Doctor profile · Federal record

Dr. Demytra Mihailidis, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Medical Oncology Physician · Appleton, WI

  • NPI 1235441023
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
2500 E Capitol Dr
Appleton, WI 549118735
(920) 364-3600
Additional location
Internal Medicine Residency, 263 Farmington Ave
Farmington, CT 060300001
(860) 679-6296
Additional location
199 Park Club Ln Ste 200
Williamsville, NY 142215269
(716) 634-3340
fax (716) 634-3350
Mailing address
3 Neenah Ctr
Neenah, WI 549563070

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
August 21, 2024
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Wisconsin #84135 · New York #310018

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235441023. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
180
Distinct HCPCS
5
Medicare allowed
$11,071
HCPCS Description Services Patients Avg allowed
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 54 15 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 51 19 $125
36415 Insertion of needle into vein for collection of blood sample 40 17 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 20 15 $84
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $153

In context: peer comparison

Among 3 peers in Appleton Hematology & Oncology Physician, average services per provider: 42. This provider delivers 4.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,164
Transactions
12
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 12 $1,163.66

By nature of payment

Long Term Medical Supply or Device Loan
$1,164

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
190
Patients
60
Total drug cost
$4,351
Drug Type Claims Patients Total cost
Letrozole Generic 101 35 $3,104
Anastrozole Generic 33 0 $632
Dexamethasone Generic 16 0 $304
Ondansetron Hcl Generic 14 13 $79
Prochlorperazine Maleate Generic 14 12 $139
Acyclovir Generic 12 0 $93

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Demytra Mihailidis's medical specialty?
Dr. Demytra Mihailidis practices Hematology & Oncology Physician in Appleton, WI.
Where does Dr. Demytra Mihailidis practice?
Dr. Demytra Mihailidis practices at 2500 E Capitol Dr, Appleton, WI 549118735. Office phone: 9203643600.
What is Dr. Demytra Mihailidis's NPI?
Dr. Demytra Mihailidis's National Provider Identifier (NPI) is 1235441023, issued by NPPES.
Does Dr. Demytra Mihailidis accept Medicare assignment?
Yes. Dr. Demytra Mihailidis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Demytra Mihailidis commonly perform?
Top Medicare-reported procedures in 2023: Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.