William Ketterer, DO
NPI 1518615111 · Internal Medicine Physician · Jbsa Lackland, TX
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ketterer, DO is a Internal Medicine Physician provider in Jbsa Lackland, TX (NPI 1518615111).
Provider details
- NPI number
- 1518615111
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 0102208859 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3551 Roger Brooke DrFort Sam Houston, TX 78234-4504Phone: (210) 916-7500
Registry dates
- Enumerated
- 2022-03-13
- Last updated
- 2025-07-23
- Certified
- 2025-07-23
Frequently asked questions
- What is William Ketterer's NPI number?
- William Ketterer's National Provider Identifier (NPI) is 1518615111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ketterer's specialty?
- William Ketterer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Ketterer located?
- William Ketterer's practice location on file with NPPES is 1100 Wilford Hall Loop Bldg 4554, Jbsa Lackland, TX 78236-5638.
- What is William Ketterer's phone number?
- The practice phone number listed in the NPPES registry for William Ketterer is (210) 292-6255.
- Does William Ketterer accept Medicare?
- William Ketterer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ketterer's NPI active?
- Yes — William Ketterer's NPI (1518615111) is active in the NPPES registry as of the last update on 2025-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.