Siming Chen Hummer, M.D.
Psychiatry Physician · Avon, IN
Siming Chen Hummer, M.D. is a psychiatry physician with a practice address in Avon, Indiana, and NPI 1376591255, issued on May 4, 2006. Check the license (Indiana 01049003A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Siming Chen Hummer
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 01049003A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Ronald Reagan Pkwy Ste 1540, Avon, IN 46123
- Phone
- (317) 217-2211
- Enumerated
- May 4, 2006
- Record last updated
- Apr 16, 2026
- Fax
- (317) 217-2559
- Medicaid ID
- 200278100 IN
- Medicare enrollment
- Enrolled (PECOS I20040726001471); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 672 in Indiana → Look up another NPI →
Verify Siming Chen Hummer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01049003ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
60 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Lamotrigine23 claims
- Quetiapine Fumarate22 claims
- Buprenorphine-Naloxone15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Midwest Behavioral Health LLCAvon, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siming Chen Hummer among 672 psychiatry physician records in Indiana
Siming Chen Hummer, M.D. is one of 672 psychiatry physician records with a practice address in Indiana. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 51% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1991 · median 2003 among the 341 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Indiana
There are 672 psychiatry physician records in Indiana.
All 672 in Indiana → Every provider in Avon → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Steven Conant, MDAvon, IN 461231871569772
- Steven Fekete, M.D.Avon, IN 461231164469474
- Gabra Gachaw, MDAvon, IN 461231225041973
- Sue Leuschke, MDAvon, IN 461231407803885
- Stuart Mannon, M.D.Avon, IN 461231114970233
- Michael Nagy, MDAvon, IN 461231043296536
- Deborah Redd, MDAvon, IN 461231386676252
- Ladema Gallagher, M.S.N.Danville, IN 461221912089558
Common questions
What is Siming Chen Hummer, M.D.'s NPI number?
Siming Chen Hummer, M.D.'s National Provider Identifier (NPI) is 1376591255, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Siming Chen Hummer, M.D. located?
The NPPES record lists a practice address at 1111 Ronald Reagan Pkwy Ste 1540, Avon, IN, 46123. Phone: (317) 217-2211. Providers update this record themselves, so call before visiting.
How can I verify Siming Chen Hummer, M.D.'s license?
NPPES lists Indiana license number 01049003A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Siming Chen Hummer, M.D. prescribe under Medicare Part D?
In 2024, Siming Chen Hummer, M.D. had 60 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
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.