ANNA GRINKO M.D.
NPI 1275505430
Internal Medicine - Critical Care Medicine in Brooklyn, NY
About Anna Grinko M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNA GRINKO M.D. (NPI 1275505430) is an individual critical care medicine provider in Brooklyn, New York, licensed in New York (206993) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Long Island Jewish Medical Center, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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
Anna Grinko 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
2Medicare enrollment records show Anna Grinko reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11225
- Reassigned Medicare billing, New York enrollment
- 2 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 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 5
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.
Long Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11225 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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 Anna Grinko's NPI number?
The NPI number for Anna Grinko is 1275505430. It was assigned to this individual provider in the NPPES registry on February 2, 2006.
Where is Anna Grinko located?
Anna Grinko practices at 1665 Bedford Ave, Brooklyn, NY 11225. The listed phone number is (718) 756-4000.
What is Anna Grinko's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Anna Grinko enrolled in Medicare?
Yes. Anna Grinko 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 Anna Grinko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Grinko reassigns Medicare benefits to 2 organizations: Proxi Medical PC (Brooklyn, NY) and North Shore - Lij Medical PC (New Hyde Park, 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 Anna Grinko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Anna Grinko affiliated with any hospitals?
According to CMS data, Anna Grinko is affiliated with Long Island Jewish Medical Center.
When was this NPI record last updated?
The NPPES record for Anna Grinko was last updated on October 12, 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.