DR. CARLOS C MARRERO PRATS M.D.
NPI 1063708568
Anesthesiology - Pain Medicine in Smithtown, NY
About Dr. Carlos C Marrero Prats M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CARLOS C MARRERO PRATS M.D. (NPI 1063708568) is an individual pain medicine provider in Smithtown, New York, licensed in New York (325866) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 3
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. Carlos C Marrero Prats M.d. 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
3Medicare enrollment records show Carlos Marrero Prats reassigns Medicare billing to 3 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
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 69 clinicians in this Medicare group
Hollywood, FL 33021
- Reassigned Medicare billing, Florida enrollment
- 34 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 24
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.
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.
SMITHTOWN, NY 11787
SMITHTOWN, NY 11787
SMITHTOWN, NY 11787
SMITHTOWN, NY 11787
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 Carlos Marrero Prats's NPI number?
The NPI number for Carlos Marrero Prats is 1063708568. It was assigned to this individual provider in the NPPES registry on June 22, 2011.
Where is Carlos Marrero Prats located?
Carlos Marrero Prats practices at 994 W Jericho Tpke Ste 104, Smithtown, NY 11787. The listed phone number is (631) 543-1440.
What is Carlos Marrero Prats's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is Carlos Marrero Prats enrolled in Medicare?
Yes. Carlos Marrero Prats 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 Carlos Marrero Prats's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Marrero Prats reassigns Medicare benefits to 3 organizations: Timothy D. Groth MD PC (Smithtown, NY), Advanced Pain Management Specialists, LLC (Annapolis, MD) and South Broward Hospital District (Hollywood, FL). 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 Carlos Marrero Prats's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carlos Marrero Prats accept?
Health plans from Oscar Health list Carlos Marrero Prats 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 Carlos Marrero Prats was last updated on March 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.