MARK CONRAD OTTELIN MD
NPI 1164418216
Urology in Greensboro, NC
About Mark Conrad Ottelin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK CONRAD OTTELIN MD (NPI 1164418216) is an individual urology provider in Greensboro, North Carolina, licensed in North Carolina (35458) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Conrad Ottelin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Ottelin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Greensboro, NC 27403
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Alliance Urology Specialists
- 30 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 27403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
GREENSBORO, NC 27403
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 Mark Ottelin's NPI number?
The NPI number for Mark Ottelin is 1164418216. It was assigned to this individual provider in the NPPES registry on September 23, 2005.
Where is Mark Ottelin located?
Mark Ottelin practices at 509 N Elam Ave Fl 2, Greensboro, NC 27403. The listed phone number is (336) 274-1114.
What is Mark Ottelin's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Mark Ottelin enrolled in Medicare?
Yes. Mark Ottelin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Ottelin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Ottelin reassigns Medicare benefits to Urology Specialists Of The Carolinas PLLC (Greensboro, NC). 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 Mark Ottelin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mark Ottelin was last updated on February 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.