DR. ROBERT ALLAN MESTER MD
NPI 1366604415
Anesthesiology in Charleston, SC

Active since June 30, 2008PECOS EnrolledAccepts Medicare Assignment
171 ASHLEY AVE, CHARLESTON, SC 29425(843) 792-1414 Get Directions Write a Review

NPPES record last updated: June 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 17, 2025, Jan 6, 2025, Jun 16, 2024 and 1 more (4 updates tracked since 2016).

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

NPI1366604415
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. ROBERT ALLAN MESTERCredential: MD
Location Address171 ASHLEY AVECharleston, SC 29425-8908
Mailing AddressPo Box 751461Charlotte, NC 28275-1461 · (843) 792-6200
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJune 30, 2008
Last NPPES UpdateJune 17, 20254 updates tracked since enumeration
NPPES CertifiedJune 17, 2025
✔ NPI 1366604415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in SC · 40139✔ Licensed in NC · 2025-01084
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 40139 (SC)
171 ASHLEY AVE, Charleston, SC 29425

Secondary Practice Location 1

Location 11671 Belle Isle Ave Ste 110JMount Pleasant, SC 29464-8336 · Phone (844) 944-6633 · Fax (470) 300-7913

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.

PECOS PAC ID3274794227
PECOS Enrollment IDI20161215001413, I20250701003453
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

7

Medicare 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.

Obstetrics & Gynecology
171 ASHLEY AVE
Charleston, SC 29425
  • Reassigned Medicare billing, South Carolina enrollment
  • 2,594 clinicians in this Medicare group
Family Medicine
1671 BELLE ISLE AVE STE 110J
Mount Pleasant, SC 29464
  • Reassigned Medicare billing, South Carolina enrollment
  • 8 clinicians in this Medicare group
Internal Medicine
506 NORTH ST
Bamberg, SC 29003
  • Reassigned Medicare billing, South Carolina enrollment
  • 2,389 clinicians in this Medicare group
Anesthesiology
8800 N TRYON ST
Charlotte, NC 28262
  • Reassigned Medicare billing, North Carolina enrollment
  • 1,212 clinicians in this Medicare group
Pain Medicine
89 HOSPITAL DR STE C
Brevard, NC 28712
  • Reassigned Medicare billing, North Carolina enrollment
  • Medicare enrollment name: Mission Health Community Multispecialty Providers LLC
  • 824 clinicians in this Medicare group
General Practice
2011 COMMERCE DR N STE 25
Peachtree City, GA 30269
  • Reassigned Medicare billing, Georgia enrollment
  • 11 clinicians in this Medicare group
Anesthesiology
80 NEWNAN STATION DR, SUITE A
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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
102 services100 patients
Anesthesia for procedure on eyelid 00103
Anesthesia for an eyelid procedure helps ensure comfort and painlessness during the operation. It's typically a local anesthetic, applied to numb your eyelid and surrounding area. You'll likely be awake but won't feel any discomfort. It's a safe, routine part of many eye procedures.
31 services31 patients
Anesthesia for other procedure on eye 00140
Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.
26 services25 patients
Anesthesia for other procedure on neck area (1 year or older) 00320
Anesthesia for a procedure on the neck area is a medical service provided to ensure you remain comfortable and pain-free during the operation. It involves administering medication to numb the neck region or to induce sleep. The method chosen depends on the specific procedure and your overall health.
12 services12 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
11 services11 patients

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, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420004
Location169 Ashley AveCharleston, SC 29425 · Charleston County
Emergency services Birthing friendly

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.

Allergy & Immunology
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Anesthetist, Certified Registered
171 ASHLEY AVE
CHARLESTON, SC 29425
Pathology (Anatomic Pathology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Ophthalmology
171 ASHLEY AVE
CHARLESTON, SC 29425
Social Worker
171 ASHLEY AVE
CHARLESTON, SC 29425
Radiology (Pediatric Radiology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Practitioner
171 ASHLEY AVE
CHARLESTON, SC 29425
Ophthalmology
171 ASHLEY AVE
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.