Michael Langham Williams, M.D.
Emergency Medicine · Avon, IN
At a glance
1111 N Ronald Reagan Pkwy, Avon, IN 46123-7085
NPPES record updated Aug 17, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1111 N Ronald Reagan PkwyAvon, IN 46123-7085
Additional reported practice locations
2401 S 31St StMs-11-Ag062
Temple, TX 765080001
Phone: 4094546800 200 E Chestnut St
Louisville, KY 402021831
Phone: 5026838000
Fax: 5026296129
Education & affiliations
- Medical / professional school
- University Of Texas Medical School At Houston
- Graduation year
- 2015
- CMS specialties
- Emergency Medicine
Practice groups
Reported hospital affiliations
- Ascension Providence Waco, TX
- Indiana University Health Indianapolis, IN
- Shannon Medical Center San Angelo, TX
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $167.35 |
Reporting companies
| Company | Amount |
|---|---|
| LUNDBECK LLC | $60.62 |
| BAUSCH HEALTH US, LLC | $49.14 |
| ITI, INC. (D/B/A INTRA-CELLULAR THERAPIES, INC.) | $35.09 |
| NEUROCRINE BIOSCIENCES, INC. | $22.50 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Emergency Medicine
- Taxonomy code
- 207P00000X
- Enumeration date
- May 11, 2015
- Record updated
- Aug 17, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207P00000X
License reported: MD61329987 WA
207P00000X · Primary
License reported: 01099277A IN
207P00000X
License reported: C2437 KY
207P00000X
License reported: BP10053763 TX
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1111 N Ronald Reagan PkwyAvon, IN 46123-7085
- Phone
- (317) 217-3000
Mailing address
250 N SHADELAND AVEINDIANAPOLIS, IN 462194959
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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