DR. MICHAEL STEPHEN MAROTTA M.D.
NPI 1265743363
Anesthesiology in Charleston, SC
About Dr. Michael Stephen Marotta M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL STEPHEN MAROTTA M.D. (NPI 1265743363) is an individual anesthesiology provider in Charleston, South Carolina, licensed in South Carolina (40555) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and is a graduate of Icahn School Of Medicine At Mount Sinai (2010).
NPPES Registry Identity
Specialties & Licenses 2
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. Michael Stephen Marotta M.d. 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
2Medicare enrollment records show Michael Marotta reassigns Medicare billing to 2 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
Chappaqua, NY 10514
- Reassigned Medicare billing, New York enrollment
- 1,406 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ns/Lij Hs Southside Hospital
Acute Care Hospitals · Bay Shore, NYMusc 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 Michael Marotta's NPI number?
The NPI number for Michael Marotta is 1265743363. It was assigned to this individual provider in the NPPES registry on June 23, 2010.
Where is Michael Marotta located?
Michael Marotta practices at 171 Ashley Ave, Charleston, SC 29425. The listed phone number is (843) 792-1414.
What is Michael Marotta's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Michael Marotta enrolled in Medicare?
Yes. Michael Marotta 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 Michael Marotta's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Marotta reassigns Medicare benefits to 2 organizations: University Medical Associates Of The Medical University Of South Carol (Charleston, SC) and North Shore - Lij Anesthesiology, PC (Chappaqua, NY). 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 Michael Marotta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Marotta accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care and Ambetter of North Carolina list Michael Marotta 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 Michael Marotta affiliated with any hospitals?
According to CMS data, Michael Marotta is affiliated with Ns/Lij Hs Southside Hospital and Musc Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Marotta was last updated on March 7, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Michael Stephen Marotta, M.D. · NPI 1265743363
Anesthesiology physician in Charleston, South Carolina. Individual provider, active in the CMS NPPES registry since June 23, 2010.
## Identity
- **NPI:** 1265743363 (Entity type: Individual)
- **Enumerated:** June 23, 2010
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 40555 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 171 ASHLEY AVE, Charleston, SC 29425-8908
- **Phone:** (843) 792-1414
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Medical Associates Of The Medical University Of South Carol (NPI 1013934629, Charleston, SC); North Shore - Lij Anesthesiology, PC (NPI 1417401266, Chappaqua, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2010
## Record status
- **NPPES last updated:** March 7, 2017
---
Source: [NPI Profile](https://npiprofile.com/npi/1265743363) · Data from the CMS NPPES public registry.