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Edit this profileCharles S. Eby, MD is a healthcare provider in Saint Louis, MO specializing in pathology. According to Medicare claims data, Charles cared for 662 Medicare patients across 839 services. The services billed most often include protein measurement, serum, immunologic analysis technique on serum (immunofixation), and immunologic analysis technique on body fluid, other fluids with concentration. This provider record is associated with NPI 1457377764.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4921 PARKVIEW PL DIV PA LAB AND GENOMIC MED, STE 4E
Saint Louis, MO 63110
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.
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
Cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Autopsy & Forensic
Blood Tests
Cytology
Cytology & Screening
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
839 services · 662 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Protein measurement, serum | Lab test | 84165 |
487 | More often than most peers in Pathology |
| Immunologic analysis technique on serum (immunofixation) | Lab test | 86334 |
234 | As often as other peers in Pathology |
| Immunologic analysis technique on body fluid, other fluids with concentration | Lab test | 86335 |
70 | As often as other peers in Pathology |
| Protein measurement, body fluid | Lab test | 84166 |
48 | As often as other peers in Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Eby is a pathologist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology”.
NPI registry
Dr. Eby is listed at 4921 Parkview Pl Div Pa Lab and Genomic Med, Ste 4E, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (314) 362-5641. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Eby's National Provider Identifier is 1457377764. 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
Dr. Eby has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Eby 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Eby. If this is you, claiming it is free.
Guide.md
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