MARK ROBERT THIEL
NPI 1902145048
Anesthesiologist Assistant in Atlanta, GA
About Mark Robert Thiel NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK ROBERT THIEL (NPI 1902145048) is an individual anesthesiologist assistant in Atlanta, Georgia, licensed in Georgia (6963) and active in the NPI registry since February 2013. He is affiliated with Piedmont Hospital, maintains a secondary practice location in Grayson, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Mark Robert Thiel 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 Reassignments
4Medicare enrollment records show Mark Thiel reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Atlanta, GA 30309
- Reassigned Medicare billing, Georgia enrollment
- 441 clinicians in this Medicare group
Brookhaven, GA 30329
- Reassigned Medicare billing, Georgia enrollment
- 322 clinicians in this Medicare group
Stone Mountain, GA 30087
- Reassigned Medicare billing, Georgia enrollment
- 650 clinicians in this Medicare group
Stockbridge, GA 30281
- Reassigned Medicare billing, Georgia enrollment
- 713 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Piedmont Hospital
Acute Care Hospitals · Atlanta, GAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ATLANTA, GA 30309
ATLANTA, GA 30309
ATLANTA, GA 30309
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 Thiel's NPI number?
The NPI number for Mark Thiel is 1902145048. It was assigned to this individual provider in the NPPES registry on February 9, 2013.
Where is Mark Thiel located?
Mark Thiel practices at 1968 Peachtree Rd NW, Atlanta, GA 30309. The listed phone number is (678) 216-0771.
What is Mark Thiel's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Mark Thiel enrolled in Medicare?
Yes. Mark Thiel 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 organizations bill Medicare for Mark Thiel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Thiel reassigns Medicare benefits to 4 organizations: Piedmont Anesthesia Associates, L.L.C (Atlanta, GA), Emory Physical Therapy, LLC (Brookhaven, GA), American Anesthesiology Associates Of Georgia, LLC (Stone Mountain, GA) and Piedmont Anesthesia LLC (Stockbridge, GA). Each 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 Thiel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Thiel affiliated with any hospitals?
According to CMS data, Mark Thiel is affiliated with Piedmont Hospital.
When was this NPI record last updated?
The NPPES record for Mark Thiel was last updated on May 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mark Robert Thiel · NPI 1902145048
Anesthesiologist Assistant physician in Atlanta, Georgia. Individual provider, active in the CMS NPPES registry since February 9, 2013.
## Identity
- **NPI:** 1902145048 (Entity type: Individual)
- **Enumerated:** February 9, 2013
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 6963 (Georgia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1968 PEACHTREE RD NW, Atlanta, GA 30309-1281
- **Phone:** (678) 216-0771
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Piedmont Anesthesia Associates, L.L.C (NPI 1407856594, Atlanta, GA); Emory Physical Therapy, LLC (NPI 1720097561, Brookhaven, GA); American Anesthesiology Associates Of Georgia, LLC (NPI 1528068673, Stone Mountain, GA); Piedmont Anesthesia LLC (NPI 1700474244, Stockbridge, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** May 30, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1902145048) · Data from the CMS NPPES public registry.