STEFAN NATHAN CHOCK MD
NPI 1811966062
Surgery in Las Vegas, NV
About Stefan Nathan Chock Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEFAN NATHAN CHOCK MD (NPI 1811966062) is an individual surgery provider in Las Vegas, Nevada, licensed in Nevada (11562) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Sunrise Hospital And Medical Center, and is a graduate of University Of Maryland School Of Medicine (1999).
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
Stefan Nathan Chock 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 Stefan Chock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Las Vegas, NV 89169
- Reassigned Medicare billing, Nevada enrollment
- 7 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sunrise Hospital And Medical Center
Acute Care Hospitals · Las Vegas, NVMountainview Hospital
Acute Care Hospitals · Las Vegas, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89169 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAS VEGAS, NV 89169
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 Stefan Chock's NPI number?
The NPI number for Stefan Chock is 1811966062. It was assigned to this individual provider in the NPPES registry on March 17, 2006.
Where is Stefan Chock located?
Stefan Chock practices at 3131 La Canada St Ste 217, Las Vegas, NV 89169. The listed phone number is (702) 369-7152.
What is Stefan Chock's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Stefan Chock enrolled in Medicare?
Yes. Stefan Chock 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 Stefan Chock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stefan Chock reassigns Medicare benefits to Desert Surgical Associates Fisher PLLC (Las Vegas, NV). 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 Stefan Chock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stefan Chock accept?
Health plans from Ambetter from Arizona Complete Health list Stefan Chock 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 Stefan Chock affiliated with any hospitals?
According to CMS data, Stefan Chock is affiliated with Sunrise Hospital And Medical Center and Mountainview Hospital.
When was this NPI record last updated?
The NPPES record for Stefan Chock was last updated on April 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Stefan Nathan Chock, MD · NPI 1811966062
Surgery physician in Las Vegas, Nevada. Individual provider, active in the CMS NPPES registry since March 17, 2006.
## Identity
- **NPI:** 1811966062 (Entity type: Individual)
- **Enumerated:** March 17, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 11562 (Nevada)
- **Sole proprietor:** No
## Practice location
- **Address:** 3131 LA CANADA ST STE 217, Las Vegas, NV 89169-2579
- **Phone:** (702) 369-7152 · **Fax:** (702) 369-7153
## 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:** Desert Surgical Associates Fisher PLLC (NPI 1487982534, Las Vegas, NV), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** April 10, 2020
- **Other identifiers:** Medicaid 975089 (AZ); Medicaid XPY205017 (CA); Medicaid 100507449 (NV)
---
Source: [NPI Profile](https://npiprofile.com/npi/1811966062) · Data from the CMS NPPES public registry.