Doctor profile · Federal record

Dr. Michelle Chastain, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Oak Lawn, IL

  • NPI 1174835359
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4440 W 95Th St, 185W
Oak Lawn, IL 604532600
(708) 684-5375
fax (708) 684-1028

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
November 21, 2014
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Illinois #036.132271

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174835359. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
851
Distinct HCPCS
6
Medicare allowed
$87,035
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 381 323 $8
99285 Emergency department visit with high level of medical decision making 302 292 $177
99291 Critical care, first 30-74 minutes 93 90 $218
99284 Emergency department visit with moderate level of medical decision making 34 32 $122
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 27 $179
99497 Advance care planning, first 30 minutes 13 13 $78

In context: peer comparison

Among 49 peers in Oak Lawn Emergency Medicine Physician, average services per provider: 79. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
87
Patients
86
Total drug cost
$1,325
Drug Type Claims Patients Total cost
Cefuroxime (Cefuroxime Axetil) Brand 31 31 $768
Ibuprofen Generic 15 14 $33
Ondansetron Odt (Ondansetron) Brand 15 15 $57
Sucralfate Generic 14 14 $384
Famotidine Generic 12 12 $84

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michelle Chastain's medical specialty?
Dr. Michelle Chastain practices Emergency Medicine Physician in Oak Lawn, IL.
Where does Dr. Michelle Chastain practice?
Dr. Michelle Chastain practices at 4440 W 95Th St, Oak Lawn, IL 604532600. Office phone: 7086845375.
What is Dr. Michelle Chastain's NPI?
Dr. Michelle Chastain's National Provider Identifier (NPI) is 1174835359, issued by NPPES.
Does Dr. Michelle Chastain accept Medicare assignment?
Yes. Dr. Michelle Chastain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michelle Chastain commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.