EUGENE J MCTIERNAN MD
NPI 1912911835
Pediatrics in Warrensburg, NY
About Eugene J Mctiernan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EUGENE J MCTIERNAN MD (NPI 1912911835) is an individual pediatrics provider in Warrensburg, New York, licensed in New York (192063) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Gansevoort, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1986).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Eugene J Mctiernan Md 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 Eugene Mctiernan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Warrensburg, NY 12885
- Reassigned Medicare billing, New York enrollment
- 197 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12885 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Eugene Mctiernan's NPI number?
The NPI number for Eugene Mctiernan is 1912911835. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is Eugene Mctiernan located?
Eugene Mctiernan practices at 3767 Main St, Warrensburg, NY 12885. The listed phone number is (518) 623-2844.
What is Eugene Mctiernan's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Eugene Mctiernan enrolled in Medicare?
Yes. Eugene Mctiernan 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 Eugene Mctiernan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eugene Mctiernan reassigns Medicare benefits to Hudson Headwaters Health Network (Warrensburg, 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 Eugene Mctiernan'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 Eugene Mctiernan was last updated on March 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.