DR. DEMETRI J MERIANOS MD
NPI 1902953854
Surgery - Pediatric Surgery in New York, NY
About Dr. Demetri J Merianos Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DEMETRI J MERIANOS MD (NPI 1902953854) is an individual pediatric surgery provider in New York, New York, licensed in New York (271264) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Brooklyn, and is a graduate of Rutgers New Jersey Medical School (2004).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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. Demetri J Merianos 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
4Medicare enrollment records show Demetri Merianos reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
Bronx, NY 10451
- Reassigned Medicare billing, New York enrollment
- 971 clinicians in this Medicare group
Flushing, NY 11355
- Reassigned Medicare billing, New York enrollment
- 645 clinicians in this Medicare group
New Brunswick, NJ 08901
- Reassigned Medicare billing, New Jersey enrollment
- 259 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.
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.
NEW YORK, NY 10065
NEW YORK, NY 10065
NEW YORK, NY 10065
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 Demetri Merianos's NPI number?
The NPI number for Demetri Merianos is 1902953854. It was assigned to this individual provider in the NPPES registry on January 4, 2007.
Where is Demetri Merianos located?
Demetri Merianos practices at 525 E 68th St, New York, NY 10065. The listed phone number is (215) 738-0423.
What is Demetri Merianos's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.
Is Demetri Merianos enrolled in Medicare?
Yes. Demetri Merianos 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 Demetri Merianos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Demetri Merianos reassigns Medicare benefits to 4 organizations: Physician Affiliate Group Of New York PC (New York, NY), Downtown Bronx Medical Associates PC (Bronx, NY), New York Queens Medicine And Surgery, P.C. (Flushing, NY) and Rutgers Health-Rwj Neurosurgery Faculty (New Brunswick, NJ). 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 Demetri Merianos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Demetri Merianos accept?
Health plans from Oscar Health list Demetri Merianos as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Demetri Merianos was last updated on April 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Demetri J Merianos, MD · NPI 1902953854
Pediatric Surgery physician in New York, New York. Individual provider, active in the CMS NPPES registry since January 4, 2007.
## Identity
- **NPI:** 1902953854 (Entity type: Individual)
- **Enumerated:** January 4, 2007
- **Primary specialty:** Surgery - Pediatric Surgery · taxonomy 2086S0120X
- **State license:** 271264 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 525 E 68TH ST, New York, NY 10065-4870
- **Phone:** (215) 738-0423
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY); Downtown Bronx Medical Associates PC (NPI 1689618407, Bronx, NY); New York Queens Medicine And Surgery, P.C. (NPI 1740792233, Flushing, NY); Rutgers Health-Rwj Neurosurgery Faculty (NPI 1710012604, New Brunswick, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 2004
## Record status
- **NPPES last updated:** April 19, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1902953854) · Data from the CMS NPPES public registry.