Karl Vance Sitz, M.D.
Specialty details in registry · Little Rock, AR
At a glance
18 Corporate Hill Drive, Little Rock, AR 72205-4565
NPPES record updated Jul 8, 2007. 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
18 Corporate Hill Drive Suite 110Little Rock, AR 72205-4565
Education & affiliations
No matching clinician background record in the imported CMS release.
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.
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 | $850.89 |
| Travel and lodging | $844.95 |
| Consulting fee | $19.00 |
Reporting companies
| Company | Amount |
|---|---|
| NOVARTIS PHARMACEUTICALS CORPORATION | $1,473.08 |
| GRIFOLS USA, LLC | $92.68 |
| GENENTECH USA, INC. | $70.62 |
| REGENERON HEALTHCARE SOLUTIONS, INC. | $38.05 |
| ASTRAZENECA PHARMACEUTICALS LP | $21.41 |
| ADMA BIOMANUFACTURING LLC | $19.00 |
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
- Specialty details in registry
- Taxonomy code
- 207RA0201X
- Enumeration date
- Aug 16, 2005
- Record updated
- Jul 8, 2007
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RA0201X · Primary
License reported: C7148 AR
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
18 Corporate Hill DriveSuite 110
Little Rock, AR 72205-4565
- Phone
- (501) 224-1156
- Fax
- (501) 801-5561
Mailing address
18 CORPORATE HILL DRSUITE 110
LITTLE ROCK, AR 722054565
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue