Doctor profile · Federal record

Dr. Christos Fountzilas, M.D.

Medical Oncology Physician (CMS: Medical Oncology) · Buffalo, NY

  • NPI 1558672105
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
Elm and Carlton Streets
Buffalo, NY 142630001
(716) 845-2300
Additional location
50 E 76Th St, Appartment 4A
New York, NY 100212707
(212) 434-2422
Mailing address
7979 Wurzbach RD, Appartment 4A
San Antonio, TX 782294427

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
July 15, 2019
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
New York #287267

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558672105. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
257
Distinct HCPCS
4
Medicare allowed
$25,898
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 165 54 $94
99213 Established patient office or other outpatient visit, 20-29 minutes 39 27 $63
99215 Established patient office or other outpatient visit, 40-54 minutes 33 20 $137
99205 New patient office or other outpatient visit, 60-74 minutes 20 20 $173

In context: peer comparison

Among 11 peers in Buffalo Medical Oncology Physician, average services per provider: 51. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
123
Patients
49
Total drug cost
$45,819
Drug Type Claims Patients Total cost
Metoclopramide Hcl Generic 27 23 $199
Xarelto (Rivaroxaban) Brand 25 0 $13,203
Mirtazapine Generic 18 14 $579
Ondansetron Hcl Generic 16 12 $223
Creon (Lipase/Protease/Amylase) Brand 14 0 $30,871
Prochlorperazine Maleate Generic 12 0 $613
Pantoprazole Sodium Generic 11 0 $130

Frequently asked questions

Auto-generated from federal data
What is Dr. Christos Fountzilas's medical specialty?
Dr. Christos Fountzilas practices Medical Oncology Physician in Buffalo, NY.
Where does Dr. Christos Fountzilas practice?
Dr. Christos Fountzilas practices at Elm and Carlton Streets, Buffalo, NY 142630001. Office phone: 7168452300.
What is Dr. Christos Fountzilas's NPI?
Dr. Christos Fountzilas's National Provider Identifier (NPI) is 1558672105, issued by NPPES.
Does Dr. Christos Fountzilas accept Medicare assignment?
Yes. Dr. Christos Fountzilas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christos Fountzilas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.