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HUAZHANG GUO M.D.
NPI 1245651009
Pathology - Anatomic Pathology & Clinical Pathology in Saint Louis, MO

Active since December 21, 2013PECOS EnrolledAccepts Medicare Assignment
81.57/100
CMS Quality Rating
1402 S GRAND BLVD, SAINT LOUIS, MO 63104(314) 977-4547(314) 977-7615 Get Directions Write a Review

NPPES record last updated: February 5, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 5, 2021, Mar 18, 2016 (2 updates tracked since 2016).

About Huazhang Guo M.d. NPPES

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

HUAZHANG GUO M.D. (NPI 1245651009) is an individual anatomic pathology & clinical pathology provider in Saint Louis, Missouri, licensed in Pennsylvania (MD455020) and active in the NPI registry since December 2013. He is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1245651009
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameHUAZHANG GUOCredential: M.D.
Location Address1402 S GRAND BLVDSaint Louis, MO 63104-1004
Mailing Address1402 S Grand BlvdSaint Louis, MO 63104-1004 · (314) 977-4547 · Fax (314) 977-7615
Phone(314) 977-4547
Fax(314) 977-7615
Sole ProprietorYes
Medical School CMSOtherGraduated 1996
Enumeration DateDecember 21, 2013
Last NPPES UpdateFebruary 5, 20212 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2021
✔ NPI 1245651009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses✔ Licensed in PA · MD455020✔ Licensed in IL · 036151939✔ Licensed in MO · 2017014363
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.
1402 S GRAND BLVD, Saint Louis, MO 63104
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Oscar Insurance Company.Insurance ›

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

Huazhang Guo 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 ID2264740398
PECOS Enrollment IDI20170616001292, I20200401002321
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 10

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.
450 services243 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.
64 services19 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.
57 services54 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.
42 services40 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.
37 services32 patients
Pathology examination of tissue using a microscope, limited examination 88300
A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.
33 services24 patients

Hospital Affiliations CMS Care Compare 3

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

Alton Memorial Hospital

Acute Care Hospitals · Alton, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140002
LocationOne Memorial DriveAlton, IL 62002 · Madison County
Emergency services Birthing friendly

Osf Saint Anthony's Health Center

Acute Care Hospitals · Alton, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140052
LocationSt Anthony's WayAlton, IL 62002 · Madison County

Jersey Community Hospital

Acute Care Hospitals · Jerseyville, IL
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number140059
Location400 Maple Summit RoadJerseyville, IL 62052 · Jersey County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63104 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.

81.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.09
Promoting Interoperability100
Improvement Activities40
Cost54.28

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.

HALA YAMOUT M.D.
Student in an Organized Health Care Education/Training Program
1402 S GRAND BLVD, M260
SAINT LOUIS, MO 63104
St. Louis City (314) 977-9853
VICTORIA M WITTGEN
Student in an Organized Health Care Education/Training Program
1402 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 977-9870
ADAM BALES D.O.
Anesthesiology
1402 S GRAND BLVD, M260
SAINT LOUIS, MO 63104
St. Louis City (314) 977-9853
ALLISON NICOLE PODSEDNIK GARDNER MD
Student in an Organized Health Care Education/Training Program
1402 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 617-3811
DR. KATHERINE JASKOWIAK ROBBINS MD
Pathology (Anatomic Pathology & Clinical Pathology)
1402 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 977-4547
DR. VIVIAN MAI HATHUC D.O.
Pathology (Anatomic Pathology & Clinical Pathology)
1402 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 977-4547
TERRY J BUJNAK JR. DO
Orthopaedic Surgery
1402 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 617-3375
MS. FRANCESCA VACCA
Student in an Organized Health Care Education/Training Program
1402 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 577-8694

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 Huazhang Guo's NPI number?

The NPI number for Huazhang Guo is 1245651009. It was assigned to this individual provider in the NPPES registry on December 21, 2013.

Where is Huazhang Guo located?

Huazhang Guo practices at 1402 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 977-4547.

What is Huazhang Guo's specialty?

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

Is Huazhang Guo enrolled in Medicare?

Yes. Huazhang Guo 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.

What insurance does Huazhang Guo accept?

Health plans from Anthem Blue Cross and Blue Shield and Oscar Insurance Company list Huazhang Guo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Huazhang Guo affiliated with any hospitals?

According to CMS data, Huazhang Guo is affiliated with Alton Memorial Hospital, Osf Saint Anthony's Health Center and Jersey Community Hospital.

When was this NPI record last updated?

The NPPES record for Huazhang Guo was last updated on February 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.