Nicholas Christopher Stefanidis, PA
- Medicare services, 2024
- 2,374
- Medicare patients, 2024
- 297
- Part D claims, 2024
- 1,200
- MIPS score, 2024
- 100
- Industry payments
- $144
- Practice address
- 1 Research Rd, Ridge, NY 11961
- Practice phone
- Call (631) 751-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Port Jefferson Station Medical Oncology
Ridge, New York
Find Nicholas Stefanidis' 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.
Nicholas Christopher Stefanidis is a physician assistant in Ridge, New York
Nicholas Stefanidis practices at Port Jefferson Station Medical Oncology in Ridge, New York.
Nicholas Stefanidis' NPI, 1356019913, was assigned on August 31, 2021. Nicholas Stefanidis graduated from Touro Un Col of Osteopathic Medicine, New York in 2021.
- NPI
- 1356019913NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799173415
- NPI enumeration date
- August 31, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (631) 751-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Nicholas Christopher Stefanidis practices at Port Jefferson Station Medical Oncology in Ridge, New York
Nicholas Stefanidis' primary practice is Port Jefferson Station Medical Oncology, at 1 Research Rd, Ridge, NY 11961 in Suffolk County. The practice phone is (631) 751-3000.
- Port Jefferson Station Medical Oncology1 Research Rd, Ridge, NY 11961 · Suffolk CountyPhone(631) 751-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Nicholas Christopher Stefanidis is affiliated with 3 sites of care and 2 medical groups
Nicholas Stefanidis' primary practice is Port Jefferson Station Medical Oncology in Ridge, New York. The medical group on file is New York Cancer & Blood Specialists. Dmand AI also links Nicholas Stefanidis to 2 more group practices and clinics and 1 medical group, 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 Nicholas Christopher Stefanidis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nicholas Stefanidis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Port Jefferson Station Medical Oncology | Available with a free account |
| +2 more sites and 1 medical group | 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.
Nicholas Christopher Stefanidis is one of 11,456 physician assistants in New York
Physician assistant is Nicholas Stefanidis' primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Clinical focus
Dmand AI lists enlarged prostate, UTI and vaginal infection among the conditions Nicholas Stefanidis treats.
Physician assistants near Nicholas Stefanidis
Counts of physician assistants 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
Nicholas Christopher Stefanidis billed Medicare for 2,374 services in 2024
CMS data shows 2,374 Medicare services from Nicholas Stefanidis across 23 procedure codes in 2024, for 297 Medicare patients. Medicare paid $109,163 for them. Every service was in an office.
Nicholas Stefanidis' Medicare services by type, 2024
- Surgery875
- Lab and pathology585
- Office and hospital visits480
- Other services237
- Imaging197
Nicholas Stefanidis compared with the New York median for physician assistants, 2024
- Nicholas Stefanidis
- New York median
- Medicare services
- 2,374vs 17613.5 times
- Medicare patients
- 297vs 783.8 times
- Part D claims
- 1,092vs 2454.5 times
Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.
Nicholas Stefanidis' 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 Nicholas Stefanidis?
Medicare shows one payer. Book a meeting to get commercial claims data for Nicholas Stefanidis and other physician assistants in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Nicholas Christopher Stefanidis treated 297 Medicare patients in 2024, average age 75
CMS counts 297 Medicare patients who saw Nicholas Stefanidis in 2024. The largest group is 65 to 74, with 121 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Nicholas Stefanidis' median patient age at 62, with 18% women.
Nicholas Stefanidis' Medicare patients by age, 2024
Nicholas Stefanidis' Medicare patients by sex, 2024
- Women6121%
- Men23679%
Chronic conditions among Nicholas Stefanidis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes47%
- Ischemic heart disease41%
- Cancer25%
- Anxiety22%
- Atrial fibrillation21%
Share of Medicare patients with each condition. A patient can have several.
Nicholas Stefanidis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women18%
- Men80%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Nicholas Christopher Stefanidis wrote 1,200 Medicare Part D claims in 2024
In 2024, Nicholas Stefanidis wrote 1,200 Medicare Part D claims for 451 patients. 92% of them were for generic drugs. CMS names the drug for 1,092 of them, across 18 drugs with 11 or more claims each, at $157,503 in total drug cost.
Nicholas Stefanidis' Part D claims by kind of drug, 2024
- Generic1,098 claims92%
- Brand-name and other102 claims9%
Nicholas Stefanidis' 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 Nicholas Stefanidis' Part D claims, 2024
- Antibiotics20%240 of 1,200 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Nicholas Christopher Stefanidis scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Nicholas Stefanidis for performance year 2024, reported as part of a group. Nicholas Stefanidis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Nicholas Stefanidis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Nicholas Stefanidis' MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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.
Nicholas Christopher Stefanidis received $144 in industry payments in 2025
CMS Open Payments shows 5 general payments to Nicholas Stefanidis from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Teleflex LLC paid the most, $84.
Companies that paid Nicholas Stefanidis the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Nicholas Christopher Stefanidis graduated from Touro Un Col of Osteopathic Medicine, New York
Nicholas Stefanidis graduated from Touro Un Col of Osteopathic Medicine, New York in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Nicholas Christopher Stefanidis'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Nicholas Christopher Stefanidis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nicholas Christopher Stefanidis' NPI number?
Nicholas Christopher Stefanidis' NPI number is 1356019913. It was assigned on August 31, 2021, and it is active in the NPI Registry.
What does Nicholas Christopher Stefanidis specialize in?
Nicholas Christopher Stefanidis is a physician assistant in Ridge, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Nicholas Christopher Stefanidis practice?
Nicholas Stefanidis practices at 1 Research Rd, Ridge, NY 11961. Nicholas Stefanidis' primary practice is Port Jefferson Station Medical Oncology in Ridge, New York. Dmand AI also links Nicholas Stefanidis to 2 group practices and clinics and 1 medical group.
What is Nicholas Christopher Stefanidis' office phone number?
The practice phone on file for Nicholas Stefanidis is (631) 751-3000.
What medical group is Nicholas Christopher Stefanidis part of?
Nicholas Stefanidis is linked to New York Cancer & Blood Specialists. Dmand AI links Nicholas Stefanidis to 1 more medical group.
Does Nicholas Christopher Stefanidis accept Medicare?
Yes. CMS data shows Nicholas Stefanidis billed Medicare for 2,374 services in 2024, and Nicholas Stefanidis accepts Medicare assignment.
Does Nicholas Christopher Stefanidis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Nicholas Stefanidis as offering telehealth services.
What is Nicholas Christopher Stefanidis' MIPS score?
Nicholas Stefanidis' MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Nicholas Christopher Stefanidis see?
CMS counts 297 Medicare patients who saw Nicholas Stefanidis in 2024, with an average age of 75.
What services does Nicholas Christopher Stefanidis bill to Medicare?
In 2024, Nicholas Stefanidis' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and surgery: urinary system (51741).
Show 4 more questionsShow fewer questions
Where did Nicholas Christopher Stefanidis go to medical school?
Nicholas Stefanidis graduated from Touro Un Col of Osteopathic Medicine, New York in 2021.
What drugs does Nicholas Christopher Stefanidis prescribe most?
In 2024 Medicare Part D data, Nicholas Stefanidis' most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Oxybutynin Chloride ER.
Has Nicholas Christopher Stefanidis received payments from drug or device companies?
CMS Open Payments shows $144 in general payments to Nicholas Stefanidis from 4 companies from 2025 to 2025. The largest total came from Teleflex LLC.
How long has Nicholas Christopher Stefanidis been practicing?
Nicholas Stefanidis graduated from medical school in 2021, 5 years ago.
Selling to physician assistant practices?
See physician assistants in New York 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