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DR. ANDREW EVERETT OLIVER HUGHES MD PHD
NPI 1659924710
Pathology - Clinical Pathology in Saint Louis, MO

Active since July 18, 2019PECOS Enrolled
4320 FOREST PARK AVE, DIV PA, GENOMIC AND MOLECULAR PATHOLOGY, STE 209, SAINT LOUIS, MO 63108(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 18, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Aug 8, 2023 and 1 more (4 updates tracked since 2019).

About Dr. Andrew Everett Oliver Hughes Md Phd NPPES

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

DR. ANDREW EVERETT OLIVER HUGHES MD PHD (NPI 1659924710) is an individual clinical pathology provider in Saint Louis, Missouri, licensed in Missouri (2022008833) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659924710
Entity TypeIndividualMale
Primary Taxonomy207ZC0006X
Provider Legal NameDR. ANDREW EVERETT OLIVER HUGHESCredential: MD PHD
Location Address4320 FOREST PARK AVE, DIV PA, GENOMIC AND MOLECULAR PATHOLOGY, STE 209Saint Louis, MO 63108-2979
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 18, 2019
Last NPPES UpdateApril 17, 20254 updates tracked since enumeration
✔ NPI 1659924710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZC0006X
License✔ Licensed in MO · 2022008833
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
4320 FOREST PARK AVE, Saint Louis, MO 63108
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Other Identifiers 1

Medicaid200075290MO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Andrew Everett Oliver Hughes Md Phd 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 Reassignment

Medicare enrollment records show Andrew Hughes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Washington University
0.6 mi
Multi-Specialty
660 S EUCLID AVE
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 77 clinicians in this Medicare group
NPI 1316987746 (314) 362-5641

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63108 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.

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. KEVIN L KONZEN MD
Internal Medicine
4320 FOREST PARK AVE, STE 1100
SAINT LOUIS, MO 63108
St. Louis City (314) 333-4100
WASHINGTON UNIVERSITY
Clinical Medical Laboratory
4320 FOREST PARK AVE, SUITE 209
SAINT LOUIS, MO 63108
St. Louis City (314) 362-5641
DR. LULU SUN MD
Pathology (Molecular Genetic Pathology)
4320 FOREST PARK AVE, DIV PA, GENOMIC AND MOLECULAR PATHOLOGY, STE 209
SAINT LOUIS, MO 63108
St. Louis City (314) 362-5641
DR. LINDSEY MARIE VALDIVIEZ DO
Internal Medicine
4320 FOREST PARK AVE, STE 1100
SAINT LOUIS, MO 63108
St. Louis City (314) 333-4100
DR. JONATHAN NICHOLAS BYRD MD
Internal Medicine
4320 FOREST PARK AVE, STE 1100
SAINT LOUIS, MO 63108
St. Louis City (314) 333-4100
DR. LEIGH ANNE COMPTON MD PHD
Pathology (Anatomic Pathology & Clinical Pathology)
4320 FOREST PARK AVE, DIV PA DERMATOPATHOLOGY, STE 212
SAINT LOUIS, MO 63108
St. Louis City (314) 362-5641
MS. CHRISTINE ELIZABETH JOHNSON ANP
Nurse Practitioner
4320 FOREST PARK AVE, STE 1100
SAINT LOUIS, MO 63108
St. Louis City (314) 333-4100
DR. BIJAL ANIL PARIKH MD
Pathology (Clinical Pathology/Laboratory Medicine)
4320 FOREST PARK AVE, DIV PA, GENOMIC AND MOLECULAR PATHOLOGY, STE 209
SAINT LOUIS, MO 63108
St. Louis City (314) 362-5641

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 Andrew Hughes's NPI number?

The NPI number for Andrew Hughes is 1659924710. It was assigned to this individual provider in the NPPES registry on July 18, 2019.

Where is Andrew Hughes located?

Andrew Hughes practices at 4320 Forest Park Ave Div PA, Genomic And Molecular Pathology, Ste 209, Saint Louis, MO 63108. The listed phone number is (314) 362-5641.

What is Andrew Hughes's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology, with taxonomy code 207ZC0006X.

Is Andrew Hughes enrolled in Medicare?

Yes. Andrew Hughes is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andrew Hughes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Hughes reassigns Medicare benefits to Washington University (Saint Louis, MO). The 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 Andrew Hughes'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 Andrew Hughes 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.