Physician Profile
Sarah B. Clark, MD
Unclaimed ProfileAbout Dr. Clark
Sarah B. Clark, MD practices cytopathology in Naperville, IL. Sarah is a 1996 graduate of Clvlnd Clinic Lerner College of Med of Case Wstn RSV University. Sarah is also listed as specializing in anatomic & clinical pathology. According to Medicare claims data, Sarah cared for 1,439 Medicare patients across 2,497 services. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, special stained specimen slides to examine tissue, each additional procedure, and immunologic analysis technique on serum (immunofixation).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (630) 355-0450
- Email not available
Practice Locations
801 S WASHINGTON STREET EDWARD HOSPITAL
Naperville, IL 60566
Conditions Evaluated or Diagnosed
Within Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune & Joints
- Rheumatoid arthritis
Autopsy & Forensic
- Unexplained Cause of Death
Blood & Metabolism
- Vitamin D deficiency
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Iron-deficiency anemia
- Leukemia
- Lymphoma
- Multiple Myeloma
- Sickle cell disease
Cancer
- Bladder cancer
- Bone tumors
- Brain tumor
- Breast cancer
- Cervical cancer
- Colon cancer
- Endometrial cancer
- Kidney cancer
- Liver cancer
- Lung cancer
- Oral cavity cancer
- Ovarian cancer
- Pancreatic cancer
- Prostate cancer
- Soft-tissue sarcoma
- Stomach cancer
- Testicular cancer
- Thyroid cancer
Cervical & Gynecologic
- Abnormal cervical cells and cervical dysplasia
- Endometrial hyperplasia
Digestive
- Gallbladder inflammation
- H. pylori infection
Digestive System
- Barrett's esophagus
- Celiac disease
- Colon polyps
Endocrine
- Thyroid nodules
Genetics
- Inherited Cancer Risk
Hormones
- Testosterone deficiency
Immune System
- Autoimmune Diseases
Infections
- Hepatitis C
- Lyme disease
- Mononucleosis
- Sexually transmitted infections
Kidney
- Kidney Disease
Liver
- Metabolic dysfunction-associated steatohepatitis
Metabolic & Routine Lab
- Diabetes
- Gout
- High cholesterol
Pregnancy & Fertility
- Recurrent miscarriage
Skin Cancer
- Melanoma
- Moles and atypical moles
- Skin cancer
Women's Health
- Endometriosis
- Uterine fibroids
Procedures & services
Autopsy & Forensic
- Private Autopsy Service
Blood Tests
- Blood Clotting Tests
- Blood Type Test
- Cholesterol screening
- Complete Blood Count
- Comprehensive Metabolic Panel
- Hemoglobin A1c Test
- Iron Level Blood Test
- Thyroid Blood Test
Cytology
- Body fluid cytology
- Urine cytology test
Cytology & Screening
- Fine-needle aspiration of a neck mass
- Human papillomavirus testing
- Pap Smear Test
- Thyroid Nodule Biopsy Review
Genetic & Molecular Tests
- Cancer Genetic Testing
- Liquid Biopsy
- Paternity DNA Test
- Tumor Biomarker Testing
Genetics
- Chromosome And Genetic Testing
Immune & Allergy Tests
- Allergy Blood Testing
- Autoimmune Antibody Panel
- Celiac Disease Blood Test
Infection Testing
- Blood Culture Test
- H. Pylori Breath Test
- Lyme disease test
Infection Tests
- STI Screening Panel
Lab & Blood Tests
- Cardiac enzyme blood test
- Pregnancy blood test
- Sed rate inflammation test
- Testosterone blood test
- Vitamin D blood test
Pathology Review
- Biopsy Second Opinion
- Frozen Section During Surgery
Pregnancy & Fertility
- Miscarriage tissue testing
- Placenta examination
- Sperm count test
Routine Lab Tests
- Colon cancer screening consult
- Urinalysis
- Urine Drug Screen
Tissue Biopsy
- Bone Marrow Biopsy Interpretation
- Breast Biopsy Analysis
- Cervical biopsy lab review
- Colon Polyp Testing
- Kidney Biopsy Examination
- Liver Biopsy Examination
- Lung biopsy lab review
- Lymph Node Biopsy Analysis
- Oral biopsy lab review
- Prostate Biopsy Analysis
- Skin Biopsy Lab Review
- Stomach biopsy lab review
- Uterine biopsy lab review
Procedures Most Often Billed to Medicare
2,497 services · 1,439 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
644 | More often than most peers in Cytopathology |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
505 | More often than most peers in Cytopathology |
| Immunologic analysis technique on serum (immunofixation) | Lab test | 86334 |
243 | Too few peers to compare |
| Protein measurement, serum | Lab test | 84165 |
241 | Too few peers to compare |
| Cell examination of specimen, concentration technique | Lab test | 88108 |
163 | More often than most peers in Cytopathology |
| Special stained specimen slides to identify organisms including interpretation and report | Lab test | 88312 |
136 | More often than most peers in Cytopathology |
| Evaluation of fine needle aspirate with interpretation and report | Lab test | 88173 |
136 | More often than most peers in Cytopathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
116 | More often than most peers in Cytopathology |
| Evaluation of fine needle aspirate | Lab test | 88172 |
83 | More often than most peers in Cytopathology |
| Preparation of tissue for examination by removing any calcium present | Lab test | 88311 |
69 | More often than most peers in Cytopathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Clvlnd Clinic Lerner College of Med of Case Wstn RSV University 2
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Clvlnd Clinic Lerner College of Med of Case Wstn RSV University 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Clark?
Dr. Clark is a cytopathology in Naperville, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Clark's address?
Dr. Clark is listed at 801 S Washington Street Edward Hospital, Naperville, IL 60566. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Clark?
The number on file is (630) 355-0450. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Clark's NPI number?
Dr. Clark's National Provider Identifier is 1376621300. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Clark train?
Dr. Clark attended Clvlnd Clinic Lerner College of Med of Case Wstn RSV University, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Clark been practicing?
Dr. Clark has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Clark perform?
According to Medicare billing data, Dr. Clark the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Clark confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Clark. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.