DR. MARK SETHNA D.O.
NPI 1144251729
Family Medicine in Hicksville, NY
About Dr. Mark Sethna D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK SETHNA D.O. (NPI 1144251729) is an individual family medicine provider in Hicksville, New York, licensed in New York (239997) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2003).
NPPES Registry Identity
Specialties & Licenses 3
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 Sethna D.o. 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 Sethna reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bronx, NY 10457
- Reassigned Medicare billing, New York enrollment
- 43 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Sethna's NPI number?
The NPI number for Mark Sethna is 1144251729. It was assigned to this individual provider in the NPPES registry on July 5, 2006.
Where is Mark Sethna located?
Mark Sethna practices at 60 Spruce St, Hicksville, NY 11801. The listed phone number is (516) 433-6277.
What is Mark Sethna's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mark Sethna enrolled in Medicare?
Yes. Mark Sethna 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 Sethna's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Sethna reassigns Medicare benefits to The Floating Hospital Inc. (Bronx, NY). 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 Sethna'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 Sethna was last updated on March 20, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Mark Sethna, D.O. · NPI 1144251729
Family Medicine physician in Hicksville, New York. Individual provider, active in the CMS NPPES registry since July 5, 2006.
## Identity
- **NPI:** 1144251729 (Entity type: Individual)
- **Enumerated:** July 5, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 239997 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 60 SPRUCE ST, Hicksville, NY 11801-3233
- **Phone:** (516) 433-6277
## 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:** The Floating Hospital Inc. (NPI 1932512605, Bronx, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2003
## Record status
- **NPPES last updated:** March 20, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1144251729) · Data from the CMS NPPES public registry.