GUIHUA CAO M.D.
NPI 1821071978
Pathology - Anatomic Pathology & Clinical Pathology in Saint Louis, MO

Q: What is Guihua Cao's NPI number?

The NPI number for Guihua Cao is 1821071978. It was assigned to this individual provider in the NPPES registry on November 22, 2005.

Q: What is Guihua Cao's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Guihua Cao was last updated on October 29, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since November 22, 2005PECOS EnrolledAccepts Medicare Assignment

6420 CLAYTON RD, SAINT LOUIS, MO 63117(314) 768-8202(314) 768-7145 Get Directions Write a Review

NPPES record last updated: October 29, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Guihua Cao M.d. NPPES

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

GUIHUA CAO M.D. (NPI 1821071978) is an individual anatomic pathology & clinical pathology provider in Saint Louis, Missouri, licensed in Missouri (2002021161) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Ssm St Joseph Health Center, and is a graduate of Other (1984).

NPPES Registry Identity

NPI1821071978

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameGUIHUA CAOCredential: M.D.

Location Address6420 CLAYTON RDSaint Louis, MO 63117-1811

Mailing AddressPo Box 795083Saint Louis, MO 63179-0795 · (314) 821-8055 · Fax (314) 821-1833

Phone(314) 768-8202

Fax(314) 768-7145

Sole ProprietorYes

Medical School CMSOtherGraduated 1984

Enumeration DateNovember 22, 2005

Last NPPES UpdateOctober 29, 2020

NPPES CertifiedOctober 29, 2020

✔ NPI 1821071978 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in MO · 2002021161

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.

6420 CLAYTON RD, Saint Louis, MO 63117

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Other Identifiers 8

Other042938MO · Health Alliance

Other1100694MO · United Health Care

Other373987MO · Healthlink

Other115261MO · Bcbs

Medicaid208341313MO

OtherH72159MO · Mercy

Other220033561MO · Travelers

Other29381MO · Ghp

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Guihua Cao M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7517058001

PECOS Enrollment IDI20100608000904

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.

Areas of Expertise CMS Part B claims 12

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

454 services290 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

134 services33 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

91 services77 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

80 services61 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

53 services50 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

53 services45 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

44 services39 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

42 services12 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

28 services20 patients

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.

25 services24 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

18 services11 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

17 services15 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ssm St Joseph Health Center

Acute Care Hospitals · Saint Charles, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260005

Location300 1st Capitol DrSaint Charles, MO 63301 · St. Charles County

Emergency services

Ssm St Clare Health Center

Acute Care Hospitals · Fenton, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260081

Location1015 BowlesFenton, MO 63026 · Jefferson County

Emergency services Birthing friendly

Ssm Health Depaul Hospital St Louis

Acute Care Hospitals · Bridgeton, MO

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number260104

Location12303 Depaul DriveBridgeton, MO 63044 · St. Louis County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63117 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.

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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.

KRISTA HARRY PHARMD

Pharmacist

6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-8341

ANDERSON WEST JR. REGISTERED NURSE

Registered Nurse

6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-8644

VICTORIA CERNETICH MS, RD, LD

Dietitian, Registered

6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-8891

DR. SHOUYING DU M.D

Pathology (Anatomic Pathology & Clinical Pathology)

6420 CLAYTON RD
SAINT LOUIS, MO 63117

St. Louis County (314) 344-7525

AUDREY KATE DOMBROWSKI MS, RD, LD

Dietitian, Registered

6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-8891

MARISA CLEMENTE

Occupational Therapist

6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117

St. Louis County (314) 768-8000

LAUREN VALERIA EVELTI

Student in an Organized Health Care Education/Training Program

6420 CLAYTON RD
SAINT LOUIS, MO 63117

St. Louis County (314) 768-8000

PAMELA HAMPTON CRNA

Nurse Anesthetist, Certified Registered

6420 CLAYTON RD
SAINT LOUIS, MO 63117

St. Louis County (314) 768-8442

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 Guihua Cao's NPI number?

The NPI number for Guihua Cao is 1821071978. It was assigned to this individual provider in the NPPES registry on November 22, 2005.

Where is Guihua Cao located?

Guihua Cao practices at 6420 Clayton Rd, Saint Louis, MO 63117. The listed phone number is (314) 768-8202.

What is Guihua Cao's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Guihua Cao enrolled in Medicare?

Yes. Guihua Cao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Guihua Cao affiliated with any hospitals?

According to CMS data, Guihua Cao is affiliated with Ssm St Joseph Health Center, Ssm St Clare Health Center and Ssm Health Depaul Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Guihua Cao was last updated on October 29, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.