Marissa A. Ryan, DMD

  • So. Portland, ME
  • General practice dentistry
NPI1215035340
Part D claims, 2024
116
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2006
Practice address
25 Long Creek Dr, South Portland, ME 04106-2440
Practice phone
Call (207) 774-6553
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Gary A Kokx DMD Todd D Ray

Dental practice · South Portland, Maine

See all 2 affiliations

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Marissa A. Ryan is a general practice dentistry in So. Portland, Maine

Marissa Ryan practices at Gary A Kokx DMD Todd D Ray in South Portland, Maine.

Marissa Ryan's NPI, 1215035340, was assigned on September 20, 2006. Marissa Ryan holds Maine license 3833.

NPI and contact details
NPI enumeration date
September 20, 2006
NPI status
Active
Practice phone
(207) 774-6553
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Marissa A. Ryan practices at Gary A Kokx DMD Todd D Ray in South Portland, Maine

Marissa Ryan's primary practice is Gary A Kokx DMD Todd D Ray, at 25 Long Creek Dr, South Portland, ME 04106-2440. The practice phone is (207) 774-6553.

  • Gary A Kokx DMD Todd D Ray
    25 Long Creek Dr, South Portland, ME 04106-2440Phone(207) 774-6553

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Marissa A. Ryan is affiliated with 1 site of care and 1 medical group

Marissa Ryan's primary practice is Gary A Kokx DMD Todd D Ray in South Portland, Maine. Dmand AI also links Marissa Ryan to 1 medical group, named with a free account.

Gary A Kokx DMD Todd D RayDental practice · South Portland, MainePrimary
1 medical groupName with a free account
See all 2 affiliations for Marissa Ryan

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Marissa A. Ryan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Marissa Ryan practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Gary A Kokx DMD Todd D RayAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Marissa A. Ryan is one of 308 general practice dentistrys in Maine

General practice is Marissa Ryan's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Marissa Ryan is licensed in Maine.

Specialties and state licenses

  • General practice dentistry, MainePrimaryLicense 3833 · taxonomy 1223G0001X

General practice dentistrys near Marissa Ryan

Counts of general practice dentistrys with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Marissa A. Ryan's patients have a median age of 79

Across all payers, Dmand AI patient panel data puts Marissa Ryan's median patient age at 79, with 0% women.

Marissa Ryan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 79

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

Marissa A. Ryan wrote 116 Medicare Part D claims in 2024

In 2024, Marissa Ryan wrote 116 Medicare Part D claims for 78 patients. 76% of them were for generic drugs.

Part D claims, 2024116
Part D patients78

Marissa Ryan's Part D claims by kind of drug, 2024

  • Generic88 claims76%
  • Brand-name and other28 claims24%

Drug classes CMS tracks in Marissa Ryan's Part D claims, 2024

  • Antibiotics64%74 of 116 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Sources for Marissa A. Ryan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Marissa A. Ryan

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Marissa A. Ryan's NPI number?

Marissa A. Ryan's NPI number is 1215035340. It was assigned on September 20, 2006, and it is active in the NPI Registry.

What does Marissa A. Ryan specialize in?

Marissa A. Ryan is a general practice dentistry in So. Portland, Maine. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).

Where does Marissa A. Ryan practice?

Marissa Ryan practices at 25 Long Creek Dr, South Portland, ME 04106-2440. Marissa Ryan's primary practice is Gary A Kokx DMD Todd D Ray in South Portland, Maine. Dmand AI also links Marissa Ryan to 1 medical group.

What is Marissa A. Ryan's office phone number?

The practice phone on file for Marissa Ryan is (207) 774-6553.

What is Marissa A. Ryan's medical license number?

Marissa Ryan holds Maine license 3833.

How long has Marissa A. Ryan been practicing?

Marissa Ryan's NPI was assigned in 2006.

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