Kathleen Oneil-Smith, MD
Internal Medicine Physician · Malden, MA
Kathleen Oneil-Smith, MD is an internal medicine physician with a practice address in Malden, Massachusetts, and NPI 1891775185, issued on Jan 20, 2006. Check the license (Massachusetts 208320, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Kathleen Oneil-Smith
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 208320 MA
Self-reported in NPPES; status is on the state search - Practice location
- 380 Pleasant St, Malden, MA 02148
- Phone
- (781) 322-3005
- Enumerated
- Jan 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (781) 322-1394
- Medicaid ID
- 0116891 MA
- Entity
- Type 1 · individual
Also registered at 380 Pleasant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathleen Oneil-Smith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 208320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
88 Medicare Part D claims for 22 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone19 claims
- Lorazepam12 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.
Internal Medicine Physician providers in Massachusetts
There are 6,825 internal medicine physician records in Massachusetts.
Other internal medicine physician records in Massachusetts
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- Taimur AbbasiBoston, MA1841673522
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Maya Abdallah, MDBoston, MA1861854937
- Samah Abdallah, MDBrighton, MA1730814971
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- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Kathleen Oneil-Smith, MD's NPI number?
Kathleen Oneil-Smith, MD's National Provider Identifier (NPI) is 1891775185, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Oneil-Smith, MD located?
The NPPES record lists a practice address at 380 Pleasant St, Malden, MA, 02148. Phone: (781) 322-3005. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Oneil-Smith, MD's license?
NPPES lists Massachusetts license number 208320, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathleen Oneil-Smith, MD prescribe under Medicare Part D?
In 2024, Kathleen Oneil-Smith, MD had 88 Medicare Part D claims for 22 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.