DR. MARK ROBERTO ACIERNO PT, DPT, OCS
NPI 1093790024
Physical Medicine & Rehabilitation in Frederick, MD
About Dr. Mark Roberto Acierno Pt, Dpt, Ocs NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK ROBERTO ACIERNO PT, DPT, OCS (NPI 1093790024) is an individual physical medicine & rehabilitation provider in Frederick, Maryland, licensed in Maryland (18941) and active in the NPI registry since December 2005. He is a graduate of Other (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
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. Mark Roberto Acierno Pt, Dpt, Ocs 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 Reassignment
Medicare enrollment records show Mark Acierno reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Frederick, MD 21702
- Reassigned Medicare billing, Maryland enrollment
- 20 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 10
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.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FREDERICK, MD 21702
FREDERICK, MD 21702
FREDERICK, MD 21702
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 Acierno's NPI number?
The NPI number for Mark Acierno is 1093790024. It was assigned to this individual provider in the NPPES registry on December 13, 2005.
Where is Mark Acierno located?
Mark Acierno practices at 84 Thomas Johnson Ct Suite B, Frederick, MD 21702. The listed phone number is (301) 662-8541.
What is Mark Acierno's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Mark Acierno enrolled in Medicare?
Yes. Mark Acierno 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 organization bills Medicare for Mark Acierno's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Acierno reassigns Medicare benefits to Select Physical Therapy Holdings, Inc. (Frederick, MD). The 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 Acierno'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 Acierno was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.