NPPES file of Aug 9, 2026

Ryan M. Mariner, DDS

Dentist · Snow Hill, MD

Ryan M. Mariner, DDS is a dentist with a practice address in Snow Hill, Maryland, and NPI 1144870676, issued on Sep 17, 2019. Check the license (Maryland 16929, as entered in NPPES) with the Maryland 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
1144870676
Name
Ryan M. Mariner
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
16929 MD
Self-reported in NPPES; status is on the state search
Practice location
201 Belt St Suite A, Snow Hill, MD 21863
Phone
(410) 632-2551
Enumerated
Sep 17, 2019
Record last updated
Oct 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(410) 632-2561
Medicaid ID
119591300 MD
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 201 Belt St Suite A

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

  1. George Dimitri, DDSDentist1407071533

Verify Ryan M. Mariner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 16929
    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 Maryland license search

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6% fewer Medicare Part D claims than the average dentist in 2024

81 Medicare Part D claims for 64 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Ryan Mariner81
  2. Specialty average86

Most prescribed

  1. Amoxicillin47 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: $1,080.87

18 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona 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. Ryan Mariner$1,080.87
  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.

Ryan M. Mariner among 1,870 dentist records in Maryland

Ryan M. Mariner, DDS is one of 1,870 dentist records with a practice address in Maryland. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 78% of them.

  • NPI issued2019 · 78% of these records are older, 20% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2021 · 69% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 dentist records list a practice address in Snow Hill

They are 2 of the 218 NPPES records with a practice address in Snow Hill, and 1,870 dentist records in Maryland.

The 8 dentist records with the nearest ZIP codes

  1. George Dimitri, DDSSnow Hill, MD 218631407071533
  2. Matthew Anderson, DDSPrincess Anne, MD 218531346595444
  3. Trina Collins, DDSPrincess Anne, MD 218531780779496
  4. Roli EmikoPrincess Anne, MD 218531164041703
  5. Jessica Harrison, DDSPrincess Anne, MD 218531386999605
  6. Brittany Heffernan, D.D.S.Princess Anne, MD 218531659798759
  7. Hau Le, DMDPrincess Anne, MD 218531740430180
  8. Sohail Maiwand, DMDPrincess Anne, MD 218531023957958

Common questions

What is Ryan M. Mariner, DDS's NPI number?

Ryan M. Mariner, DDS's National Provider Identifier (NPI) is 1144870676, issued on Sep 17, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ryan M. Mariner, DDS located?

The NPPES record lists a practice address at 201 Belt St Suite A, Snow Hill, MD, 21863. Phone: (410) 632-2551. Providers update this record themselves, so call before visiting.

How can I verify Ryan M. Mariner, DDS's license?

NPPES lists Maryland license number 16929, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Ryan M. Mariner, DDS prescribe under Medicare Part D?

In 2024, Ryan M. Mariner, DDS had 81 Medicare Part D claims for 64 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.