Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Feng Hua Guo, MD
Urology Physician in Derby, CT · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1336594399
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Registry record
Entity type Individual (Type 1)
Name Dr. Feng Hua Guo
Credential MD
Sex Male
Practice address 300 Seymour Ave Ste 202, Derby, CT, 06418
Phone (203) 732-2651
Fax (203) 732-2654
Enumeration date Apr 27, 2016
Last updated in NPPES Sep 26, 2024
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Feng Guo practice?
The practice location on file with NPPES is in Derby, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Feng Guo?
The National Provider Identifier (NPI) for Feng Guo is 1336594399, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-09-26.