the average among dentist prescribers was 86. 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.