Horng-Chyi Richard Lai, MD
Rheumatology (CMS) · Gillette, WY
At a glance
469 Highway 50, Gillette, WY 82718-9330
NPPES record updated Mar 19, 2025. 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
469 Highway 50Gillette, WY 82718-9330
Additional reported practice locations
1400 29Th St S Ste 220Great Falls, MT 594055315
Phone: 4063504600
Fax: 4067940555 2600 Winne Ave Ste D
Helena, MT 596014900
Phone: 4062066015
Fax: 4063898940 1400 29Th St S Ste 218
Great Falls, MT 594055315
Phone: 4063847002
Fax: 4067940555 100 Brookshire Blvd
Bldg 2 Unit 1
Billings, MT 591026751
Phone: 4067021327
Fax: 4062060105 2600 Winne Ave Ste D1
Helena, MT 596014900
Phone: 4065340004
Fax: 4063917087 100 Brookshire Blvd Bldg 2
Billings, MT 591026751
Phone: 4062720100
Fax: 4062060105
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2007
- CMS specialties
- Rheumatology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Campbell County Health Gillette, WY
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 |
|---|---|
| Services other than consulting | $67,890.00 |
| Consulting fee | $11,407.50 |
| Travel and lodging | $11,241.70 |
| Food and beverage | $4,301.25 |
| Education | $7.96 |
Reporting companies
| Company | Amount |
|---|---|
| AMGEN INC. | $63,258.67 |
| MALLINCKRODT HOSPITAL PRODUCTS INC. | $10,575.50 |
| BOEHRINGER INGELHEIM PHARMACEUTICALS, INC. | $7,186.78 |
| E.R. SQUIBB & SONS, L.L.C. | $6,941.27 |
| ABBVIE INC. | $5,848.20 |
| ASTRAZENECA PHARMACEUTICALS LP | $262.82 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $235.36 |
| UCB, INC. | $165.82 |
| Other reporting companies | $373.99 |
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
- Rheumatology (CMS)
- Taxonomy code
- 207RR0500X
- Enumeration date
- Apr 29, 2010
- Record updated
- Mar 19, 2025
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- HORNG-CHYI RICHARD LAI
- Reported credentials
- MD
Reported taxonomies and licenses
208M00000X
License reported: MED-PHYS-LIC41445 MT
207RR0500X · Primary
License reported: 17828C WY
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
469 Highway 50Gillette, WY 82718-9330
- Phone
- (307) 387-9850
- Fax
- (307) 387-9890
Mailing address
201 W LAKEWAY RD STE 1004GILLETTE, WY 827186349
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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