NPPES file of Aug 9, 2026

Maryann Theresa Riordan, D.M.D

Dentist · New York, NY

Maryann Theresa Riordan, D.M.D is a dentist with a practice address in New York, New York, and NPI 1609953322, issued on Nov 1, 2006. Check the license (New York 049484, 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
1609953322
Name
Maryann Theresa Riordan
Credential
D.M.D
Primary taxonomy
Dentist 122300000X
License number
049484 NY
Self-reported in NPPES; status is on the state search
Practice location
2225 5TH Ave, New York, NY 10037
Phone
(212) 368-6700
Enumerated
Nov 1, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(212) 368-7183
Medicaid ID
02373628 NY
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 2225 5TH Ave

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

  1. Adenike Akapo, DDSGeneral Practice Dentistry1851080998

Verify Maryann Theresa Riordan 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 049484
    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
Find the New York license search

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67% fewer Medicare Part D claims than the average dentist in 2024

28 Medicare Part D claims for 20 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Maryann Riordan28
  2. Specialty average86

Most prescribed

  1. Amoxicillin16 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: $180.79

3 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, Inc. 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. Maryann Riordan$180.79
  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.

Maryann Theresa Riordan among 5,918 dentist records in New York

Maryann Theresa Riordan, D.M.D 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 74% 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 updated2007 · 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).

1,105 dentist records list a practice address in New York

They are 1,105 of the 98,468 NPPES records with a practice address in New York, and 5,918 dentist records in New York.

The 8 dentist records with the nearest ZIP codes

  1. Milana Abramov, DDSNew York, NY 100371659800498
  2. Darryl Allen, DDSNew York, NY 100371720653793
  3. Akarsh BatraNew York, NY 100371871114728
  4. Pehalvi Chadha, DDS, MSCNew York, NY 100371346817590
  5. Seraphina ChungNew York, NY 100371982089918
  6. Christina Eskew, DDSNew York, NY 100371467197145
  7. Athena Goodarzi, DDSNew York, NY 100371386177046
  8. Atoussa HalaryNew York, NY 100371235662776

Common questions

What is Maryann Theresa Riordan, D.M.D's NPI number?

Maryann Theresa Riordan, D.M.D's National Provider Identifier (NPI) is 1609953322, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maryann Theresa Riordan, D.M.D located?

The NPPES record lists a practice address at 2225 5TH Ave, New York, NY, 10037. Phone: (212) 368-6700. Providers update this record themselves, so call before visiting.

How can I verify Maryann Theresa Riordan, D.M.D's license?

NPPES lists New York license number 049484, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Maryann Theresa Riordan, D.M.D prescribe under Medicare Part D?

In 2024, Maryann Theresa Riordan, D.M.D had 28 Medicare Part D claims for 20 beneficiaries; 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.