PIETER G STEYN MD
NPI 1639262124
Anesthesiology in Lexington, KY
About Pieter G Steyn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PIETER G STEYN MD (NPI 1639262124) is an individual anesthesiology provider in Lexington, Kentucky, licensed in Kentucky (35582) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Kentucky Hospital, and is a graduate of Other (1979).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Pieter G Steyn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Pieter Steyn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lexington, KY 40517
- Reassigned Medicare billing, Kentucky enrollment
- 1,502 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Kentucky Hospital
Acute Care Hospitals · Lexington, KYMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEXINGTON, KY 40536
LEXINGTON, KY 40536
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Pieter Steyn's NPI number?
The NPI number for Pieter Steyn is 1639262124. It was assigned to this individual provider in the NPPES registry on October 2, 2006.
Where is Pieter Steyn located?
Pieter Steyn practices at 800 Rose St, Lexington, KY 40536. The listed phone number is (859) 323-5956.
What is Pieter Steyn's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Pieter Steyn enrolled in Medicare?
Yes. Pieter Steyn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Pieter Steyn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Pieter Steyn reassigns Medicare benefits to Kentucky Medical Services Foundation, Inc (Lexington, KY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Pieter Steyn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Pieter Steyn accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter of Tennessee list Pieter Steyn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Pieter Steyn affiliated with any hospitals?
According to CMS data, Pieter Steyn is affiliated with University Of Kentucky Hospital.
When was this NPI record last updated?
The NPPES record for Pieter Steyn was last updated on April 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Pieter G Steyn, MD · NPI 1639262124
Anesthesiology physician in Lexington, Kentucky. Individual provider, active in the CMS NPPES registry since October 2, 2006.
## Identity
- **NPI:** 1639262124 (Entity type: Individual)
- **Enumerated:** October 2, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 35582 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 ROSE ST, Lexington, KY 40536-0001
- **Phone:** (859) 323-5956
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kentucky Medical Services Foundation, Inc (NPI 1326091448, Lexington, KY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1979
## Record status
- **NPPES last updated:** April 17, 2008
- **Other identifiers:** Medicare UPIN H31658; Medicare ID-Type Unspecified 0641373; Medicaid 64028087 (KY)
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Source: [NPI Profile](https://npiprofile.com/npi/1639262124) · Data from the CMS NPPES public registry.