Doctor profile · Federal record

Dr. ANCA ZEGREAN, M.D.

Nephrology Physician (CMS: NEPHROLOGY) · LIBERTYVILLE, IL

  • NPI 1508009416
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1272 AMERICAN WAY
LIBERTYVILLE, IL 600483936
(847) 549-7222
fax (847) 549-7260
Mailing address
210 S DESPLAINES ST
CHICAGO, IL 606615500

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
November 22, 2024
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Illinois #036125012
Medicaid
WV #3810026117

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508009416. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,607
Distinct HCPCS
10
Medicare allowed
$301,410
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,483 408 $82
99213 Established patient office or other outpatient visit, 20-29 minutes 288 183 $79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 217 192 $179
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 160 29 $362
99214 Established patient office or other outpatient visit, 30-39 minutes 129 92 $102
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 105 87 $134
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 63 44 $123
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 59 29 $301
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 44 35 $52
90935 Hemodialysis procedure with physician evaluation 35 25 $73

In context: peer comparison

Among 3 peers in this city , average services per provider: 200. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,011
Transactions
69
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 19 $550.75
AstraZeneca Pharmaceuticals LP 7 $238.47
Mallinckrodt Hospital Products Inc. 9 $202.15
Lilly USA, LLC 7 $174.79
Ardelyx, Inc. 3 $157.06
Aurinia Pharma U.S., Inc. 4 $90.31
Bayer Healthcare Pharmaceuticals Inc. 3 $79.72
CALLIDITAS THERAPEUTICS US INC. 3 $75.28
Novartis Pharmaceuticals Corporation 3 $74.31
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $73.50
Otsuka America Pharmaceutical, Inc. 2 $53.22
Vifor Pharma, Inc. 2 $43.45
Ultragenyx Pharmaceutical Inc. 2 $39.52
Travere Therapeutics, Inc. 1 $34.26
Daiichi Sankyo Inc. 1 $32.42

By nature of payment

Food and Beverage
$1,984
Education
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
839
Patients
266
Total drug cost
$149,616
Drug Type Claims Patients Total cost
Furosemide Generic 147 52 $1,035
Farxiga (Dapagliflozin Propanediol) Brand 74 23 $96,179
Allopurinol Generic 72 25 $1,051
Amlodipine Besylate Generic 66 26 $772
Lisinopril Generic 66 25 $950
Torsemide Generic 54 20 $2,085
Clinolipid (Fat Emulsion/Olive/Soy/Phospho) Brand 52 0 $7,573
Metoprolol Succinate Generic 52 20 $1,765
Losartan Potassium Generic 49 20 $1,012
Tamsulosin Hcl Generic 40 12 $575

Hospital affiliations

CMS Hospital Compare