NPPES file of Aug 9, 2026

Robert Hamilton Smithson, MD

Internal Medicine Physician · Raleigh, NC

Robert Hamilton Smithson, MD is an internal medicine physician with a practice address in Raleigh, North Carolina, and NPI 1235115106, issued on Dec 21, 2005. Check the license (North Carolina 35515, as entered in NPPES) on the North Carolina Medical Board; 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
1235115106
Name
Robert Hamilton Smithson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35515 NC
Self-reported in NPPES; status is on the state search
Practice location
2417 Atrium Dr, Raleigh, NC 27607
Phone
(919) 781-9650
Enumerated
Dec 21, 2005
Record last updated
Aug 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(919) 781-3572
Medicaid ID
8978331 NC
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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Also registered at 2417 Atrium Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Alvarez, M.D.Obstetrics & Gynecology Physician1013022946
  2. Zoe Beatty, M.D.Obstetrics & Gynecology Physician1437264389
  3. Anu Bommareddi, M.D.Family Medicine Physician1598763567
  4. John Burkard, M.D.Family Medicine Physician1730187618
  5. Ruth Ekangaki, MDGastroenterology Physician1073519880
  6. Corinne Griffith, M.D.Family Medicine Physician1285632166

Verify Robert Hamilton Smithson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 35515
    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
Open the North Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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22% more Medicare Part D claims than the average internal medicine physician in 2024

3,867 Medicare Part D claims for 268 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 71 claims were for opioids.

  1. Robert Smithson3,867
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium223 claims
  2. Levothyroxine Sodium194 claims
  3. Atorvastatin Calcium161 claims
  4. Amlodipine Besylate132 claims
  5. Zolpidem Tartrate111 claims
  6. Hydrochlorothiazide109 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.

Robert Hamilton Smithson among 4,056 internal medicine physician records in North Carolina

Robert Hamilton Smithson, MD is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 67% of these records are
  • Record last updated2021 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

315 internal medicine physician records list a practice address in Raleigh

They are 315 of the 16,309 NPPES records with a practice address in Raleigh, and 4,056 internal medicine physician records in North Carolina.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lisa Dejarnette, MDRaleigh, NC 276071013994714
  2. Ahmed Farag, MDRaleigh, NC 276071225015928
  3. Mary Forbes, M.D.Raleigh, NC 276071174509400
  4. Jonathan Green, MDRaleigh, NC 276071750368148
  5. Todd Helton, M.D., PHD.Raleigh, NC 276071194701425
  6. Edward Hu, MDRaleigh, NC 276071164409876
  7. Zehra Jung, M.DRaleigh, NC 276071427029354
  8. Marta Llibre, M.D.Raleigh, NC 276071265400758

Common questions

What is Robert Hamilton Smithson, MD's NPI number?

Robert Hamilton Smithson, MD's National Provider Identifier (NPI) is 1235115106, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert Hamilton Smithson, MD located?

The NPPES record lists a practice address at 2417 Atrium Dr, Raleigh, NC, 27607. Phone: (919) 781-9650. Providers update this record themselves, so call before visiting.

How can I verify Robert Hamilton Smithson, MD's license?

NPPES lists North Carolina license number 35515, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert Hamilton Smithson, MD prescribe under Medicare Part D?

In 2024, Robert Hamilton Smithson, MD had 3,867 Medicare Part D claims for 268 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.