Doctor profile · Federal record

Dr. Sarah Clark, MD

Cytopathology Physician · Anatomic Pathology & Clinical Pathology Physician · Naperville, IL

  • NPI 1376621300
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
801 S Washington Street, Edward Hospital
Naperville, IL 605667060
(630) 355-0450
fax (630) 527-3911
Mailing address
Department 4387
Carol Stream, IL 601224387

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
September 11, 2025
Specialty taxonomy
207ZC0500X — NUCC code
Medicaid
IL #0361068811

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376621300. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,613
Distinct HCPCS
10
Medicare allowed
$88,133
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 748 481 $37
88341 Special stained specimen slides to examine tissue, each additional procedure 339 62 $28
84165 Protein measurement, serum 250 187 $18
86334 Immunologic analysis technique on serum (immunofixation) 250 188 $18
88173 Evaluation of fine needle aspirate with interpretation and report 184 125 $69
88311 Preparation of tissue for examination by removing any calcium present 139 131 $12
88108 Cell examination of specimen, concentration technique 133 121 $22
88307 Pathology examination of tissue using a microscope, moderately high complexity 121 60 $82
88312 Special stained specimen slides to identify organisms including interpretation and report 118 50 $26
88342 Special stained specimen slides to examine tissue, initial procedure 99 82 $34

In context: peer comparison

Among 1 peers in Naperville Cytopathology Physician, average services per provider: 174. This provider delivers 15× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sarah Clark's medical specialty?
Dr. Sarah Clark practices Cytopathology Physician in Naperville, IL.
Where does Dr. Sarah Clark practice?
Dr. Sarah Clark practices at 801 S Washington Street, Naperville, IL 605667060. Office phone: 6303550450.
What is Dr. Sarah Clark's NPI?
Dr. Sarah Clark's National Provider Identifier (NPI) is 1376621300, issued by NPPES.
What procedures does Dr. Sarah Clark commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Protein measurement, serum (HCPCS 84165). Source: CMS Medicare Physician & Other Practitioners file.