MARC THERRIEN
NPI 1023443975
Nurse Anesthetist, Certified Registered in Syracuse, NY
About Marc Therrien NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARC THERRIEN (NPI 1023443975) is an individual nurse anesthetist, certified registered in Syracuse, New York, licensed in New York (568620) and active in the NPI registry since September 2013. He is affiliated with Oswego Hospital and is a graduate of Albany Medical College Of Union University (2013).
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 and accepts Medicare assignment
Marc Therrien 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
4Medicare enrollment records show Marc Therrien reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Syracuse, NY 13215
- Reassigned Medicare billing, New York enrollment
- 116 clinicians in this Medicare group
Liverpool, NY 13088
- Reassigned Medicare billing, New York enrollment
- 50 clinicians in this Medicare group
Oswego, NY 13126
- Reassigned Medicare billing, New York enrollment
- 122 clinicians in this Medicare group
Saranac Lake, NY 12983
- Reassigned Medicare billing, New York enrollment
- 248 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Oswego Hospital
Acute Care Hospitals · Oswego, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 13209 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Marc Therrien's NPI number?
The NPI number for Marc Therrien is 1023443975. It was assigned to this individual provider in the NPPES registry on September 11, 2013.
Where is Marc Therrien located?
Marc Therrien practices at 102 Russet Ln, Syracuse, NY 13209. The listed phone number is (315) 263-0526.
What is Marc Therrien's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Marc Therrien enrolled in Medicare?
Yes. Marc Therrien 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 Marc Therrien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Therrien reassigns Medicare benefits to 4 organizations: Chag Anesthesia PC (Syracuse, NY), Gastroenterology & Hepatology Of Central New York, PC (Liverpool, NY), Oswego Hospital (Oswego, NY) and Premier Anesthesia Of New York, P.C. (Saranac Lake, NY). 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 Marc Therrien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marc Therrien affiliated with any hospitals?
According to CMS data, Marc Therrien is affiliated with Oswego Hospital.
When was this NPI record last updated?
The NPPES record for Marc Therrien was last updated on June 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Marc Therrien · NPI 1023443975
Nurse Anesthetist, Certified Registered physician in Syracuse, New York. Individual provider, active in the CMS NPPES registry since September 11, 2013.
## Identity
- **NPI:** 1023443975 (Entity type: Individual)
- **Enumerated:** September 11, 2013
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 568620 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 102 RUSSET LN, Syracuse, NY 13209-2010
- **Phone:** (315) 263-0526
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Chag Anesthesia PC (NPI 1740279017, Syracuse, NY); Gastroenterology & Hepatology Of Central New York, PC (NPI 1043202641, Liverpool, NY); Oswego Hospital (NPI 1255639043, Oswego, NY); Premier Anesthesia Of New York, P.C. (NPI 1063658961, Saranac Lake, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 2013
## Record status
- **NPPES last updated:** June 24, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1023443975) · Data from the CMS NPPES public registry.