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SIMING CHEN HUMMER M.D.
NPI 1376591255
Psychiatry & Neurology - Psychiatry in Avon, IN

Active since May 04, 2006PECOS EnrolledAccepts Medicare Assignment
1111 RONALD REAGAN PKWY STE 1540, AVON, IN 46123(317) 217-2211(317) 217-2559 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Siming Chen Hummer M.d. NPPES

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

SIMING CHEN HUMMER M.D. (NPI 1376591255) is an individual psychiatry provider in Avon, Indiana, licensed in Indiana (01049003A) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1376591255
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameSIMING CHEN HUMMERCredential: M.D.
Location Address1111 RONALD REAGAN PKWY STE 1540Avon, IN 46123-7085
Mailing Address1111 Ronald Reagan Pkwy Ste 1540Avon, IN 46123-7085 · (317) 217-2211 · Fax (317) 217-2559
Phone(317) 217-2211
Fax(317) 217-2559
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateMay 4, 2006
Last NPPES UpdateApril 16, 2026
NPPES CertifiedApril 16, 2026
✔ NPI 1376591255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in IN · 01049003A
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1111 RONALD REAGAN PKWY STE 1540, Avon, IN 46123
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Other Identifiers 1

Medicaid200278100IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, UnitedHealthcare.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

Siming Chen Hummer 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 ID9537139886
PECOS Enrollment IDI20040726001471
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46123 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
$161.76 typical visit price
range $53.07 – $161.76
Typical copayment $40.44 (range $13.26 – $40.44)
Most-billed visit code 99205
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Siming Hummer's NPI number?

The NPI number for Siming Hummer is 1376591255. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Siming Hummer located?

Siming Hummer practices at 1111 Ronald Reagan Pkwy Ste 1540, Avon, IN 46123. The listed phone number is (317) 217-2211.

What is Siming Hummer's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Siming Hummer enrolled in Medicare?

Yes. Siming Hummer 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 Siming Hummer accept?

Health plans from CareSource and UnitedHealthcare list Siming Hummer 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.

When was this NPI record last updated?

The NPPES record for Siming Hummer was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.