Dr. Nicholas James Koullas, DO
- Part D claims, 2020
- 38
- Hospital affiliations
- 3
- Industry payments
- $10,656
- Medical group
- 1
- State license
- 1
- Practice address
- 2701 N Decatur Road, Decatur, GA 30033
- Practice phone
- Call (404) 501-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Koullas' 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. Nicholas James Koullas is a general surgeon in Decatur, Georgia
Dr. Koullas practices at Emory Decatur Hospital in Decatur, Georgia, part of Emory University.
Dr. Koullas' NPI, 1407415672, was assigned on June 11, 2019. Dr. Koullas graduated from Alabama College of Osteopathic Medicine in 2015. Dr. Koullas holds Georgia license 12155.
- NPI
- 1407415672NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608105655
- NPI enumeration date
- June 11, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (404) 501-1000
- 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. Nicholas James Koullas practices at Emory Decatur Hospital in Decatur, Georgia
Dr. Koullas' primary practice is Emory Decatur Hospital, at 2701 N Decatur Road, Decatur, GA 30033 in De Kalb County. The practice phone is (404) 501-1000.
- Emory Decatur Hospital2701 N Decatur Road, Decatur, GA 30033 · De Kalb CountyPhone(404) 501-1000
Source: Dmand AI Affiliation Data
Dr. Nicholas James Koullas is affiliated with 4 sites of care and 1 medical group
Dr. Koullas' primary practice is Emory Decatur Hospital in Decatur, Georgia, part of Emory University. Dr. Koullas is also affiliated with Emory Saint Joseph's Hospital. The medical group on file is Emory Clinic. Dmand AI also links Dr. Koullas to 1 more hospital and 1 ambulatory surgery center, 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. Nicholas James Koullas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koullas practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Emory Decatur Hospital | 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 Emory University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nicholas James Koullas is one of 853 general surgeons in Georgia
Surgery is Dr. Koullas' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Koullas is licensed in Georgia.
Specialties and state licenses
- Surgery, GeorgiaPrimary
General surgeons near Dr. Koullas
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. Nicholas James Koullas' patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Koullas' median patient age at 72, with 65% women.
Dr. Koullas' 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
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Nicholas James Koullas wrote 38 Medicare Part D claims in 2020
In 2020, Dr. Koullas wrote 38 Medicare Part D claims. They cover 2 drugs, with $149 in total drug cost. In 2019, CMS named 32 claims across 2 drugs.
Dr. Koullas' most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 322020: 3819%
Drugs named by CMS: 2 in 2020, 2 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Nicholas James Koullas takes part in Medicare
Dr. Koullas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 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)
Removal of tissue: 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)
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. Nicholas James Koullas received $10,656 in industry payments from 2019 to 2025
CMS Open Payments shows 163 general payments to Dr. Koullas from 25 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 76% of the total. Integra LifeSciences Corporation paid the most, $5,732.
General payments to Dr. Koullas by program year, 2019 to 2025
General payments to Dr. Koullas by kind, 2019 to 2025
- Food and beverage$8,05176%
- Education$1,75016%
- Device or supply loans$6406%
- Travel and lodging$2152%
Companies that paid Dr. Koullas the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nicholas James Koullas graduated from Alabama College of Osteopathic Medicine
Dr. Koullas graduated from Alabama College of Osteopathic Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nicholas James Koullas'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Nicholas James Koullas
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. Nicholas James Koullas' NPI number?
Dr. Nicholas James Koullas' NPI number is 1407415672. It was assigned on June 11, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas James Koullas?
Dr. Nicholas James Koullas is a general surgeon in Decatur, Georgia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nicholas James Koullas practice?
Dr. Koullas practices at 2701 N Decatur Road, Decatur, GA 30033. Dr. Koullas' primary practice is Emory Decatur Hospital in Decatur, Georgia, part of Emory University. Dmand AI also links Dr. Koullas to 1 hospital and 1 ambulatory surgery center.
What is Dr. Nicholas James Koullas' office phone number?
The practice phone on file for Dr. Koullas is (404) 501-1000.
What is Dr. Nicholas James Koullas' medical license number?
Dr. Koullas holds Georgia license 12155.
Which hospitals is Dr. Nicholas James Koullas affiliated with?
Dr. Koullas practices at Emory Decatur Hospital in Decatur, Georgia. Dr. Koullas is also affiliated with Emory Saint Joseph's Hospital. Dmand AI links Dr. Koullas to 1 more hospital.
What medical group is Dr. Nicholas James Koullas part of?
Dr. Koullas is linked to Emory Clinic.
Does Dr. Nicholas James Koullas accept Medicare?
Yes. CMS lists Dr. Koullas as accepting Medicare assignment.
Where did Dr. Nicholas James Koullas go to medical school?
Dr. Koullas graduated from Alabama College of Osteopathic Medicine in 2015.
What drugs does Dr. Nicholas James Koullas prescribe most?
In 2020 Medicare Part D data, Dr. Koullas' most prescribed drugs by claims were Hydrocodone-Acetaminophen and Oxycodone-Acetaminophen.
Has Dr. Nicholas James Koullas received payments from drug or device companies?
CMS Open Payments shows $10,656 in general payments to Dr. Koullas from 25 companies from 2019 to 2025. The largest total came from Integra LifeSciences Corporation.
How long has Dr. Nicholas James Koullas been practicing?
Dr. Koullas graduated from medical school in 2015, 11 years ago.
Selling to surgery practices?
See general 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