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DR. CHARLES S EBY MD
NPI 1457377764
Pathology - Blood Banking & Transfusion Medicine in Saint Louis, MO

Active since July 14, 2006PECOS Enrolled
79.29/100
CMS Quality Rating
4921 PARKVIEW PL, DIV PA LAB AND GENOMIC MED, STE 4E, SAINT LOUIS, MO 63110(314) 362-5641(314) 362-0369 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Nov 15, 2021 and 1 more (4 updates tracked since 2016).

About Dr. Charles S Eby Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLES S EBY MD (NPI 1457377764) is an individual blood banking & transfusion medicine provider in Saint Louis, Missouri, licensed in Missouri (R6J04) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457377764
Entity TypeIndividualMale
Primary Taxonomy207ZB0001X
Provider Legal NameDR. CHARLES S EBYCredential: MD
Location Address4921 PARKVIEW PL, DIV PA LAB AND GENOMIC MED, STE 4ESaint Louis, MO 63110-1032
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-5641 · Fax (314) 362-0369
Phone(314) 362-5641
Fax(314) 362-0369
Sole ProprietorNo
Enumeration DateJuly 14, 2006
Last NPPES UpdateApril 17, 20254 updates tracked since enumeration
✔ NPI 1457377764 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Blood Banking & Transfusion MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZB0001X
License✔ Licensed in MO · R6J04
Definition
A physician who specializes in blood banking/transfusion medicine is responsible for the maintenance of an adequate blood supply, blood donor and patient-recipient safety and appropriate blood utilization. Pre-transfusion compatibility testing and antibody testing assure that blood transfusions, when indicated, are as safe as possible. This physician directs the preparation and safe use of specially prepared blood components, including red blood cells, white blood cells, platelets and plasma constituents, and marrow or stem cells for transplantation.
4921 PARKVIEW PL, Saint Louis, MO 63110
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Other Identifiers 1

Medicaid203006531MO

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Charles S Eby Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Charles Eby reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Washington University Physicians In Illinois, Inc
0.1 mi
Multi-Specialty
4901 FOREST PARK AVE STE 341
Saint Louis, MO 63108
  • Reassigned Medicare billing, Illinois enrollment
  • 530 clinicians in this Medicare group
NPI 1457203135 (314) 454-8181
Washington University
0.3 mi
Multi-Specialty
660 S EUCLID AVE
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • Also billed through NPI 1316987746 (Missouri)
  • 1,133 clinicians in this Medicare group
NPI 1992746903 (314) 747-5192

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Protein measurement, serum 84165
A serum protein measurement is a blood test that determines the levels of proteins in your blood. It is used to evaluate your overall health, and diagnose nutritional problems, kidney disease, liver disease, or immune disorders.
487 services363 patients
Immunologic analysis technique on serum (immunofixation) 86334
Immunofixation is a lab test that helps identify proteins called immunoglobulins in your blood serum. These proteins are part of your immune system. Changes in their levels can indicate certain diseases. The test is simple and only requires a blood sample.
234 services200 patients
Immunologic analysis technique on body fluid, other fluids with concentration 86335
Immunologic analysis is a diagnostic method that assesses your body fluids to detect health issues. It involves concentrating these fluids to enhance detection of specific proteins or cells. It helps identify immune system responses, aiding in accurate diagnosis and treatment.
70 services59 patients
Protein measurement, body fluid 84166
A protein measurement of body fluid is a test that gauges the amount of proteins in your fluids. This analysis helps in detecting various health conditions. It's done via a simple sample collection process, usually from blood or urine, in a safe and painless manner.
48 services40 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CHARLES PHILLIPS JONES MD
Urology
4921 PARKVIEW PL, DIV SURG UROLOGY, STE 11C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-8200
DR. PRABHA RANGANATHAN MD
Internal Medicine (Rheumatology)
4921 PARKVIEW PL, DIV IM RHEUMATOLOGY, STE 5C
SAINT LOUIS, MO 63110
St. Louis City (314) 286-2635
DR. RALPH GERARD DACEY JR. MD
Neurological Surgery
4921 PARKVIEW PL, DEPT NEUROLOGICAL SURGERY, STE 6B/6C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-3577
DR. KRASIMIRA MIKHAILOVA MIKHOVA MD
Internal Medicine (Clinical Cardiac Electrophysiology)
4921 PARKVIEW PL, DIV IM CARDIOLOGY, STE 8B
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1291
DR. JEE YOUNG HAN MD
Psychiatry & Neurology (Neurology)
4921 PARKVIEW PL, DIV NEUROLOGY AGING AND DEMENTIA, STE 6C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1408
MS. MAREN JORGENSEN OT
Occupational Therapist
4921 PARKVIEW PL, DEPT OCCUPATIONAL THERAPY, STE 6F
SAINT LOUIS, MO 63110
St. Louis City (314) 286-1669
DR. ADRIAN SHIFREN MD
Internal Medicine (Pulmonary Disease)
4921 PARKVIEW PL, DIV IM PULMONARY AND CCM, 8TH FL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-8917
DR. MYRA L RUBIO MD
Internal Medicine
4921 PARKVIEW PL, STE 5A
SAINT LOUIS, MO 63110
St. Louis City (314) 747-5900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Eby's NPI number?

The NPI number for Charles Eby is 1457377764. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is Charles Eby located?

Charles Eby practices at 4921 Parkview Pl Div PA Lab And Genomic Med, Ste 4E, Saint Louis, MO 63110. The listed phone number is (314) 362-5641.

What is Charles Eby's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Blood Banking & Transfusion Medicine, with taxonomy code 207ZB0001X.

Is Charles Eby enrolled in Medicare?

Yes. Charles Eby is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Charles Eby's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Eby reassigns Medicare benefits to 2 organizations: Washington University Physicians In Illinois, Inc (Saint Louis, MO) and Washington University (Saint Louis, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Eby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Charles Eby was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.