DR. CHARLES OSBORNE DUNCAN II DO
NPI 1033413547
Internal Medicine in Dayton, OH
About Dr. Charles Osborne Duncan Ii Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLES OSBORNE DUNCAN II DO (NPI 1033413547) is an individual internal medicine provider in Dayton, Ohio, licensed in North Carolina (36197) and active in the NPI registry since December 2010. He is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and is a graduate of University Of Pikeville, Kentucky College Of Osteopathic Med (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. Charles Osborne Duncan Ii Do 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
3Medicare enrollment records show Charles Duncan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bamberg, SC 29003
- Reassigned Medicare billing, South Carolina enrollment
- 2,389 clinicians in this Medicare group
Murrells Inlet, SC 29576
- Reassigned Medicare billing, South Carolina enrollment
- 249 clinicians in this Medicare group
Georgetown, SC 29440
- Reassigned Medicare billing, South Carolina enrollment
- 261 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Musc Medical Center
Acute Care Hospitals · Charleston, SCTidelands Georgetown Memorial Hospital
Acute Care Hospitals · Georgetown, SCTidelands Waccamaw Community Hospital
Acute Care Hospitals · Murrells Inlet, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
DAYTON, OH 45405
DAYTON, OH 45405
DAYTON, OH 45405
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 Charles Duncan's NPI number?
The NPI number for Charles Duncan is 1033413547. It was assigned to this individual provider in the NPPES registry on December 28, 2010.
Where is Charles Duncan located?
Charles Duncan practices at 405 W Grand Ave C/O Medical Education, Dayton, OH 45405. The listed phone number is (937) 723-3248.
What is Charles Duncan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Charles Duncan enrolled in Medicare?
Yes. Charles Duncan 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 Charles Duncan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Duncan reassigns Medicare benefits to 3 organizations: Musc Community Physicians (Bamberg, SC), Waccamaw Community Hospital (Murrells Inlet, SC) and Georgetown Memorial Hospital (Georgetown, SC). 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 Charles Duncan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Duncan accept?
Health plans from First Choice Next and UnitedHealthcare list Charles Duncan 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 Charles Duncan affiliated with any hospitals?
According to CMS data, Charles Duncan is affiliated with Musc Medical Center, Tidelands Georgetown Memorial Hospital and Tidelands Waccamaw Community Hospital.
When was this NPI record last updated?
The NPPES record for Charles Duncan was last updated on March 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Charles Osborne Duncan II, DO · NPI 1033413547
Internal Medicine physician in Dayton, Ohio. Individual provider, active in the CMS NPPES registry since December 28, 2010.
## Identity
- **NPI:** 1033413547 (Entity type: Individual)
- **Enumerated:** December 28, 2010
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 36197 (North Carolina)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 405 W GRAND AVE, C/O MEDICAL EDUCATION, Dayton, OH 45405-4720
- **Phone:** (937) 723-3248
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Musc Community Physicians (NPI 1841878006, Bamberg, SC); Waccamaw Community Hospital (NPI 1972503910, Murrells Inlet, SC); Georgetown Memorial Hospital (NPI 1982604021, Georgetown, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pikeville, Kentucky College Of Osteopathic Med, class of 2010
## Record status
- **NPPES last updated:** March 30, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1033413547) · Data from the CMS NPPES public registry.