Doctor profile · Federal record

Dr. Evelyn Diaz-Jimenez, M.D.

Internal Medicine Physician (CMS: Emergency Medicine) · Carol Stream, IL

  • NPI 1043380231
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
575 Thornhill Dr
Carol Stream, IL 601882763
(630) 480-0226
fax (630) 868-3127
Mailing address
28714 W. Park Dr
Barrington, IL 600101204

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
February 2, 2016
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036083384

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043380231. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
103
Distinct HCPCS
6
Medicare allowed
$13,734
HCPCS Description Services Patients Avg allowed
99238 Hospital discharge day management, 30 minutes or less 20 20 $85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 19 19 $182
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 18 15 $83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 18 16 $125
99291 Critical care, first 30-74 minutes 17 16 $227
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 11 11 $91

In context: peer comparison

Among 3 peers in this city , average services per provider: 203. This provider delivers 0.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Evelyn Diaz-Jimenez's medical specialty?
Dr. Evelyn Diaz-Jimenez practices Internal Medicine Physician in Carol Stream, IL.
Where does Dr. Evelyn Diaz-Jimenez practice?
Dr. Evelyn Diaz-Jimenez practices at 575 Thornhill Dr, Carol Stream, IL 601882763. Office phone: 6304800226.
What is Dr. Evelyn Diaz-Jimenez's NPI?
Dr. Evelyn Diaz-Jimenez's National Provider Identifier (NPI) is 1043380231, issued by NPPES.
Does Dr. Evelyn Diaz-Jimenez accept Medicare assignment?
Yes. Dr. Evelyn Diaz-Jimenez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Evelyn Diaz-Jimenez commonly perform?
Top Medicare-reported procedures in 2023: Hospital discharge day management (HCPCS 99238); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.