Ryan J. Williams, MD
Internal Medicine · Nampa, ID
At a glance
900 N Happy Valley Rd, Nampa, ID 83687-8596
NPPES record updated May 16, 2023. 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
900 N Happy Valley RdNampa, ID 83687-8596
Additional reported practice locations
210 Cleveland BlvdCaldwell, ID 836053622
Phone: 2084591522 711 N Curtis Rd
Boise, ID 837061445
Phone: 2086053000 331 E Park St
Weiser, ID 836722053
Phone: 2085492416 2867 E Copper Point Dr
Meridian, ID 836421716
Phone: 2084019100 660 S 2Nd W
Rexburg, ID 834402300
Phone: 2083560220 2656 E Magic View Dr
Meridian, ID 836426243
Phone: 2089962801 8211 W Ustick Rd
Boise, ID 837045756
Phone: 2083753700 909 E Reserve St
Boise, ID 837126508
Phone: 2083437717 6000 W Denton St
Boise, ID 837049310
Phone: 2086294383 2814 S Indiana Ave
Caldwell, ID 836055925
Phone: 2084590808 620 N 6Th St
Bellevue, ID 833135174
Phone: 2087887180
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2006
- CMS specialties
- Internal Medicine
Practice groups
Reported hospital affiliations
- Saint Alphonsus Regional Medical Center Boise, ID
- St Luke's Regional Medical Center Boise, ID
- St Luke's Wood River Medical Center Ketchum, ID
- Weiser Memorial Hospital Weiser, ID
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 | $155.58 |
Reporting companies
| Company | Amount |
|---|---|
| MEDTRONIC, INC. | $155.58 |
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
- Internal Medicine
- Taxonomy code
- 207R00000X
- Enumeration date
- Feb 26, 2007
- Record updated
- May 16, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207R00000X
License reported: M-10968 ID
208M00000X
License reported: M10968 ID
207R00000X · Primary
License reported: M10968 ID
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
900 N Happy Valley RdNampa, ID 83687-8596
- Phone
- (208) 401-9639
Mailing address
3340 EAST GOLDSTONE WAYMERIDIAN, ID 836421026
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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