Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Siming Chen Hummer, M.D.
Psychiatry Physician in Avon, IN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1376591255
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Registry record
Entity type Individual (Type 1)
Name Siming Chen Hummer
Credential M.D.
Sex Female
Practice address 1111 Ronald Reagan Pkwy Ste 1540, Avon, IN, 46123
Phone (317) 217-2211
Fax (317) 217-2559
Enumeration date May 4, 2006
Last updated in NPPES Apr 16, 2026
Taxonomy & licenses
2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 01049003A (IN) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 200278100 | Medicaid | IN | - |
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 Siming Hummer practice?
The practice location on file with NPPES is in Avon, IN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Siming Hummer?
The National Provider Identifier (NPI) for Siming Hummer is 1376591255, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-16.