Mark T. Ryan, DMD
Dental Hygienist · West Haven, CT
Mark T. Ryan, DMD is a dental hygienist with a practice address in West Haven, Connecticut, and NPI 1740322049, issued on Feb 13, 2007. Check the license (Connecticut 005913, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark T. Ryan
- Credential
- DMD
- Primary taxonomy
- Dental Hygienist 124Q00000X
- License numbers
- 005913 CT
008359 CT
05006 CT
Self-reported in NPPES; status is on the state search - Practice location
- 622 Savin Avenue, West Haven, CT 06516
- Phone
- (203) 933-7095
- Enumerated
- Feb 13, 2007
- Record last updated
- Sep 11, 2025
- Fax
- (203) 937-5766
- Entity
- Type 1 · individual
8 nearest dental hygienist records → All 421 in Connecticut → Look up another NPI →
Verify Mark T. Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 005913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average dental hygienist in 2024
116 Medicare Part D claims for 76 beneficiaries, against an average of 75 among the 152 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 12 claims were for opioids.
Most prescribed
- Amoxicillin82 claims
- Acetaminophen-Codeine11 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: $27.22
1 payment: food and beverage; the largest payer was Dentsply Sirona Inc. The 142 providers of this specialty with any payment received $331.33 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.
Mark T. Ryan among 421 dental hygienist records in Connecticut
Mark T. Ryan, DMD is one of 421 dental hygienist records with a practice address in Connecticut. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 66% newer
- In a Medicare fileYes · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2025 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 124Q00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 dental hygienist records list a practice address in West Haven
They are 20 of the 1,356 NPPES records with a practice address in West Haven, and 421 dental hygienist records in Connecticut.
All 421 in Connecticut → Every provider in West Haven → Dental Hygienist nationwide →
The 8 dental hygienist records with the nearest ZIP codes
- Gwen Grosso, RDHWest Haven, CT 065161497935241
- Lynn HelferWest Haven, CT 065161225218878
- Mary Ann Hultgren, RDHWest Haven, CT 065161093904161
- Mark Kacerik, RDHWest Haven, CT 065161790967784
- Kathleen Martin Lane, RDHWest Haven, CT 065161235452277
- Stacy Maslar, RDHWest Haven, CT 065161952580169
- Linda Mercer, RDHWest Haven, CT 065161588843676
- Eileen O'Brien, RDHWest Haven, CT 065161447581772
Common questions
What is Mark T. Ryan, DMD's NPI number?
Mark T. Ryan, DMD's National Provider Identifier (NPI) is 1740322049, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark T. Ryan, DMD located?
The NPPES record lists a practice address at 622 Savin Avenue, West Haven, CT, 06516. Phone: (203) 933-7095. Providers update this record themselves, so call before visiting.
How can I verify Mark T. Ryan, DMD's license?
NPPES lists Connecticut license number 005913, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Mark T. Ryan, DMD prescribe under Medicare Part D?
In 2024, Mark T. Ryan, DMD had 116 Medicare Part D claims for 76 beneficiaries; the average among dental hygienist prescribers was 75. 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.