DR. ROBERT ALLAN MESTER MD
NPI 1366604415
Anesthesiology in Charleston, SC
About Dr. Robert Allan Mester Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT ALLAN MESTER MD (NPI 1366604415) is an individual anesthesiology provider in Charleston, South Carolina, licensed in South Carolina (40139) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and maintains a secondary practice location in Mount Pleasant.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Robert Allan Mester 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 Reassignments
7Medicare enrollment records show Robert Mester reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Charleston, SC 29425
- Reassigned Medicare billing, South Carolina enrollment
- 2,594 clinicians in this Medicare group
Mount Pleasant, SC 29464
- Reassigned Medicare billing, South Carolina enrollment
- 8 clinicians in this Medicare group
Bamberg, SC 29003
- Reassigned Medicare billing, South Carolina enrollment
- 2,389 clinicians in this Medicare group
Charlotte, NC 28262
- Reassigned Medicare billing, North Carolina enrollment
- 1,212 clinicians in this Medicare group
Brevard, NC 28712
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Mission Health Community Multispecialty Providers LLC
- 824 clinicians in this Medicare group
Peachtree City, GA 30269
- Reassigned Medicare billing, Georgia enrollment
- 11 clinicians in this Medicare group
Newnan, GA 30265
- Reassigned Medicare billing, Georgia enrollment
- 729 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Musc Medical Center
Acute Care Hospitals · Charleston, SCOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHARLESTON, SC 29425
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 Robert Mester's NPI number?
The NPI number for Robert Mester is 1366604415. It was assigned to this individual provider in the NPPES registry on June 30, 2008.
Where is Robert Mester located?
Robert Mester practices at 171 Ashley Ave, Charleston, SC 29425. The listed phone number is (843) 792-1414.
What is Robert Mester's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Robert Mester enrolled in Medicare?
Yes. Robert Mester 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 Robert Mester's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Mester reassigns Medicare benefits to 7 organizations: University Medical Associates Of The Medical University Of South Carol (Charleston, SC), Gomed Charleston LLC (Mount Pleasant, SC), Musc Community Physicians (Bamberg, SC), Chs Anesthesia Services Group Inc (Charlotte, NC), Mission Community Anesthesiology Specialists LLC (Brevard, NC) and 2 more organizations, listed in the Medicare section above. 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 Robert Mester's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Mester accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Cigna Healthcare and Molina Healthcare and 2 other insurers list Robert Mester 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 Robert Mester affiliated with any hospitals?
According to CMS data, Robert Mester is affiliated with Musc Medical Center.
When was this NPI record last updated?
The NPPES record for Robert Mester was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.