William C Summers, MD
Internal Medicine · Saint Louis, MO
At a glance
3915 Watson Rd Ste 202, Saint Louis, MO 63109-1251
Published activity: Skin biopsy. View counts and coverage
NPPES record updated Sep 29, 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
3915 Watson Rd Ste 202Saint Louis, MO 63109-1251
Additional reported practice locations
6188 Mackenzie Valley CtSaint Louis, MO 631233477
Phone: 3146869714
Fax: 8884641108
Education & affiliations
- Medical / professional school
- University Of Alabama School Of Medicine
- Graduation year
- 1999
- CMS specialties
- Infectious Disease · Internal Medicine
Practice groups
Reported hospital affiliations
- Barnes Jewish Hospital Saint Louis, MO
- Barnes-Jewish West County Hospital Creve Coeur, MO
- Mercy Hospital South Saint Louis, MO
- Mercy Hospital St Louis Saint Louis, MO
- Missouri Baptist Medical Center Saint Louis, 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.
| Procedure category | Published Medicare activity |
|---|---|
| Skin biopsy | 1-10 |
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 | $11,736.00 |
| Travel and lodging | $3,343.46 |
| Food and beverage | $1,208.22 |
| Education | $38.54 |
Reporting companies
| Company | Amount |
|---|---|
| GILEAD SCIENCES, INC. | $15,459.57 |
| VIIV HEALTHCARE COMPANY | $198.97 |
| ABBVIE INC. | $135.27 |
| ASTRAZENECA PHARMACEUTICALS LP | $129.68 |
| ASTELLAS PHARMA US INC | $95.86 |
| NOVO NORDISK INC | $82.51 |
| LUNDBECK LLC | $53.31 |
| ANTARES PHARMA, INC. | $33.14 |
| Other reporting companies | $137.91 |
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
- Jun 4, 2006
- Record updated
- Sep 29, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207R00000X · Primary
License reported: 2007010580 MO
207RI0200X
License reported: 2007010580 MO
207RI0200X
License reported: 39419 TN
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
3915 Watson Rd Ste 202Saint Louis, MO 63109-1251
- Phone
- (314) 244-3818
- Fax
- (888) 464-1108
Mailing address
3915 WATSON RD STE 202SAINT LOUIS, MO 631091251
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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