Dianna Frances Thorstensen, DDS
Dentist · Greenbelt, MD
Dianna Frances Thorstensen, DDS is a dentist with a practice address in Greenbelt, Maryland, and NPI 1568697076, issued on May 28, 2009. Check the license (Maryland 14473, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dianna Frances Thorstensen
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 14473 MD
Self-reported in NPPES; status is on the state search - Practice location
- 28 Ridge RD, Greenbelt, MD 20770
- Phone
- (301) 474-4144
- Enumerated
- May 28, 2009
- Record last updated
- May 16, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (301) 474-6231
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,870 in Maryland → Look up another NPI →
Also registered at 28 Ridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Didion, RDHDental Hygienist1457130023
Verify Dianna Frances Thorstensen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 14473Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average dentist in 2024
101 Medicare Part D claims for 58 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Amoxicillin44 claims
- Chlorhexidine Gluconate13 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.
Dianna Frances Thorstensen among 1,870 dentist records in Maryland
Dianna Frances Thorstensen, 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 2009, is newer than 43% of them.
- NPI issued2009 · 43% of these records are older, 53% 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 updated2013 · 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).
22 dentist records list a practice address in Greenbelt
They are 22 of the 1,332 NPPES records with a practice address in Greenbelt, and 1,870 dentist records in Maryland.
All 1,870 in Maryland → Every provider in Greenbelt → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Bosede Adeniji, D.D.SGreenbelt, MD 207701689994659
- Fana AragawGreenbelt, MD 207701013290428
- Artin Barzgar, DDSGreenbelt, MD 207701144317751
- Claudia Maitland, D.D.S.Greenbelt, MD 207701649496621
- Monica Mattson, D.D.S.Greenbelt, MD 207701245447234
- Clayton McCarl, D.D.S.Greenbelt, MD 207701649486341
- James McCarl, D.D.S.Greenbelt, MD 207701750597464
- David McCarl, D.D.S.Greenbelt, MD 207701851508253
Common questions
What is Dianna Frances Thorstensen, DDS's NPI number?
Dianna Frances Thorstensen, DDS's National Provider Identifier (NPI) is 1568697076, issued on May 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Dianna Frances Thorstensen, DDS located?
The NPPES record lists a practice address at 28 Ridge RD, Greenbelt, MD, 20770. Phone: (301) 474-4144. Providers update this record themselves, so call before visiting.
How can I verify Dianna Frances Thorstensen, DDS's license?
NPPES lists Maryland license number 14473, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Dianna Frances Thorstensen, DDS prescribe under Medicare Part D?
In 2024, Dianna Frances Thorstensen, DDS had 101 Medicare Part D claims for 58 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.