Guihua Cao, M.D.
Anatomic Pathology & Clinical Pathology Physician · Saint Louis, MO
Guihua Cao, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Saint Louis, Missouri, and NPI 1821071978, issued on Nov 22, 2005. Check the license (Missouri 2002021161, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Guihua Cao
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 2002021161 MO
Self-reported in NPPES; status is on the state search - Practice location
- 6420 Clayton RD, Saint Louis, MO 63117
- Phone
- (314) 768-8202
- Enumerated
- Nov 22, 2005
- Record last updated
- Oct 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (314) 768-7145
- Medicaid ID
- 208341313 MO
- Medicare enrollment
- Enrolled (PECOS I20100608000904); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 348 in Missouri → Look up another NPI →
Also registered at 6420 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Guihua Cao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2002021161Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Comprehensive Pathology Services LCFenton, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Guihua Cao among 348 anatomic pathology & clinical pathology physician records in Missouri
Guihua Cao, M.D. is one of 348 anatomic pathology & clinical pathology physician records with a practice address in Missouri. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1984 · median 2004 among the 189 with a school on file
- Record last updated2020 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Missouri
There are 348 anatomic pathology & clinical pathology physician records in Missouri.
All 348 in Missouri → Every provider in Saint Louis → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Alexander Babich, M.D.Saint Louis, MO 631171013990829
- Shouying Du, M.DSaint Louis, MO 631171013113471
- Gloria Merenda, M.D.Saint Louis, MO 631171801879937
- Rajyalakshmi Naidu, MDSaint Louis, MO 631171740400886
- Sumati Rao, M.D.Saint Louis, MO 631171396729257
- Janusz Wolaniuk, M.D.Saint Louis, MO 631171851374904
- Elaine Pritchard, M.D.Saint Louis, MO 631181114242336
- Emmett Bentley, D.O.Saint Louis, MO 631221487725966
Common questions
What is Guihua Cao, M.D.'s NPI number?
Guihua Cao, M.D.'s National Provider Identifier (NPI) is 1821071978, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Guihua Cao, M.D. located?
The NPPES record lists a practice address at 6420 Clayton RD, Saint Louis, MO, 63117. Phone: (314) 768-8202. Providers update this record themselves, so call before visiting.
How can I verify Guihua Cao, M.D.'s license?
NPPES lists Missouri license number 2002021161, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.