Christina Rizk, DMD
Student in an Organized Health Care Education/Training Program · Portland, ME
Christina Rizk, DMD is a student in an organized health care education/training program with a practice address in Portland, Maine, and NPI 1083272173, issued on Jun 3, 2019. Check the license with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christina Rizk
- Credential
- DMD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 190 Park Ave, Portland, ME 04102
- Phone
- (617) 899-4677
- Enumerated
- Jun 3, 2019
- Record last updated
- Jun 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 857 in Maine → Look up another NPI →
Also registered at 190 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christina Rizk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
172 Medicare Part D claims for 58 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Chlorhexidine Gluconate53 claims
- Ibuprofen51 claims
- Amoxicillin-Clavulanate Potass50 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.
Christina Rizk among 857 student in an organized health care education/training program records in Maine
Christina Rizk, DMD is one of 857 student in an organized health care education/training program records with a practice address in Maine. 27% 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 10% of them.
- NPI issued2019 · 10% of these records are older, 88% newer
- In a Medicare fileYes · 27% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2019 · 15% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
606 student in an organized health care education/training program records list a practice address in Portland
They are 606 of the 6,022 NPPES records with a practice address in Portland, and 857 student in an organized health care education/training program records in Maine.
All 857 in Maine → Every provider in Portland → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Nikolas Collins, MDPortland, ME 041021164782868
- Lauren Daniels, DOPortland, ME 041021194011627
- Gregory Dudzik, M.D.Portland, ME 041021588058978
- Kiirsten Finn, DMDPortland, ME 041021043624943
- Katherine Garlo, MDPortland, ME 041021447511878
- David Grimaldi, M.D.Portland, ME 041021295267391
- Mazen Hamoudi, MBCHBPortland, ME 041021265728661
- Sarah Marie Harnois, MDPortland, ME 041021811429632
Common questions
What is Christina Rizk, DMD's NPI number?
Christina Rizk, DMD's National Provider Identifier (NPI) is 1083272173, issued on Jun 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Christina Rizk, DMD located?
The NPPES record lists a practice address at 190 Park Ave, Portland, ME, 04102. Phone: (617) 899-4677. Providers update this record themselves, so call before visiting.
How can I verify Christina Rizk, DMD's license?
Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Christina Rizk, DMD prescribe under Medicare Part D?
In 2024, Christina Rizk, DMD had 172 Medicare Part D claims for 58 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.