Doctor profile · Federal record

Dr. Daphne Hadjivassiliou, CNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Columbus, OH

  • NPI 1821624677
  • Accepts Medicare
  • MIPS 81.3 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3535 Olentangy River RD
Columbus, OH 432143908
(614) 566-5000
fax (614) 566-1864
Mailing address
5450 Frantz RD
Dublin, OH 430164134

Credentials & registration

NPPES · NUCC
NPI registered
March 2020 — 6 yrs on file
Profile last updated
January 25, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Ohio #026309

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821624677. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
24
Distinct HCPCS
2
Medicare allowed
$1,806
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $109
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 12 11 $42

In context: peer comparison

Among 233 peers in this city , average services per provider: 87. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$53
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Solventum Corporation 1 $53.46

By nature of payment

Food and Beverage
$53

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
13
Total drug cost
$308
Drug Type Claims Patients Total cost
Cyclobenzaprine Hcl Generic 13 13 $140
Oxycodone Hcl Generic 11 0 $168

Frequently asked questions

Auto-generated from federal data
What is Dr. Daphne Hadjivassiliou's medical specialty?
Dr. Daphne Hadjivassiliou practices Family Nurse Practitioner in Columbus, OH.
Where does Dr. Daphne Hadjivassiliou practice?
Dr. Daphne Hadjivassiliou practices at 3535 Olentangy River RD, Columbus, OH 432143908. Office phone: 6145665000.
What is Dr. Daphne Hadjivassiliou's NPI?
Dr. Daphne Hadjivassiliou's National Provider Identifier (NPI) is 1821624677, issued by NPPES.
Does Dr. Daphne Hadjivassiliou accept Medicare assignment?
Yes. Dr. Daphne Hadjivassiliou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daphne Hadjivassiliou commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.