PETER A KECHEJIAN MD.
NPI 1326047291
Anesthesiology in Smithtown, NY
About Peter A Kechejian Md. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER A KECHEJIAN MD. (NPI 1326047291) is an individual anesthesiology provider in Smithtown, New York, licensed in New York (197100) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Nassau University Medical Center, and is a graduate of Georgetown University School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses 5
Other Identifiers 4
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
Peter A Kechejian 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 Reassignments
6Medicare enrollment records show Peter Kechejian reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- 48 clinicians in this Medicare group
East Setauket, NY 11733
- Reassigned Medicare billing, New York enrollment
- 20 clinicians in this Medicare group
Massapequa, NY 11758
- Reassigned Medicare billing, New York enrollment
- 223 clinicians in this Medicare group
East Meadow, NY 11554
- Reassigned Medicare billing, New York enrollment
- 553 clinicians in this Medicare group
East Meadow, NY 11554
- Reassigned Medicare billing, New York enrollment
- 141 clinicians in this Medicare group
New Hyde Park, NY 11042
- 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.
Areas of Expertise CMS Part B claims 9
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.
Nassau University Medical Center
Acute Care Hospitals · East Meadow, NYMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
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 Peter Kechejian's NPI number?
The NPI number for Peter Kechejian is 1326047291. It was assigned to this individual provider in the NPPES registry on July 21, 2005.
Where is Peter Kechejian located?
Peter Kechejian practices at 994 West Jericho Turnpike Ste. 104, Smithtown, NY 11787. The listed phone number is (631) 543-1440.
What is Peter Kechejian's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Peter Kechejian enrolled in Medicare?
Yes. Peter Kechejian 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 Peter Kechejian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Kechejian reassigns Medicare benefits to 6 organizations: Timothy D. Groth MD PC (Smithtown, NY), Northeast Endoscopy LLC (East Setauket, NY), Gastrointestinal Care Of Long Island PLLC (Massapequa, NY), Nassau Health Care Corporation (East Meadow, NY), Upstate Anesthesia Services, P.C. (East Meadow, NY) and 1 more organization, listed in the Medicare section above. 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 Peter Kechejian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Peter Kechejian affiliated with any hospitals?
According to CMS data, Peter Kechejian is affiliated with Nassau University Medical Center.
When was this NPI record last updated?
The NPPES record for Peter Kechejian was last updated on March 26, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.