Doctor profile · Federal record

Dr. Irene Katzan, MD

Neurological Surgery Physician (CMS: Neurology) · Cleveland, OH

  • NPI 1891738803
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9500 Euclid Ave
Cleveland, OH 441950001
(800) 223-2273
Mailing address
6000 W Creek RD, Suite 10
Independence, OH 441312139

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
February 11, 2008
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Ohio #35074604
Medicaid
OH #2115375

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891738803. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
121
Distinct HCPCS
7
Medicare allowed
$10,131
HCPCS Description Services Patients Avg allowed
93880 Ultrasound of both sides of head and neck blood flow 23 23 $37
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 22 22 $81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 19 11 $115
99447 Telephone or internet assessment with verbal and written report by consulting physician, 11-20 minutes 19 19 $34
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 14 11 $76
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 13 $168
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $129

In context: peer comparison

Among 20 peers in Cleveland Neurological Surgery Physician, average services per provider: 27. This provider delivers 4.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Irene Katzan's medical specialty?
Dr. Irene Katzan practices Neurological Surgery Physician in Cleveland, OH.
Where does Dr. Irene Katzan practice?
Dr. Irene Katzan practices at 9500 Euclid Ave, Cleveland, OH 441950001. Office phone: 8002232273.
What is Dr. Irene Katzan's NPI?
Dr. Irene Katzan's National Provider Identifier (NPI) is 1891738803, issued by NPPES.
Does Dr. Irene Katzan accept Medicare assignment?
Yes. Dr. Irene Katzan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Irene Katzan commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of both sides of head and neck blood flow (HCPCS 93880); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.