MARK D CHILTON M.D.
NPI 1689644072
Specialist in Frederick, MD
About Mark D Chilton M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK D CHILTON M.D. (NPI 1689644072) is an individual specialist in Frederick, Maryland, licensed in Maryland (D33237) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark D Chilton M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mark Chilton reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Frederick, MD 21702
- Reassigned Medicare billing, Maryland enrollment
- 453 clinicians in this Medicare group
Frederick, MD 21702
- Reassigned Medicare billing, Maryland enrollment
- 19 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.
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.
FREDERICK, MD 21702
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 Chilton's NPI number?
The NPI number for Mark Chilton is 1689644072. It was assigned to this individual provider in the NPPES registry on January 26, 2006.
Where is Mark Chilton located?
Mark Chilton practices at 86 Thomas Johnson Ct, Frederick, MD 21702. The listed phone number is (301) 694-8311.
What is Mark Chilton's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Mark Chilton enrolled in Medicare?
Yes. Mark Chilton is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Chilton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Chilton reassigns Medicare benefits to 2 organizations: Centers For Advanced Orthopaedics, LLC (Frederick, MD) and Nisenfeld & Chilton, M.D., P.A. (Frederick, MD). 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 Chilton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mark Chilton was last updated on June 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.