NPPES file of Aug 9, 2026

Cameron Leigh Onken, DMD

Dentist · Baltimore, MD

Cameron Leigh Onken, DMD is a dentist with a practice address in Baltimore, Maryland, and NPI 1639932858, issued on Jan 31, 2024. Check the license (Maryland 18511, 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
1639932858
Name
Cameron Leigh Onken
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
18511 MD
Self-reported in NPPES; status is on the state search
Practice location
601 N Caroline St FL Center6, Baltimore, MD 21287
Phone
(410) 955-5000
Enumerated
Jan 31, 2024
Record last updated
Dec 22, 2025
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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Verify Cameron Leigh Onken 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 18511
    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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66% fewer Medicare Part D claims than the average dentist in 2024

29 Medicare Part D claims for 13 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Cameron Onken29
  2. Specialty average86

Most prescribed

  1. Chlorhexidine Gluconate15 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.

Cameron Leigh Onken among 1,870 dentist records in Maryland

Cameron Leigh Onken, DMD 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 2024, is newer than 92% of them.

  • NPI issued2024 · 92% of these records are older, 5% 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 updated2025 · 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).

Dentist providers in Maryland

There are 1,870 dentist records in Maryland.

The 8 dentist records with the nearest ZIP codes

  1. Oluwatoyin Ajayi, DMDBaltimore, MD 212871487307831
  2. Lauren Bolding, DDSBaltimore, MD 212871255600839
  3. Marilyn Brodeur, DDSBaltimore, MD 212871487965836
  4. Matthew CarellaBaltimore, MD 212871225441728
  5. Jenay Davis, DMDBaltimore, MD 212871225529753
  6. Anthony Hamod, DDSBaltimore, MD 212871649591298
  7. Gregory Josephsen, D.M.DBaltimore, MD 212871780018317
  8. Seokhwan Oh, DDSBaltimore, MD 212871932333143

Common questions

What is Cameron Leigh Onken, DMD's NPI number?

Cameron Leigh Onken, DMD's National Provider Identifier (NPI) is 1639932858, issued on Jan 31, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Cameron Leigh Onken, DMD located?

The NPPES record lists a practice address at 601 N Caroline St FL Center6, Baltimore, MD, 21287. Phone: (410) 955-5000. Providers update this record themselves, so call before visiting.

How can I verify Cameron Leigh Onken, DMD's license?

NPPES lists Maryland license number 18511, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Cameron Leigh Onken, DMD prescribe under Medicare Part D?

In 2024, Cameron Leigh Onken, DMD had 29 Medicare Part D claims for 13 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.