Dr. Robert Hamilton Smithson Sr., MD
- Medicare services, 2024
- 1,554
- Medicare patients, 2024
- 156
- Part D claims, 2024
- 3,867
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 3948 Browning Pl, Raleigh, NC 27609
- Practice phone
- Call (919) 784-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UNC Rex Healthcare
Raleigh, North Carolina
Find Dr. Smithson's professional email, personal email and mobile number
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Dr. Robert Hamilton Smithson Sr. is an internist in Raleigh, North Carolina
Dr. Smithson practices at UNC Rex Healthcare in Raleigh, North Carolina.
Dr. Smithson's NPI, 1235115106, was assigned on December 21, 2005. Dr. Smithson graduated from University of Virginia School of Medicine in 1986. Dr. Smithson holds North Carolina license 35515.
- NPI
- 1235115106NPI Registry (opens in a new tab)
- NPI enumeration date
- December 21, 2005
- NPI status
- Active
- Practice phone
- (919) 784-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert Hamilton Smithson Sr. practices at UNC Rex Healthcare in Raleigh, North Carolina
Dr. Smithson's primary practice is UNC Rex Healthcare, at 3948 Browning Pl, Raleigh, NC 27609 in Wake County. The practice phone is (919) 784-3100.
- UNC Rex Healthcare3948 Browning Pl, Raleigh, NC 27609 · Wake CountyPhone(919) 784-3100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Hamilton Smithson Sr. is affiliated with 2 sites of care and 1 medical group
Dr. Smithson's primary practice is UNC Rex Healthcare in Raleigh, North Carolina. The medical group on file is Boylan Healthcare. Dmand AI also links Dr. Smithson to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Hamilton Smithson Sr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Smithson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UNC Rex Healthcare | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Hamilton Smithson Sr. is one of 3,705 internists in North Carolina
Internal medicine is Dr. Smithson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Smithson is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
Internists near Dr. Smithson
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Hamilton Smithson Sr. billed Medicare for 1,554 services in 2024
CMS data shows 1,554 Medicare services from Dr. Smithson across 13 procedure codes in 2024, for 156 Medicare patients. Medicare paid $52,183 for them. Every service was in an office.
Dr. Smithson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 9682024: 1,0246%
- Office and hospital visits
- 2023: 4422024: 39810%
- Other services
- 2023: 1072024: 1034%
- Tests and treatments
- 2023: 332024: 1652%
- Imaging
- 2023: 02024: 13
Dr. Smithson compared with the North Carolina median for internists, 2024
- Dr. Smithson
- North Carolina median
- Medicare services
- 1,554vs 5213.0 times
- Medicare patients
- 156vs 18516% below
- Part D claims
- 3,291vs 27212.1 times
Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.
Dr. Smithson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Smithson and other internists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Hamilton Smithson Sr. treated 156 Medicare patients in 2024, average age 77
CMS counts 156 Medicare patients who saw Dr. Smithson in 2024. The largest group is 65 to 74, with 66 patients. 75% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Smithson's median patient age at 72, with 40% women.
Dr. Smithson's Medicare patients by age, 2024
Dr. Smithson's Medicare patients by sex, 2024
- Women8051%
- Men7649%
Chronic conditions among Dr. Smithson's Medicare patients, 2024
- High cholesterol75%
- High blood pressure63%
- Arthritis45%
- Ischemic heart disease32%
- Bipolar disorder24%
- Cancer21%
- Osteoporosis21%
- Atrial fibrillation17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Smithson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Hamilton Smithson Sr. wrote 3,867 Medicare Part D claims in 2024
In 2024, Dr. Smithson wrote 3,867 Medicare Part D claims for 268 patients. 86% of them were for generic drugs. CMS names the drug for 3,291 of them, across 88 drugs with 11 or more claims each, at $278,070 in total drug cost. In 2023, CMS named 3,085 claims across 94 drugs.
Dr. Smithson's Part D claims by kind of drug, 2024
- Generic3,333 claims86%
- Brand-name515 claims13%
- Other19 claims0%
Dr. Smithson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Smithson's Part D claims, 2024
- Opioids2%71 of 3,867 claims
- Antibiotics4%157 of 3,867 claims
- Antipsychotics, patients 65 and over0%14 of 3,867 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,0852024: 3,2917%
Drugs named by CMS: 88 in 2024, 94 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Robert Hamilton Smithson Sr. graduated from University of Virginia School of Medicine
Dr. Smithson graduated from University of Virginia School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Hamilton Smithson Sr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert Hamilton Smithson Sr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert Hamilton Smithson Sr.'s NPI number?
Dr. Robert Hamilton Smithson Sr.'s NPI number is 1235115106. It was assigned on December 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Hamilton Smithson Sr.?
Dr. Robert Hamilton Smithson Sr. is an internist in Raleigh, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Hamilton Smithson Sr. practice?
Dr. Smithson practices at 3948 Browning Pl, Raleigh, NC 27609. Dr. Smithson's primary practice is UNC Rex Healthcare in Raleigh, North Carolina. Dmand AI also links Dr. Smithson to 1 group practice or clinic.
What is Dr. Robert Hamilton Smithson Sr.'s office phone number?
The practice phone on file for Dr. Smithson is (919) 784-3100.
What is Dr. Robert Hamilton Smithson Sr.'s medical license number?
Dr. Smithson holds North Carolina license 35515.
What medical group is Dr. Robert Hamilton Smithson Sr. part of?
Dr. Smithson is linked to Boylan Healthcare.
Does Dr. Robert Hamilton Smithson Sr. accept Medicare?
Yes. CMS data shows Dr. Smithson billed Medicare for 1,554 services in 2024.
How many Medicare patients does Dr. Robert Hamilton Smithson Sr. see?
CMS counts 156 Medicare patients who saw Dr. Smithson in 2024, with an average age of 77.
What services does Dr. Robert Hamilton Smithson Sr. bill to Medicare?
In 2024, Dr. Smithson's most billed Medicare services were office visit, established patient (99214), lab and pathology test (80048) and lab and pathology test (85025).
Where did Dr. Robert Hamilton Smithson Sr. go to medical school?
Dr. Smithson graduated from University of Virginia School of Medicine in 1986.
What drugs does Dr. Robert Hamilton Smithson Sr. prescribe most?
In 2024 Medicare Part D data, Dr. Smithson's most prescribed drugs by claims were Rosuvastatin Calcium, Levothyroxine Sodium and Atorvastatin Calcium.
How long has Dr. Robert Hamilton Smithson Sr. been practicing?
Dr. Smithson graduated from medical school in 1986, 40 years ago.
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