Dr. Gregory L. Erdelyan, MD
- Medicare services, 2024
- 308
- Medicare patients, 2024
- 118
- Part D claims, 2019
- 16
- Industry payments
- $13,432
- Affiliated sites
- 5
- Practice address
- 1300 Ernest Barrett Pkwy, Kennesaw, GA 30152
- Practice phone
- Call (678) 781-8201
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Georgia Phlebology
Kennesaw, Georgia
Find Dr. Erdelyan'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. Gregory L. Erdelyan is a general surgeon in Kennesaw, Georgia
Dr. Erdelyan practices at Georgia Phlebology in Kennesaw, Georgia.
Dr. Erdelyan's NPI, 1295786234, was assigned on May 15, 2006. Dr. Erdelyan graduated from University of Texas Medical School at Houston in 1984. Dr. Erdelyan holds Georgia license 35864.
- NPI
- 1295786234NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395643407
- NPI enumeration date
- May 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (678) 781-8201
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory L. Erdelyan practices at Georgia Phlebology in Kennesaw, Georgia
Dr. Erdelyan's primary practice is Georgia Phlebology, at 1300 Ernest Barrett Pkwy, Kennesaw, GA 30152 in Cobb County. The practice phone is (678) 781-8201.
- Georgia Phlebology1300 Ernest Barrett Pkwy, Kennesaw, GA 30152 · Cobb CountyPhone(678) 781-8201
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory L. Erdelyan is affiliated with 6 sites of care and 4 medical groups
Dr. Erdelyan's primary practice is Georgia Phlebology in Kennesaw, Georgia. The medical group on file is USA Vein Clinics, Alpharetta. Dmand AI also links Dr. Erdelyan to 4 more group practices and clinics, 3 medical groups and 1 physician office, each 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. Gregory L. Erdelyan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Erdelyan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Georgia Phlebology | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory L. Erdelyan is one of 853 general surgeons in Georgia
Surgery is Dr. Erdelyan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Erdelyan is licensed in Georgia.
Specialties and state licenses
- Surgery, GeorgiaPrimary
General surgeons near Dr. Erdelyan
Counts of general 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. Gregory L. Erdelyan billed Medicare for 308 services in 2024
CMS data shows 308 Medicare services from Dr. Erdelyan across 7 procedure codes in 2024, for 118 Medicare patients. Medicare paid $28,952 for them. Every service was in an office.
Dr. Erdelyan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1482024: 1597%
- Office and hospital visits
- 2023: 1062024: 12518%
- Surgery
- 2023: 212024: 1338%
- Imaging
- 2023: 02024: 11
Dr. Erdelyan compared with the Georgia median for general surgeons, 2024
- Dr. Erdelyan
- Georgia median
- Medicare services
- 308vs 1502.1 times
- Medicare patients
- 118vs 1098% above
- Part D claims
- 16vs 5470% below
Medians across 789 general surgeons in Georgia with Dmand AI profiles that report each measure.
Dr. Erdelyan'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. Erdelyan and other general surgeons in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory L. Erdelyan treated 118 Medicare patients in 2024, average age 74
CMS counts 118 Medicare patients who saw Dr. Erdelyan in 2024. The largest group is 65 to 74, with 63 patients. 74% of them have high cholesterol, and 63% have high blood pressure. 9% are also on Medicaid. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Erdelyan's median patient age at 60, with 77% women.
Dr. Erdelyan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Erdelyan's Medicare patients by sex, 2024
- Women8875%
- Men3025%
Chronic conditions among Dr. Erdelyan's Medicare patients, 2024
- High cholesterol74%
- High blood pressure63%
- Arthritis47%
- Ischemic heart disease25%
- Anxiety18%
- Mood disorders18%
- Osteoporosis18%
- Diabetes16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Erdelyan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women77%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory L. Erdelyan wrote 16 Medicare Part D claims in 2019
In 2019, Dr. Erdelyan wrote 16 Medicare Part D claims. They cover 1 drug, with $114 in total drug cost. In 2018, CMS named 16 claims across 1 drug.
Dr. Erdelyan's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 162019: 16No change
Drugs named by CMS: 1 in 2019, 1 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Gregory L. Erdelyan ranks in the 78th percentile for varicose vein removal in Medicare
Dr. Erdelyan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 65 procedures of varicose vein removal by Dr. Erdelyan, more than 78% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Erdelyan ranks in Medicare procedure volume
- Varicose vein removal
- 78th percentile65 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gregory L. Erdelyan received $13,432 in industry payments from 2016 to 2023
CMS Open Payments shows 5 general payments to Dr. Erdelyan from 4 drug and device companies from 2016 to 2023. Debt forgiveness make up the largest share, 62% of the total. AngioDynamics, Inc. paid the most, $13,175.
General payments to Dr. Erdelyan by program year, 2016 to 2023
General payments to Dr. Erdelyan by kind, 2016 to 2023
- Debt forgiveness$8,37562%
- Device or supply loans$4,80036%
- Food and beverage$2572%
Companies that paid Dr. Erdelyan the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory L. Erdelyan graduated from University of Texas Medical School at Houston
Dr. Erdelyan graduated from University of Texas Medical School at Houston in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory L. Erdelyan'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) |
| 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. Gregory L. Erdelyan
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. Gregory L. Erdelyan's NPI number?
Dr. Gregory L. Erdelyan's NPI number is 1295786234. It was assigned on May 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory L. Erdelyan?
Dr. Gregory L. Erdelyan is a general surgeon in Kennesaw, Georgia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Gregory L. Erdelyan practice?
Dr. Erdelyan practices at 1300 Ernest Barrett Pkwy, Kennesaw, GA 30152. Dr. Erdelyan's primary practice is Georgia Phlebology in Kennesaw, Georgia. Dmand AI also links Dr. Erdelyan to 4 group practices and clinics, 3 medical groups and 1 physician office.
What is Dr. Gregory L. Erdelyan's office phone number?
The practice phone on file for Dr. Erdelyan is (678) 781-8201.
What is Dr. Gregory L. Erdelyan's medical license number?
Dr. Erdelyan holds Georgia license 35864.
What medical group is Dr. Gregory L. Erdelyan part of?
Dr. Erdelyan is linked to USA Vein Clinics, Alpharetta. Dmand AI links Dr. Erdelyan to 3 more medical groups.
Does Dr. Gregory L. Erdelyan accept Medicare?
Yes. CMS data shows Dr. Erdelyan billed Medicare for 308 services in 2024, and Dr. Erdelyan accepts Medicare assignment.
How many Medicare patients does Dr. Gregory L. Erdelyan see?
CMS counts 118 Medicare patients who saw Dr. Erdelyan in 2024, with an average age of 74.
What services does Dr. Gregory L. Erdelyan bill to Medicare?
In 2024, Dr. Erdelyan's most billed Medicare services were blood vessel study (93970), office visit, established patient (99213) and office visit, new patient (99203).
Where did Dr. Gregory L. Erdelyan go to medical school?
Dr. Erdelyan graduated from University of Texas Medical School at Houston in 1984.
Show 3 more questionsShow fewer questions
What drugs does Dr. Gregory L. Erdelyan prescribe most?
In 2019 Medicare Part D data, Dr. Erdelyan's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. Gregory L. Erdelyan received payments from drug or device companies?
CMS Open Payments shows $13,432 in general payments to Dr. Erdelyan from 4 companies from 2016 to 2023. The largest total came from AngioDynamics, Inc.
How long has Dr. Gregory L. Erdelyan been practicing?
Dr. Erdelyan graduated from medical school in 1984, 42 years ago.
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