Clin Spine Surg
Back PainBariatric SurgeryFractures, Compression
Dr. John Afthinos, MD
NPI1588998850PAC ID3971772963
- Medicare services, 2024
- 151
- Medicare patients, 2024
- 125
- Part D claims, 2024
- 165
- Publications
- 12
- Hospital affiliations
- 1
- Practice address
- 509 North Brightleaf Boulevard, Smithfield, NC 27577
- Practice phone
- Call (919) 938-7540
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UNC Health Johnston - Smithfield
Psychiatric Inpatient Facility · Smithfield, North Carolina
Find Dr. Afthinos' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Afthinos is a general surgeon in Smithfield, North Carolina
Dr. Afthinos practices at UNC Health Johnston - Smithfield in Smithfield, North Carolina.
Dr. Afthinos' NPI, 1588998850, was assigned on September 19, 2009. Dr. Afthinos graduated from Columbia University College of Physicians and Surgeons in 2004. Dr. Afthinos holds North Carolina license 2021-01685.
NPI and contact details
- NPI
- 1588998850NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971772963
- NPI enumeration date
- September 19, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (919) 938-7540
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Afthinos practices at UNC Health Johnston - Smithfield in Smithfield, North Carolina
Dr. Afthinos' primary practice is UNC Health Johnston - Smithfield, at 509 North Brightleaf Boulevard, Smithfield, NC 27577. The practice phone is (919) 938-7540.
- UNC Health Johnston - Smithfield509 North Brightleaf Boulevard, Smithfield, NC 27577Phone(919) 938-7540
Source: Dmand AI Affiliation Data
Dr. John Afthinos is affiliated with 4 sites of care and 2 medical groups
Dr. Afthinos' primary practice is UNC Health Johnston - Smithfield in Smithfield, North Carolina. Dr. Afthinos is also affiliated with UNC Health Johnston. The medical group on file is North Carolina Heart & Vascular Hospital. Dmand AI also links Dr. Afthinos to 2 more group practices and clinics and 1 medical group, each named with a free account.
UNC Health Johnston - SmithfieldPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Afthinos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Afthinos practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UNC Health Johnston - Smithfield | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Afthinos is one of 1,053 general surgeons in North Carolina
Surgery is Dr. Afthinos' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Afthinos' licenses on file in 2 states: North Carolina and New York.
Specialties and state licenses
- Surgery, North CarolinaPrimary
- New York license
General surgeons near Dr. Afthinos
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,053general surgeons in North Carolina
7general surgeons in Smithfield
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Afthinos billed Medicare for 151 services in 2024
CMS data shows 151 Medicare services from Dr. Afthinos across 5 procedure codes in 2024, for 125 Medicare patients. Medicare paid $13,420 for them.
Medicare services, 2024151
Medicare patients125
Paid by Medicare$13,420
Procedure codes5
Dr. Afthinos' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1952024: 15123%
Where Dr. Afthinos' Medicare services took place, 2024
- In an office8053%
- In a facility7147%
Dr. Afthinos compared with the North Carolina median for general surgeons, 2024
- Dr. Afthinos
- North Carolina median
- Medicare services
- 151vs 151Close to median
- Medicare patients
- 125vs 1159% above
- Part D claims
- 86vs 412.1 times
Medians across 950 general surgeons in North Carolina with Dmand AI profiles that report each measure.
Dr. Afthinos' 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. Afthinos and other general surgeons in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Afthinos treated 125 Medicare patients in 2024, average age 71
CMS counts 125 Medicare patients who saw Dr. Afthinos in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Afthinos' median patient age at 70, with 52% women.
Medicare patients, 2024125
Average age71
Average risk score1.44
Also on Medicaid19%
Dr. Afthinos' Medicare patients by age, 2024
Dr. Afthinos' Medicare patients by sex, 2024
- Women5947%
- Men6653%
Chronic conditions among Dr. Afthinos' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Diabetes48%
- Ischemic heart disease34%
- Mood disorders34%
- Depression33%
- Anxiety32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Afthinos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Afthinos wrote 165 Medicare Part D claims in 2024
In 2024, Dr. Afthinos wrote 165 Medicare Part D claims for 68 patients. 96% of them were for generic drugs. CMS names the drug for 86 of them, across 2 drugs with 11 or more claims each, at $212 in total drug cost. In 2023, CMS named 113 claims across 2 drugs.
Part D claims, 2024165
Drugs named by CMS2
Total drug cost$212
Part D patients68
Dr. Afthinos' Part D claims by kind of drug, 2024
- Generic159 claims96%
- Brand-name and other6 claims4%
Dr. Afthinos' 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. Afthinos' Part D claims, 2024
- Opioids31%51 of 165 claims
- Antibiotics25%41 of 165 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: 1132024: 8624%
Drugs named by CMS: 2 in 2024, 2 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
Dr. John Afthinos offers telehealth to Medicare patients
Dr. Afthinos accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Afthinos as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Afthinos has 12 publications on record
Dmand AI links 12 papers to Dr. Afthinos, published from 2011 to 2022. 2011 was the busiest year, with 2. The most frequent topics are Obesity, Morbid, Bariatric Surgery and Laparoscopy. Dr. Afthinos has published most often in Surg Obes Relat Dis. Dr. Afthinos' most frequent co-authors are Karen E. Gibbs, MD, Samantha Rose Horn, MD and Bassel G. Diebo, MD.
Papers12
Years published2011 to 2022
Dr. Afthinos' papers by year, 2011 to 2022
Topics Dr. Afthinos writes about most
- Obesity, Morbid
- Bariatric Surgery
- Laparoscopy
- Postoperative Complications
- Analgesia, Patient-Controlled
- Comorbidity
- Gastrectomy
- Gastric Bypass
Dr. Afthinos' most frequent co-authors
- Karen E. Gibbs, MD5 shared papers
- Samantha Rose Horn, MD3 shared papers
- Bassel G. Diebo, MD2 shared papers
Recent publications by Dr. Afthinos
Surg Obes Relat Dis
Body WeightGastrectomyObesity
Acta Neurochir (Wien)
Bariatric SurgeryComorbidityNeurosurgical Procedures
Surg Obes Relat Dis
Anastomotic LeakGastric Bypass
See who Dr. Afthinos researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Afthinos works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Afthinos received $7,128 in industry payments from 2017 to 2025
CMS Open Payments shows 26 general payments to Dr. Afthinos from 10 drug and device companies from 2017 to 2025. Education make up the largest share, 77% of the total. Intuitive Surgical, Inc. paid the most, $6,768.
General payments to Dr. Afthinos by program year, 2017 to 2025
General payments to Dr. Afthinos by kind, 2017 to 2025
$7.1Kin total
- Education$5,50077%
- Travel and lodging$96113%
- Food and beverage$6679%
Companies that paid Dr. Afthinos the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Afthinos graduated from Columbia University College of Physicians and Surgeons
Dr. Afthinos graduated from Columbia University College of Physicians and Surgeons in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Afthinos'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. John Afthinos
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. John Afthinos' NPI number?
Dr. John Afthinos' NPI number is 1588998850. It was assigned on September 19, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. John Afthinos?
Dr. John Afthinos is a general surgeon in Smithfield, North Carolina. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Afthinos practice?
Dr. Afthinos practices at 509 North Brightleaf Boulevard, Smithfield, NC 27577. Dr. Afthinos' primary practice is UNC Health Johnston - Smithfield in Smithfield, North Carolina. Dmand AI also links Dr. Afthinos to 2 group practices and clinics and 1 medical group.
What is Dr. John Afthinos' office phone number?
The practice phone on file for Dr. Afthinos is (919) 938-7540.
What is Dr. John Afthinos' medical license number?
Dr. Afthinos holds North Carolina license 2021-01685, one of the licenses on file in 2 states.
Which states has Dr. John Afthinos been licensed in?
Dmand AI has state licenses on file for Dr. Afthinos in North Carolina and New York.
Which hospitals is Dr. John Afthinos affiliated with?
Dr. Afthinos is affiliated with UNC Health Johnston.
What medical group is Dr. John Afthinos part of?
Dr. Afthinos is linked to North Carolina Heart & Vascular Hospital. Dmand AI links Dr. Afthinos to 1 more medical group.
Does Dr. John Afthinos accept Medicare?
Yes. CMS data shows Dr. Afthinos billed Medicare for 151 services in 2024, and Dr. Afthinos accepts Medicare assignment.
Does Dr. John Afthinos offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Afthinos as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. John Afthinos see?
CMS counts 125 Medicare patients who saw Dr. Afthinos in 2024, with an average age of 71.
What services does Dr. John Afthinos bill to Medicare?
In 2024, Dr. Afthinos' most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99222) and office visit, new patient (99204).
Where did Dr. John Afthinos go to medical school?
Dr. Afthinos graduated from Columbia University College of Physicians and Surgeons in 2004.
What drugs does Dr. John Afthinos prescribe most?
In 2024 Medicare Part D data, Dr. Afthinos' most prescribed drugs by claims were Oxycodone HCl and Gabapentin.
Has Dr. John Afthinos received payments from drug or device companies?
CMS Open Payments shows $7,128 in general payments to Dr. Afthinos from 10 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. John Afthinos been practicing?
Dr. Afthinos graduated from medical school in 2004, 22 years ago.
Does Dr. John Afthinos do research?
Dmand AI links 12 publications to Dr. Afthinos, published from 2011 to 2022.
Who does Dr. John Afthinos publish with?
Dr. Afthinos' most frequent co-authors are Karen E. Gibbs, MD (5 shared papers), Samantha Rose Horn, MD (3 shared papers) and Bassel G. Diebo, MD (2 shared papers).
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