DR. MARIAN LARKIN MD
NPI 1871679712
Pediatrics in Long Island City, NY
About Dr. Marian Larkin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIAN LARKIN MD (NPI 1871679712) is an individual pediatrics provider in Long Island City, New York, licensed in New York (227331) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Marian Larkin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marian Larkin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11101 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 Marian Larkin's NPI number?
The NPI number for Marian Larkin is 1871679712. It was assigned to this individual provider in the NPPES registry on October 31, 2006.
Where is Marian Larkin located?
Marian Larkin practices at 4209 28th St # Cn-25, Long Island City, NY 11101. The listed phone number is (646) 385-2431.
What is Marian Larkin's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Marian Larkin enrolled in Medicare?
Yes. Marian Larkin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marian Larkin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marian Larkin reassigns Medicare benefits to Montefiore Medical Center (New York, 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 Marian Larkin'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 Marian Larkin was last updated on March 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.