Ayarpi Nikolopoulos, PA-C
- Medicare services, 2024
- 19
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 142
- Hospital affiliations
- 1
- Industry payments
- $374
- Practice address
- 1500 San Pablo Street, Los Angeles, CA 90033
- Practice phone
- Call (323) 442-8656
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Ayarpi Nikolopoulos' 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.
Ayarpi Nikolopoulos is a physician assistant in Los Angeles, California
Ayarpi Nikolopoulos practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.
Ayarpi Nikolopoulos' NPI, 1841332376, was assigned on February 12, 2007. Ayarpi Nikolopoulos graduated from University of Southern California Keck School of Medicine in 2006. Ayarpi Nikolopoulos holds California license 18540.
- NPI
- 1841332376NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729406632
- NPI enumeration date
- February 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 442-8656
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ayarpi Nikolopoulos practices at Keck Hospital of USC in Los Angeles, California
Ayarpi Nikolopoulos' primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.
- Keck Hospital of USC1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656
Source: Dmand AI Affiliation Data
Ayarpi Nikolopoulos is affiliated with 4 sites of care and 1 medical group
Ayarpi Nikolopoulos' primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. The medical group on file is USC Care Medical Group. Dmand AI also links Ayarpi Nikolopoulos to 1 more group practice or clinic, 1 other site and 1 urgent care 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 Ayarpi Nikolopoulos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ayarpi Nikolopoulos practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Keck Hospital of USC | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Ayarpi Nikolopoulos is one of 11,482 physician assistants in California
Physician assistant is Ayarpi Nikolopoulos' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Ayarpi Nikolopoulos is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Ayarpi Nikolopoulos is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists fluid and electrolyte imbalances, neuropathy and osteoporosis among the conditions Ayarpi Nikolopoulos treats.
Physician assistants near Ayarpi Nikolopoulos
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
Ayarpi Nikolopoulos billed Medicare for 19 services in 2024
CMS data shows 19 Medicare services from Ayarpi Nikolopoulos across 1 procedure code in 2024, all of them office visits, for 20 Medicare patients. Medicare paid $1,928 for them. Every service was in an office.
Ayarpi Nikolopoulos compared with the California median for physician assistants, 2024
- Ayarpi Nikolopoulos
- California median
- Medicare services
- 19vs 20491% below
- Medicare patients
- 20vs 10581% below
- Part D claims
- 30vs 24388% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Ayarpi Nikolopoulos' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Ayarpi Nikolopoulos treated 20 Medicare patients in 2024, average age 69
CMS counts 20 Medicare patients who saw Ayarpi Nikolopoulos in 2024. 75% of them have cancer, and 70% have high blood pressure. Their average risk score is 2.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Ayarpi Nikolopoulos' median patient age at 61, with 76% women.
Chronic conditions among Ayarpi Nikolopoulos' Medicare patients, 2024
- Cancer75%
- High blood pressure70%
- High cholesterol70%
- Arthritis65%
- Depression55%
- Mood disorders55%
Share of Medicare patients with each condition. A patient can have several.
Ayarpi Nikolopoulos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women76%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ayarpi Nikolopoulos wrote 142 Medicare Part D claims in 2024
In 2024, Ayarpi Nikolopoulos wrote 142 Medicare Part D claims for 33 patients. 83% of them were for generic drugs. CMS names the drug for 30 of them, across 2 drugs with 11 or more claims each, at $679 in total drug cost.
Ayarpi Nikolopoulos' Part D claims by kind of drug, 2024
- Generic118 claims83%
- Brand-name24 claims17%
Ayarpi Nikolopoulos' 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 Ayarpi Nikolopoulos' Part D claims, 2024
- Opioids10%14 of 142 claims
- Antibiotics9%13 of 142 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
How Ayarpi Nikolopoulos takes part in Medicare
Ayarpi Nikolopoulos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Ayarpi Nikolopoulos received $374 in industry payments from 2024 to 2025
CMS Open Payments shows 6 general payments to Ayarpi Nikolopoulos from 5 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $125.
General payments to Ayarpi Nikolopoulos by program year, 2024 to 2025
Companies that paid Ayarpi Nikolopoulos the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Ayarpi Nikolopoulos graduated from University of Southern California Keck School of Medicine
Ayarpi Nikolopoulos graduated from University of Southern California Keck School of Medicine in 2006. Ayarpi Nikolopoulos is a member of AAPA.
- Medical school
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Ayarpi Nikolopoulos'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) |
| 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 Ayarpi Nikolopoulos
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ayarpi Nikolopoulos' NPI number?
Ayarpi Nikolopoulos' NPI number is 1841332376. It was assigned on February 12, 2007, and it is active in the NPI Registry.
What does Ayarpi Nikolopoulos specialize in?
Ayarpi Nikolopoulos is a physician assistant in Los Angeles, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Ayarpi Nikolopoulos practice?
Ayarpi Nikolopoulos practices at 1500 San Pablo Street, Los Angeles, CA 90033. Ayarpi Nikolopoulos' primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Ayarpi Nikolopoulos to 1 group practice or clinic, 1 other site and 1 urgent care center.
What is Ayarpi Nikolopoulos' office phone number?
The practice phone on file for Ayarpi Nikolopoulos is (323) 442-8656.
What is Ayarpi Nikolopoulos' medical license number?
Ayarpi Nikolopoulos holds California license 18540.
Which hospitals is Ayarpi Nikolopoulos affiliated with?
Ayarpi Nikolopoulos practices at Keck Hospital of USC in Los Angeles, California.
What medical group is Ayarpi Nikolopoulos part of?
Ayarpi Nikolopoulos is linked to USC Care Medical Group.
Does Ayarpi Nikolopoulos accept Medicare?
Yes. CMS data shows Ayarpi Nikolopoulos billed Medicare for 19 services in 2024, and Ayarpi Nikolopoulos accepts Medicare assignment.
How many Medicare patients does Ayarpi Nikolopoulos see?
CMS counts 20 Medicare patients who saw Ayarpi Nikolopoulos in 2024, with an average age of 69.
Is Ayarpi Nikolopoulos board certified?
Yes. Ayarpi Nikolopoulos is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
Show 5 more questionsShow fewer questions
What services does Ayarpi Nikolopoulos bill to Medicare?
In 2024, Ayarpi Nikolopoulos' most billed Medicare services were office visit, established patient (99215).
Where did Ayarpi Nikolopoulos go to medical school?
Ayarpi Nikolopoulos graduated from University of Southern California Keck School of Medicine in 2006.
What drugs does Ayarpi Nikolopoulos prescribe most?
In 2024 Medicare Part D data, Ayarpi Nikolopoulos' most prescribed drugs by claims were Ondansetron HCl and Gabapentin.
Has Ayarpi Nikolopoulos received payments from drug or device companies?
CMS Open Payments shows $374 in general payments to Ayarpi Nikolopoulos from 5 companies from 2024 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Ayarpi Nikolopoulos been practicing?
Ayarpi Nikolopoulos graduated from medical school in 2006, 20 years ago.
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