Dr. James Ren, DO
- Medicare services, 2024
- 941
- Medicare patients, 2024
- 253
- Part D claims, 2024
- 143
- Hospital affiliations
- 2
- Industry payments
- $2,725
- Practice address
- 2685 Peachtree PKWY 340, Suwanee, GA 30024
- Practice phone
- Call (770) 771-5260
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
North Atlanta Vascular Clinic
Surgery Center - Medicare-Certified · Suwanee, Georgia
Find Dr. Ren's 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. James Ren is a vascular surgeon in Suwanee, Georgia
Dr. Ren practices at North Atlanta Vascular Clinic in Suwanee, Georgia.
Dr. Ren's NPI, 1447639505, was assigned on May 22, 2015. Dr. Ren graduated from Nova Southeastern College of Osteo Medicine in 2015. Dr. Ren holds Georgia license 92117.
- NPI
- 1447639505NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567888712
- NPI enumeration date
- May 22, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (770) 771-5260
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Ren practices at North Atlanta Vascular Clinic in Suwanee, Georgia
Dr. Ren's primary practice is North Atlanta Vascular Clinic, at 2685 Peachtree PKWY 340, Suwanee, GA 30024. The practice phone is (770) 771-5260.
- North Atlanta Vascular Clinic2685 Peachtree PKWY 340, Suwanee, GA 30024Phone(770) 771-5260
Source: Dmand AI Affiliation Data
Dr. James Ren is affiliated with 4 sites of care and 1 medical group
Dr. Ren's primary practice is North Atlanta Vascular Clinic in Suwanee, Georgia. Dr. Ren is also affiliated with Emory Johns Creek Hospital. The medical group on file is North Atlanta Vascular Clinic. Dmand AI also links Dr. Ren to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Ren's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ren practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Atlanta Vascular Clinic | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Ren is one of 174 vascular surgeons in Georgia
Vascular surgery is Dr. Ren's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Ren is licensed in Georgia.
Specialties and state licenses
- Vascular surgery, GeorgiaPrimary
Vascular surgeons near Dr. Ren
Counts of vascular surgeons 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. James Ren billed Medicare for 941 services in 2024
CMS data shows 941 Medicare services from Dr. Ren across 16 procedure codes in 2024, for 253 Medicare patients. Medicare paid $88,578 for them.
Dr. Ren's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2672024: 44466%
- Office and hospital visits
- 2023: 3412024: 40519%
- Imaging
- 2023: 372024: 6781%
- Surgery
- 2023: 172024: 2547%
Where Dr. Ren's Medicare services took place, 2024
- In an office69774%
- In a facility24426%
Dr. Ren compared with the Georgia median for vascular surgeons, 2024
- Dr. Ren
- Georgia median
- Medicare services
- 941vs 77621% above
- Medicare patients
- 253vs 39736% below
- Part D claims
- 93vs 15741% below
Medians across 169 vascular surgeons in Georgia with Dmand AI profiles that report each measure.
Dr. Ren'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.
Need commercial claims for Dr. Ren?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ren and other vascular surgeons in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Ren treated 253 Medicare patients in 2024, average age 74
CMS counts 253 Medicare patients who saw Dr. Ren in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 3.89, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ren's median patient age at 71, with 58% women.
Dr. Ren's Medicare patients by age, 2024
Dr. Ren's Medicare patients by sex, 2024
- Women12650%
- Men12750%
Chronic conditions among Dr. Ren's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease58%
- Arthritis52%
- Diabetes47%
- Ischemic heart disease40%
- Heart failure32%
- Atrial fibrillation26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ren's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women58%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Ren wrote 143 Medicare Part D claims in 2024
In 2024, Dr. Ren wrote 143 Medicare Part D claims for 63 patients. 59% of them were for generic drugs. CMS names the drug for 93 of them, across 4 drugs with 11 or more claims each, at $41,094 in total drug cost. In 2023, CMS named 15 claims across 1 drug.
Dr. Ren's Part D claims by kind of drug, 2024
- Generic85 claims59%
- Brand-name58 claims41%
Dr. Ren'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. Ren's Part D claims, 2024
- Opioids17%25 of 143 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: 152024: 93520%
Drugs named by CMS: 4 in 2024, 1 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. James Ren ranks in the 66th percentile for varicose vein removal in Medicare
Dr. Ren accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 33 procedures of varicose vein removal by Dr. Ren, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ren ranks in Medicare procedure volume
- Varicose vein removal
- 66th percentile33 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. James Ren received $2,725 in industry payments from 2021 to 2025
CMS Open Payments shows 96 general payments to Dr. Ren from 26 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 94% of the total. Medtronic, Inc. paid the most, $1,114.
General payments to Dr. Ren by program year, 2021 to 2025
General payments to Dr. Ren by kind, 2021 to 2025
- Food and beverage$2,56794%
- Education$1586%
Companies that paid Dr. Ren the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Ren graduated from Nova Southeastern College of Osteo Medicine
Dr. Ren graduated from Nova Southeastern College of Osteo Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Ren'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) |
| 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. James Ren
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. James Ren's NPI number?
Dr. James Ren's NPI number is 1447639505. It was assigned on May 22, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. James Ren?
Dr. James Ren is a vascular surgeon in Suwanee, Georgia. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. James Ren practice?
Dr. Ren practices at 2685 Peachtree PKWY 340, Suwanee, GA 30024. Dr. Ren's primary practice is North Atlanta Vascular Clinic in Suwanee, Georgia. Dmand AI also links Dr. Ren to 1 hospital and 1 group practice or clinic.
What is Dr. James Ren's office phone number?
The practice phone on file for Dr. Ren is (770) 771-5260.
What is Dr. James Ren's medical license number?
Dr. Ren holds Georgia license 92117.
Which hospitals is Dr. James Ren affiliated with?
Dr. Ren is affiliated with Emory Johns Creek Hospital. Dmand AI links Dr. Ren to 1 more hospital.
What medical group is Dr. James Ren part of?
Dr. Ren is linked to North Atlanta Vascular Clinic.
Does Dr. James Ren accept Medicare?
Yes. CMS data shows Dr. Ren billed Medicare for 941 services in 2024, and Dr. Ren accepts Medicare assignment.
How many Medicare patients does Dr. James Ren see?
CMS counts 253 Medicare patients who saw Dr. Ren in 2024, with an average age of 74.
What services does Dr. James Ren bill to Medicare?
In 2024, Dr. Ren's most billed Medicare services were office visit, established patient (99214), blood vessel study (93990) and ultrasound (76937).
Show 4 more questionsShow fewer questions
Where did Dr. James Ren go to medical school?
Dr. Ren graduated from Nova Southeastern College of Osteo Medicine in 2015.
What drugs does Dr. James Ren prescribe most?
In 2024 Medicare Part D data, Dr. Ren's most prescribed drugs by claims were Eliquis, Xarelto and Clopidogrel.
Has Dr. James Ren received payments from drug or device companies?
CMS Open Payments shows $2,725 in general payments to Dr. Ren from 26 companies from 2021 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. James Ren been practicing?
Dr. Ren graduated from medical school in 2015, 11 years ago.
Selling to vascular surgery practices?
See vascular surgeons in Georgia by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card