Ernesto Jose Negron, M.D.
Hospitalist · Internal Medicine (CMS) · Saint Louis, MO
At a glance
3015 N Ballas Rd, Saint Louis, MO 63131-2329
NPPES record updated Sep 12, 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
3015 N Ballas RdSaint Louis, MO 63131-2329
Additional reported practice locations
615 S New Ballas RdSaint Louis, MO 631418221
Phone: 3142516339
Fax: 3142514564 5325 Faraon St
Saint Joseph, MO 645063488
Phone: 8162716406
Fax: 8162717986
Education & affiliations
- Medical / professional school
- Ponce School Of Medicine
- Graduation year
- 2006
- CMS specialties
- Hospitalist · Internal Medicine
Practice groups
Reported hospital affiliations
- Amberwell Atchison Association Atchison, KS
- Mosaic Life Care At St Joseph Saint Joseph, MO
- Mosaic Medical Center - Maryville Maryville, MO
- Mosaic Medical Center Albany Albany, MO
- Saint Lukes North Hospital Kansas City, MO
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 | $34.57 |
Reporting companies
| Company | Amount |
|---|---|
| VERTEX PHARMACEUTICALS INCORPORATED | $34.57 |
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
- Hospitalist · Internal Medicine (CMS)
- Taxonomy code
- 208M00000X
- Enumeration date
- Jan 8, 2008
- Record updated
- Sep 12, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: 245542 MA
207R00000X
License reported: 2013005305 MO
208M00000X · Primary
License reported: 2013005305 MO
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
3015 N Ballas RdSaint Louis, MO 63131-2329
- Phone
- (314) 996-5772
- Fax
- (314) 996-7691
Mailing address
3015 N BALLAS RDSAINT LOUIS, MO 631312329
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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